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#requires -Version 3
function Get-CSDisassembly
{
<#
.SYNOPSIS
Disassembles a byte array using the Capstone Engine disassembly framework.
PowerSploit Function: Get-CSDisassembly
Author: Matthew Graeber (@mattifestation)
License: See LICENSE.TXT
Required Dependencies: lib\capstone.dll, lib\libcapstone.dll (64-bit)
Optional Dependencies: None
.PARAMETER Architecture
Specifies the architecture of the code to be disassembled.
.PARAMETER Mode
Specifies the mode in which to disassemble code. For example, to disassemble Amd64 code, architecture is set to 'X86' and Mode is set to 'MODE_64'.
.PARAMETER Code
A byte array consisting of the code to be disassembled.
.PARAMETER Offset
Specifies the starting address of the disassembly listing.
.PARAMETER Count
Specifies the maximum number of instructions to disassemble.
.PARAMETER Syntax
Specifies the syntax flavor to be used (INTEL vs. ATT).
.PARAMETER DetailOff
Specifies that detailed parsing should not be performed - i.e. do not perform additional analysis beyond disassembling.
.EXAMPLE
C:\PS>$Bytes = [Byte[]] @( 0x8d, 0x4c, 0x32, 0x08, 0x01, 0xd8, 0x81, 0xc6, 0x34, 0x12, 0x00, 0x00 )
C:\PS>Get-CSDisassembly -Architecture X86 -Mode MODE_16 -Code $Bytes -Offset 0x1000
.EXAMPLE
C:\PS>$Bytes = [Byte[]] @( 0x8d, 0x4c, 0x32, 0x08, 0x01, 0xd8, 0x81, 0xc6, 0x34, 0x12, 0x00, 0x00 )
C:\PS>Get-CSDisassembly -Architecture X86 -Mode MODE_32 -Code $Bytes -Syntax ATT
.INPUTS
None
You cannot pipe objects to Get-CSDisassembly.
.OUTPUTS
Capstone.Instruction[]
Get-CSDisassembly returns an array of Instruction objects.
.NOTES
Get-CSDisassembly must be run from 64-bit PowerShell v3.
#>
[OutputType([Capstone.Instruction])]
[CmdletBinding()] Param (
[Parameter(Mandatory)]
[Capstone.ARCH]
$Architecture,
[Parameter(Mandatory)]
[Capstone.MODE]
$Mode,
[Parameter(Mandatory)]
[ValidateNotNullOrEmpty()]
[Byte[]]
$Code,
[UInt64]
$Offset = 0,
[UInt32]
$Count = 0,
[ValidateSet('Intel', 'ATT')]
[String]
$Syntax,
[Switch]
$DetailOff
)
$Disassembly = New-Object Capstone.Capstone($Architecture, $Mode)
if ($Syntax)
{
switch ($Syntax)
{
'Intel' { $SyntaxMode = [Capstone.OPT_VALUE]::SYNTAX_INTEL }
'ATT' { $SyntaxMode = [Capstone.OPT_VALUE]::SYNTAX_ATT }
}
$Disassembly.SetSyntax($SyntaxMode)
}
if ($DetailOff)
{
$Disassembly.SetDetail($False)
}
$Disassembly.Disassemble($Code, $Offset, $Count)
}
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