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videmul.cpp
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#include <windows.h>
/*
* Çàãðóç÷èê PE
*/
//#define WIN32_NO_STATUS
#include <windows.h>
//#undef WIN32_NO_STATUS
#include <stdio.h>
typedef ULONG NTSTATUS;
ULONG (WINAPI *RtlNtStatusToDosError)(NTSTATUS);
//#pragma warning(disable:4005)
//#include <ntstatus.h>
// Ôèêñàïû
typedef struct
{
WORD Offset:12;
WORD Type:4;
} IMAGE_FIXUP_ENTRY, *PIMAGE_FIXUP_ENTRY;
// Áûñòðî ïîëó÷àåì õèäåðû
inline void GetHeaders(PCHAR ibase, PIMAGE_FILE_HEADER *pfh, PIMAGE_OPTIONAL_HEADER *poh, PIMAGE_SECTION_HEADER *psh)
{
PIMAGE_DOS_HEADER mzhead = (PIMAGE_DOS_HEADER)ibase;
*pfh = (PIMAGE_FILE_HEADER)&ibase[mzhead->e_lfanew];
*pfh = (PIMAGE_FILE_HEADER)((PBYTE)*pfh + sizeof(IMAGE_NT_SIGNATURE));
*poh = (PIMAGE_OPTIONAL_HEADER)((PBYTE)*pfh + sizeof(IMAGE_FILE_HEADER));
*psh = (PIMAGE_SECTION_HEADER)((PBYTE)*poh + sizeof(IMAGE_OPTIONAL_HEADER));
}
// Ñìåùåíèå + Áàçà = Âèðòóàëüíûé Àäðåñ
#define RVATOVA( base, offset )(((DWORD)(base) + (DWORD)(offset)))
typedef struct _UNICODE_STRING {
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
} UNICODE_STRING, *PUNICODE_STRING;
extern "C" {
VOID
WINAPI
RtlInitUnicodeString(
IN PUNICODE_STRING UnicodeString,
IN PWSTR Buffer
);
VOID
WINAPI
RtlEnterCriticalSection(
IN PVOID Section
);
VOID
WINAPI
RtlLeaveCriticalSection(
IN PVOID Section
);
}
typedef struct _LDR_MODULE {
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
PVOID BaseAddress;
PVOID EntryPoint;
ULONG SizeOfImage;
UNICODE_STRING FullDllName;
UNICODE_STRING BaseDllName;
ULONG Flags;
SHORT LoadCount;
SHORT TlsIndex;
LIST_ENTRY HashTableEntry;
ULONG TimeDateStamp;
} LDR_MODULE, *PLDR_MODULE;
typedef struct _PEB_LDR_DATA {
ULONG Length;
BOOLEAN Initialized;
PVOID SsHandle;
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
} PEB_LDR_DATA, *PPEB_LDR_DATA;
// Process Envorinment Block
typedef struct _PEB {
DWORD smth[2]; // doesn't matter
PVOID ImageBaseAddress;
PPEB_LDR_DATA Ldr;
PVOID ProcessParameters;
PVOID SubSystemData;
PVOID ProcessHeap;
PVOID FastPebLock;
PVOID FastPebLockRoutine;
PVOID FastPebUnlockRoutine;
ULONG EnvironmentUpdateCount;
PVOID KernelCallbackTable;
PVOID EventLogSection;
PVOID EventLog;
PVOID FreeList;
ULONG TlsExpansionCounter;
PVOID TlsBitmap;
ULONG TlsBitmapBits[0x2];
PVOID ReadOnlySharedMemoryBase;
PVOID ReadOnlySharedMemoryHeap;
PVOID ReadOnlyStaticServerData;
PVOID AnsiCodePageData;
PVOID OemCodePageData;
PVOID UnicodeCaseTableData;
ULONG NumberOfProcessors;
ULONG NtGlobalFlag;
BYTE Spare2[0x4];
LARGE_INTEGER CriticalSectionTimeout;
ULONG HeapSegmentReserve;
ULONG HeapSegmentCommit;
ULONG HeapDeCommitTotalFreeThreshold;
ULONG HeapDeCommitFreeBlockThreshold;
ULONG NumberOfHeaps;
ULONG MaximumNumberOfHeaps;
PVOID **ProcessHeaps;
PVOID GdiSharedHandleTable;
PVOID ProcessStarterHelper;
PVOID GdiDCAttributeList;
PVOID LoaderLock;
ULONG OSMajorVersion;
ULONG OSMinorVersion;
ULONG OSBuildNumber;
ULONG OSPlatformId;
ULONG ImageSubSystem;
ULONG ImageSubSystemMajorVersion;
ULONG ImageSubSystemMinorVersion;
ULONG GdiHandleBuffer[0x22];
ULONG PostProcessInitRoutine;
ULONG TlsExpansionBitmap;
BYTE TlsExpansionBitmapBits[0x80];
ULONG SessionId;
} PEB, *PPEB;
// Thread Environment Block
typedef struct _TEB {
DWORD smth[12]; // doesn't matter
PPEB Peb;
} TEB, *PTEB;
// ïîëó÷àåì òåêóùèé PEB
PPEB GetPEB( )
{
TEB* teb;
__asm
{
mov eax, dword ptr fs:[18h]
mov teb, eax
}
return teb->Peb;
}
bool
LdrpReadSections (
IN void* base,
IN HANDLE hFile
)
/*
×èòàåì ñåêöèè èç ôàéëà è ãðóçèì èõ ïî ñîîòâåòñòâóþùèì âèðòóàëüíûì àäðåñàì
*/
{
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
DWORD read;
GetHeaders((PCHAR) base, &pfh, &poh, &psh);
for( int i=0; i < pfh->NumberOfSections ; i++, psh++ )
{
DWORD VirtualSize = (i==pfh->NumberOfSections-1)?
(poh->SizeOfImage-psh->VirtualAddress)
:(psh+1)->VirtualAddress - psh->VirtualAddress;
LPVOID va = (LPVOID)( (DWORD)base + psh->VirtualAddress );
OVERLAPPED lp = {0};
printf(" %-14s %08x %08x %08x %08x\n",
psh->Name,
psh->VirtualAddress,
VirtualSize,
psh->PointerToRawData,
psh->SizeOfRawData
);
lp.Offset = psh->PointerToRawData;
// âûäåëÿåì ïàìÿòü ïîä ñåêöèþ
LPVOID m = VirtualAlloc( va, VirtualSize, MEM_COMMIT, PAGE_READWRITE );
if( (DWORD)m != ((DWORD)va & 0xfffff000) )
{
printf("ERROR while committing memory %d\n", GetLastError());
return false;
}
// ÷èòàåì ñåêöèþ
if( !ReadFile( hFile, va, psh->SizeOfRawData, &read, &lp ) || read!=psh->SizeOfRawData )
{
printf("Cannot read section [%d]\n", GetLastError());
return false;
}
}
return true;
}
bool
LdrpApplyFixups (
IN void* base,
IN DWORD ImageBaseDelta
)
/*
Ïðèìåíèòü ôèêñàïû ê îáðàçó
*/
{
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
GetHeaders((PCHAR) base, &pfh, &poh, &psh);
// òðåáóåòñÿ êîððåêòèðîâêà?
if( ImageBaseDelta )
{
printf("\nApplying fixups, ImageBaseDelta = %08x\n", ImageBaseDelta);
if( !poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress )
{
// íåò ôèêñàïîâ
printf("No fixups present looking to the nonzero image base delta\n");
return false;
}
PIMAGE_BASE_RELOCATION Reloc = (PIMAGE_BASE_RELOCATION) RVATOVA(poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress, base);
int i = 0;
_repeat:
// ïðîõîäèì ïî ôèêñàïàì
for( PIMAGE_FIXUP_ENTRY Fixup = (PIMAGE_FIXUP_ENTRY)( (DWORD)Reloc + sizeof(IMAGE_BASE_RELOCATION) );
(DWORD)Fixup < (DWORD)Reloc + Reloc->SizeOfBlock;
Fixup ++, i ++
)
{
if (Fixup->Type == 0)
continue;
if( Fixup->Type == IMAGE_REL_BASED_HIGHLOW )
{
// àäðåñ èíñòðóêöèè äëÿ ïàò÷à
DWORD* Patch = (DWORD*)RVATOVA( Reloc->VirtualAddress + Fixup->Offset, base );
// printf("Fixup #%d: Type = %d, Offset %08x [%08x -> %08x]\n",
// i,
// Fixup->Type,
// RVATOVA( Reloc->VirtualAddress + Fixup->Offset, base ),
// *Patch,
// *Patch+ImageBaseDelta
// );
// ïàò÷
*Patch += ImageBaseDelta;
}
// äðóãèå òèïû ôèêñàïîâ íå îáðàáàòûâàåì
else
{
printf("Incorrect fixup type %d\n", Fixup->Type);
return false;
}
}
//if( *(WORD*)((DWORD)Reloc + Reloc->SizeOfBlock) != 0 )
if ( ((ULONG)Reloc - RVATOVA(poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress, base)) <
poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].Size )
{
Reloc = (PIMAGE_BASE_RELOCATION)((DWORD)Reloc + Reloc->SizeOfBlock);
goto _repeat;
}
}
return true;
}
bool
LdrpProcessImport (
IN void* base
)
/*
Îáðàáîòêà äèðåêòîðèè èìïîðòà
*/
{
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
GetHeaders((PCHAR) base, &pfh, &poh, &psh);
// Ïåðâûé äåñêðèïòîð èìïîðòà
PIMAGE_IMPORT_DESCRIPTOR impdesc = (PIMAGE_IMPORT_DESCRIPTOR) RVATOVA(poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress, base);
printf(" DLL Name TimeDateStamp Import\n");
for( ; impdesc->Name ; impdesc++ )
{
// Ïîëó÷àåì èìÿ DLL
char* dllname = (LPTSTR) RVATOVA(impdesc->Name, base);
printf("%-15s %08x ", dllname, impdesc->TimeDateStamp);
HINSTANCE hDll = NULL;
if (!stricmp(dllname, "win32k.sys"))
{
hDll = GetModuleHandle(0);
}
if( !hDll )
{
// íå âûøëî...
printf("Error loading '%s'. Application initialization failed\n");
return false;
}
// îòêóäà áðàòü ôóíêöèè - èç FirstThunk èëè èç OriginalFirstThunk
DWORD RvaOfThunks = impdesc->FirstThunk;
// Èìïîðò çàáèíäåí?
if( impdesc->TimeDateStamp == -1 )
{
// Äà, ÷åêàåì íà âàëèäíîñòü òóïîé hgkgjhgkhkjhkhãíøãíøíãðîâåðêîé ïåðâîé ôóíêöèè
DWORD *Func;
// ãðóçèì ïåðâóþ ôóíêöè.
PIMAGE_THUNK_DATA OriginalThunk = (PIMAGE_THUNK_DATA)RVATOVA(impdesc->OriginalFirstThunk, base);
PIMAGE_THUNK_DATA Thunk = (PIMAGE_THUNK_DATA)RVATOVA(impdesc->FirstThunk, base);
if( OriginalThunk->u1.Ordinal & 0xf0000000 )
{
OriginalThunk->u1.Ordinal &= 0xffff;
*(FARPROC*)&Func = GetProcAddress( hDll, (char*) OriginalThunk->u1.Ordinal );
}
else
{
PIMAGE_IMPORT_BY_NAME Name = (PIMAGE_IMPORT_BY_NAME) RVATOVA(OriginalThunk->u1.AddressOfData, base);
*(FARPROC*)&Func = GetProcAddress( hDll, (char*) Name->Name );
}
if (!*(FARPROC*)&Func)
__asm int 3;
// ñðàâíèâàåì
if( Thunk->u1.Function == (ULONG_PTR)Func )
{
printf("CORRECT\n");
continue;
}
// àäðåñà íå ñîâïàäàþò, ïðîáèíäåííûé èìïîðò íàäî ïåðåñòðîèòü
else
{
printf("FAILED [needs rebuilding]\n");
RvaOfThunks = impdesc->OriginalFirstThunk; // äëÿ ðåáèíäèíãà áðàòü ôóíêöèè èç OriginalFirstThunk
}
}
else
printf("NOT BOUND\n");
// Îáðàáàòûâàåì thunk'è
for( PIMAGE_THUNK_DATA Thunk = (PIMAGE_THUNK_DATA)RVATOVA(RvaOfThunks, base); Thunk->u1.Ordinal ; Thunk++ )
{
// Ôóíêöèÿ çàäàíà îðäèíàòîé?
if( Thunk->u1.Ordinal & 0xf0000000 )
{
Thunk->u1.Ordinal &= 0xffff;
printf("Ordinal: %04x, ", Thunk->u1.Ordinal);
Thunk->u1.Function = (DWORD_PTR) GetProcAddress( hDll, (char*) Thunk->u1.Ordinal );
if( !Thunk->u1.Function )
{
printf("Can't find address for this function\n");
return false;
}
printf("got address %08x\n", Thunk->u1.Function);
}
// ôóíêöèÿ çàäàíà ïî èìåíè
else
{
PIMAGE_IMPORT_BY_NAME Name = (PIMAGE_IMPORT_BY_NAME) RVATOVA(Thunk->u1.AddressOfData, base);
printf("%03d(0x%04x) \t %-20s ", Name->Hint, Name->Hint, Name->Name );
Thunk->u1.Function = (DWORD_PTR) GetProcAddress( hDll, (char*) Name->Name );
printf("= %08x\n", Thunk->u1.Function);
}
if (!Thunk->u1.Function)
__asm int 3;
// íå âàæíî îòêóäà ÷èòàëè, çàïèñûâàåì âñå ðàâíî â FirstThunk
PIMAGE_THUNK_DATA ThunkToWrite;
ThunkToWrite = (PIMAGE_THUNK_DATA)(
(DWORD)RVATOVA(impdesc->FirstThunk, base) + ((DWORD)Thunk - (DWORD)RVATOVA(RvaOfThunks, base))
);
ThunkToWrite->u1.Function = Thunk->u1.Function;
}
}
return true;
}
bool
LdrpProtectSections (
IN void* base
)
/*
Âûñòàâèòü àòðèáóòû ñåêöèé ñîäåðæàùèì èõ ñòðàíèöàì
*/
{
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
GetHeaders((PCHAR) base, &pfh, &poh, &psh);
psh = (PIMAGE_SECTION_HEADER)( (DWORD)poh + sizeof(IMAGE_OPTIONAL_HEADER) );
for( int i=0; i < pfh->NumberOfSections ; i++, psh++ )
{
DWORD VirtualSize = (i==pfh->NumberOfSections-1)?
(poh->SizeOfImage-psh->VirtualAddress)
:(psh+1)->VirtualAddress - psh->VirtualAddress;
LPVOID va = (LPVOID)( (DWORD)base + psh->VirtualAddress );
// ñ÷èòàåì àòðèáóòû
DWORD Attributes = PAGE_READWRITE;
if( psh->Characteristics & IMAGE_SCN_MEM_EXECUTE || psh->Characteristics & IMAGE_SCN_MEM_READ )
{
if( psh->Characteristics & IMAGE_SCN_MEM_WRITE )
Attributes = PAGE_READWRITE;
else
Attributes = PAGE_READONLY;
}
else if( psh->Characteristics & IMAGE_SCN_MEM_WRITE )
Attributes = PAGE_READWRITE;
MEMORY_BASIC_INFORMATION mbi = {0};
if( VirtualQuery( va, &mbi, sizeof(mbi) ) && mbi.Protect == PAGE_READWRITE )
continue;
// ñòàâèì àòðèáóòû
if( !VirtualProtect( va, VirtualSize, Attributes, &Attributes ) )
{
printf("Cannot protect section [%d]\n", GetLastError());
return false;
}
}
return true;
}
typedef struct MODULE32
{
char ModuleName[256];
PVOID ImageBase;
ULONG ImageSize;
} *PMODULE32;
MODULE32 LoadedModules[128];
ULONG LoadedModCount = 0;
HMODULE
LdrLoadExecutable (
IN LPSTR path,
IN PVOID base = 0
)
/*
Çàãðóæàåò îáðàç ñ ïóòè path ïî àäðåñó base.
Åñëè base=0, èñïîëüçóåòñÿ ïîëå IMAGE_OPTIONAL_HEADER.ImageBase
*/
{
HANDLE hFile;
PIMAGE_FILE_HEADER pfh;
PIMAGE_SECTION_HEADER psh;
PIMAGE_OPTIONAL_HEADER poh;
char buffer[ 0x1000 ] = {0};
DWORD read;
LPBYTE Mapping;
//
// Îòêðûâàåì ôàéë îáðàçà
//
printf("Opening file '%s'\n", path);
hFile = CreateFile( path, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0 );
if( hFile == INVALID_HANDLE_VALUE )
return NULL;
//
// ×èòàåì õèäåðû
//
printf("Reading header\n");
if( !ReadFile( hFile, buffer, 1024, &read, 0 ) || !read )
{
CloseHandle( hFile );
return NULL;
}
/*PIMAGE_DOS_HEADER dos = (PIMAGE_DOS_HEADER) buffer;
pfh = (PIMAGE_FILE_HEADER)( (DWORD)buffer + dos->e_lfanew + 4 );
poh = (PIMAGE_OPTIONAL_HEADER)( pfh+1 );
psh = (PIMAGE_SECTION_HEADER)( (DWORD)poh + sizeof(IMAGE_OPTIONAL_HEADER) );*/
GetHeaders( buffer, &pfh, &poh, &psh );
if( *(WORD*)buffer != 'ZM' )
{
// SetLastError(RtlNtStatusToDosError(STATUS_INVALID_IMAGE_NOT_MZ));
CloseHandle( hFile );
return NULL;
}
//
// Ðåçåðâèðóåì ïðîñòðàíñòâî ïîä îáðàç
//
if( !base )
base = (PVOID) poh->ImageBase;
printf("Reserving pages[ OriginalBase = %08x, Base = %08x, Size = %08x ]\n", poh->ImageBase, base, poh->SizeOfImage);
UnmapViewOfFile( (PVOID)poh->ImageBase );
VirtualFree( (PVOID)poh->ImageBase, poh->SizeOfImage, MEM_DECOMMIT );
VirtualFree( (PVOID)poh->ImageBase, poh->SizeOfImage, MEM_RELEASE );
_repeat:
Mapping = (LPBYTE) VirtualAlloc( base, poh->SizeOfImage, MEM_RESERVE, PAGE_NOACCESS );
if( !Mapping )
{
printf("alloc failed at %x\n", base);
*(ULONG*)&base += 0x10000000;
goto _repeat;
CloseHandle( hFile );
return NULL;
}
//
// Êîïèðóåì õèäåðû
//
Mapping = (LPBYTE) VirtualAlloc( base, 0x1000, MEM_COMMIT, PAGE_READWRITE );
if( !Mapping )
{
CloseHandle( hFile );
return NULL;
}
memcpy( Mapping, buffer, read );
base = Mapping;
//
// ×èòàåì ñåêöèè èç ôàéëà è ãðóçèì èõ ïî ñîîòâåòñòâóþùèì âèðòóàëüíûì àäðåñàì
//
printf("\nReading sections\n");
printf("%-15s %-15s %-15s %-15s %-15s\n", "Section", "VirtAddress", "VirtSize", "RawData", "SizeOfRawData" );
if( !LdrpReadSections( base, hFile ) )
{
VirtualFree( base, poh->SizeOfImage, MEM_DECOMMIT );
VirtualFree( base, poh->SizeOfImage, MEM_RELEASE );
CloseHandle( hFile );
return NULL;
}
//
// Êîððåêòèðóåì ôèêñàïû
//
DWORD ImageBaseDelta = (DWORD)base - (DWORD)poh->ImageBase;
printf("Relocating from %X delta %X, new base %X\n", poh->ImageBase, ImageBaseDelta, base);
if( !LdrpApplyFixups( base, ImageBaseDelta ) )
{
VirtualFree( base, poh->SizeOfImage, MEM_DECOMMIT );
VirtualFree( base, poh->SizeOfImage, MEM_RELEASE );
CloseHandle( hFile );
return NULL;
}
//
// Îáðàáàòûâàåì òàáëèöó èìïîðòà
//
printf("\nProcessing import\n");
if( !LdrpProcessImport( base ) )
{
VirtualFree( base, poh->SizeOfImage, MEM_DECOMMIT );
VirtualFree( base, poh->SizeOfImage, MEM_RELEASE );
CloseHandle( hFile );
return NULL;
}
//
// Âûñòàâëÿåì àòðèáóòû ñåêöèé
//
printf("\nProtecting sections\n");
if( !LdrpProtectSections( base ) )
{
VirtualFree( base, poh->SizeOfImage, MEM_DECOMMIT );
VirtualFree( base, poh->SizeOfImage, MEM_RELEASE );
CloseHandle( hFile );
return NULL;
}
//
// Âñå óäà÷íî, çàêðûâàåì ôàéë è âîçâðàùàåì áàçó
//
// Âàæíî! Ôàéë íå ãîòîâ ê çàïóñêó. ×òîáû çàïóñòèòü ýòîò îáðàç
// íóæíî åùå ñêîððåêòèðîâàòü ïîëå PEB.ImageBaseAddress â PEB,
// èíà÷å íå áóäóò ðàáîòàòü ôóíêöèè Win32 äëÿ ðàáîòû ñ ðåñóðñàìè.
//
CloseHandle( hFile );
printf("Executable loaded successfully\n");
strcpy (LoadedModules [LoadedModCount].ModuleName, path);
LoadedModules[LoadedModCount].ImageBase = Mapping;
LoadedModules[LoadedModCount++].ImageSize = poh->SizeOfImage;
return (HMODULE) Mapping;
}
void
LdrpAddModuleToModuleList (
IN void* base,
IN LIST_ENTRY* List
)
{
/*
LIST_ENTRY * Last = List->Blink;
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
GetHeaders((PCHAR) base, &pfh, &poh, &psh);
LDR_MODULE * NewEntry = (LDR_MODULE *) HeapAlloc( GetProcessHeap( ), HEAP_ZERO_MEMORY, sizeof( LDR_MODULE ) );
NewEntry->InInitializationOrderModuleList.Flink =
NewEntry->InMemoryOrderModuleList.Flink =
NewEntry->InLoadOrderModuleList.Flink = Last->Flink;
NewEntry->InInitializationOrderModuleList.Flink->Blink =
NewEntry->InMemoryOrderModuleList.Flink->Blink =
NewEntry->InLoadOrderModuleList.Flink->Blink = (LIST_ENTRY*) NewEntry;
NewEntry->InInitializationOrderModuleList.Blink =
NewEntry->InMemoryOrderModuleList.Blink =
NewEntry->InLoadOrderModuleList.Blink = Last;
Last->Flink = (LIST_ENTRY*) NewEntry;
NewEntry->BaseAddress = base;
NewEntry->LoadCount = 1;
NewEntry->EntryPoint = (PVOID)RVATOVA(poh->AddressOfEntryPoint, base);
NewEntry->SizeOfImage = poh->SizeOfImage;
RtlInitUnicodeString( &NewEntry->BaseDllName, L"testdll.dll" );
RtlInitUnicodeString( &NewEntry->FullDllName, L"D:\\Progs\\fixup\\testdll.dll" );
NewEntry->TimeDateStamp = pfh->TimeDateStamp;
*/
}
void
LdrpFixPeb (
IN void* base
)
/*
Ïîäãîòîâèòü PEB ïðîöåññà ê çàïóñêó
*/
{
// Ôèêñèì PEB.ImageBaseAddress
PPEB peb = GetPEB( );
// peb->ImageBaseAddress = base;
// Äîáàâëÿåì ìîäóëü â PEB.Ldr.In...OrderModuleList
/*RtlEnterCriticalSection( peb->LoaderLock );
LdrpAddModuleToModuleList( base, &peb->Ldr->InLoadOrderModuleList );
LdrpAddModuleToModuleList( base, &peb->Ldr->InInitializationOrderModuleList );
LdrpAddModuleToModuleList( base, &peb->Ldr->InMemoryOrderModuleList );
RtlLeaveCriticalSection( peb->LoaderLock );
*/
__asm nop;
}
typedef struct _DRVFN /* drvfn */
{
ULONG iFunc;
PVOID pfn;
} DRVFN, *PDRVFN;
typedef struct tagDRVENABLEDATA
{
ULONG iDriverVersion;
ULONG c;
DRVFN *pdrvfn;
} DRVENABLEDATA, *PDRVENABLEDATA;
PMODULE32 LdrLookupModByPointer (PVOID Pointer)
{
for (ULONG i=0; i<LoadedModCount; i++)
{
if ( (ULONG)Pointer >= (ULONG)LoadedModules[i].ImageBase &&
(ULONG)Pointer < (ULONG)LoadedModules[i].ImageBase + LoadedModules[i].ImageSize )
{
return &LoadedModules[i];
}
}
return NULL;
}
void
LdrCallLoadedImage (
IN HMODULE hModule
)
/*
Çàïóñêàåò çàãðóæåííûé îáðàç
*/
{
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
GetHeaders((PCHAR) hModule, &pfh, &poh, &psh);
//
// Ôèêñèì PEB
//
printf("\nPreparing to start image, fixing PEB\n");
LdrpFixPeb( hModule );
// Âñå îê. Çàïóñêàåì
printf("Ready. Running....\n");
LPVOID entry = (LPVOID)( (DWORD)hModule + poh->AddressOfEntryPoint );
BOOL (APIENTRY *DrvEnableDriver)(
ULONG iEngineVersion,
ULONG cj,
DRVENABLEDATA *pded
);
*(PVOID*)&DrvEnableDriver = entry;
DRVENABLEDATA ded = {0};
BOOL b = DrvEnableDriver (0x00030101, sizeof(ded), &ded);
printf("DrvEnableDriver returned %d\n", b);
if (!b)
Sleep(-1);
printf("DISPLAY DRIVER LOADED\n");
printf("===============================================================\n"
"Dumping entries \n"
"Index Entry Relative Module \n"
"===============================================================\n");
for (ULONG i=0; i<ded.c; i++)
{
char *modname = "";
PMODULE32 mod = LdrLookupModByPointer (ded.pdrvfn[i].pfn);
if (mod)
{
modname = strrchr (mod->ModuleName, '\\');
if (modname)
modname ++;
else
modname = "";
}
printf("%2d %08x %08x %s\n",
ded.pdrvfn[i].iFunc,
ded.pdrvfn[i].pfn,
mod ? ((ULONG)ded.pdrvfn[i].pfn - (ULONG)mod->ImageBase) : 0,
modname);
}
Sleep(-1);
}
void
LdrUnloadExecutable (
IN HMODULE hModule
)
/*
Âûãðóæàåò îáðàç èç ïàìÿòè
*/
{
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_SECTION_HEADER psh;
GetHeaders((PCHAR) hModule, &pfh, &poh, &psh);
VirtualFree( hModule, poh->SizeOfImage, MEM_DECOMMIT );
VirtualFree( hModule, poh->SizeOfImage, MEM_RELEASE );
}
extern "C" BOOLEAN
LdrpCheckForLoadedDll (
IN PWSTR DllPath OPTIONAL,
IN PUNICODE_STRING DllName,
IN BOOLEAN StaticLink,
IN BOOLEAN Wx86KnownDll,
OUT PLDR_MODULE *LdrDataTableEntry
);
void *SysLoad (PCHAR DllName)
{
static ULONG Base = 0x10000000;
char name[1024];
GetSystemDirectory (name, sizeof(name)-1);
lstrcat (name, "\\");
lstrcat (name, DllName);
PVOID b = (PVOID) Base;
PVOID ptr = LdrLoadExecutable (name, &b);
Base += 0x1000000;
return ptr;
}
int main()
{
void* ptr = SysLoad ("igxprd32.dll");
// __asm int 3
LdrCallLoadedImage( (HINSTANCE)ptr );
return 0;
}
VOID APIENTRY EngMultiByteToUnicodeN(
LPWSTR UnicodeString,
ULONG MaxBytesInUnicodeString,
PULONG BytesInUnicodeString,
PCHAR MultiByteString,
ULONG BytesInMultiByteString
)
{
*BytesInUnicodeString = MultiByteToWideChar (CP_ACP, 0, MultiByteString, BytesInMultiByteString,
UnicodeString, MaxBytesInUnicodeString);
}
PVOID APIENTRY EngLoadImage(PWCHAR Name)
{
char aName[512];
WideCharToMultiByte (CP_ACP, 0, Name, wcslen(Name)+1, aName, sizeof(aName)-1, 0, 0);
if (!stricmp(aName, "win32k.sys"))
return GetModuleHandle(0);
return SysLoad (aName);
}
PVOID
RtlFindImageProcedureByNameOrPointer(
IN PVOID Base,
IN PCHAR FunctionName OPTIONAL,
IN PVOID FunctionEntry OPTIONAL
)
{
PIMAGE_DOS_HEADER mz;
PIMAGE_FILE_HEADER pfh;
PIMAGE_OPTIONAL_HEADER poh;
PIMAGE_EXPORT_DIRECTORY pexd;
PULONG AddressOfFunctions;
PULONG AddressOfNames;
PUSHORT AddressOfNameOrdinals;
ULONG i;
// Get headers
*(PUCHAR*)&mz = (PUCHAR)Base;
*(PUCHAR*)&pfh = (PUCHAR)Base + mz->e_lfanew + sizeof(IMAGE_NT_SIGNATURE);
*(PIMAGE_FILE_HEADER*)&poh = pfh + 1;
// Get export
*(PUCHAR*)&pexd = (PUCHAR)Base + poh->DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
*(PUCHAR*)&AddressOfFunctions = (PUCHAR)Base + pexd->AddressOfFunctions;
*(PUCHAR*)&AddressOfNames = (PUCHAR)Base + pexd->AddressOfNames;
*(PUCHAR*)&AddressOfNameOrdinals = (PUCHAR)Base + pexd->AddressOfNameOrdinals;
// Find function
for( i=0; i<pexd->NumberOfNames; i++ )
{
PCHAR name = ((char*)Base + AddressOfNames[i]);
PVOID addr = (PVOID*)((ULONG)Base + AddressOfFunctions[AddressOfNameOrdinals[i]]);
if ( (FunctionName))
{
if( !strcmp( name, FunctionName ) )
{
return addr;
}
}
else if ( (FunctionEntry))
{
if (FunctionEntry == addr)
return name;
}
else
{
printf ("SHOULD NOT REACH HERE\n");
__asm int 3
}
}
return NULL;
}
PVOID APIENTRY EngFindImageProcAddress(PVOID Mod, PCHAR Func)
{
// if (!Mod)
// __asm int 3
//
// if (!stricmp(Func,"DrvEnableDriver"))
// __asm int 3
return (PVOID) RtlFindImageProcedureByNameOrPointer (Mod, Func, 0);
}
void db()
{
__asm int 3
}
void BRUSHOBJ_hGetColorTransform
() {db();} void BRUSHOBJ_pvAllocRbrush
() {db();} void BRUSHOBJ_pvGetRbrush
() {db();} void BRUSHOBJ_ulGetBrushColor
() {db();} void CLIPOBJ_bEnum
() {db();} void CLIPOBJ_cEnumStart
() {db();} void CLIPOBJ_ppoGetPath
() {db();} void EngAcquireSemaphore
() {db();} void EngAllocMem
() {db();} void EngAllocPrivateUserMem
() {db();} void EngAllocSectionMem
() {db();} void EngAllocUserMem
() {db();} void EngAlphaBlend
() {db();} void EngAssociateSurface
() {db();} void EngBitBlt
() {db();} void EngBugCheckEx
() {db();} void EngCheckAbort
() {db();} void EngClearEvent
() {db();} void EngComputeGlyphSet
() {db();} void EngControlSprites
() {db();} void EngCopyBits
() {db();} void EngCreateBitmap
() {db();} void EngCreateClip
() {db();} void EngCreateDeviceBitmap
() {db();} void EngCreateDeviceSurface
() {db();} void EngCreateDriverObj
() {db();} void EngCreateEvent
() {db();} void EngCreatePalette
() {db();} void EngCreatePath
() {db();} void EngCreateSemaphore
() {db();} void EngCreateWnd