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#include "WinLoad.h"
SHITHOOK WinLoadImageShitHook;
CHAR8 ModulePathCStr[0x100];
BOOLEAN InstalledHvLoaderHook = FALSE;
EFI_STATUS EFIAPI BlImgLoadPEImageEx(VOID* a1, VOID* a2, CHAR16* ImagePath, UINT64* ImageBasePtr, UINT32* ImageSize,
VOID* a6, VOID* a7, VOID* a8, VOID* a9, VOID* a10, VOID* a11, VOID* a12, VOID* a13, VOID* a14)
{
UnicodeStrToAsciiStr(ImagePath, ModulePathCStr);
DBG_PRINT("LOADING FROM WINLOAD: ");
DBG_PRINT(ModulePathCStr);
DisableShitHook(&WinLoadImageShitHook);
EFI_STATUS Result = ((LDR_LOAD_IMAGE)WinLoadImageShitHook.Address)(a1, a2, ImagePath, ImageBasePtr, ImageSize, a6, a7, a8,
a9, a10, a11, a12, a13, a14);
if(!InstalledHvLoaderHook)
EnableShitHook(&WinLoadImageShitHook);
if (StrStr(ImagePath, L"hvloader.efi"))
{
VOID* LoadImage =
FindPattern(
*ImageBasePtr,
*ImageSize,
HV_LOAD_PE_IMG_SIG,
HV_LOAD_PE_IMG_MASK
);
VOID* AllocImage =
FindPattern(
*ImageBasePtr,
*ImageSize,
ALLOCATE_IMAGE_BUFFER_SIG,
ALLOCATE_IMAGE_BUFFER_MASK
);
if (!LoadImage || !AllocImage)
{
DBG_PRINT("Signatures FAILED!\n");
return Result;
}
#if WINVER == 1703
MakeShitHook(&HvLoadImageBufferHook, RESOLVE_RVA(LoadImage, 5, 1), &HvBlImgLoadPEImageFromSourceBuffer, TRUE);
#elif WINVER <= 1607 // 1511 is the same...
MakeShitHook(&HvLoadImageHook, RESOLVE_RVA(LoadImage, 5, 1), &HvBlImgLoadPEImageEx, TRUE);
#endif
MakeShitHook(&HvLoadAllocImageHook, RESOLVE_RVA(AllocImage, 5, 1), &HvLoaderBlImgAllocateImageBuffer, TRUE);
DBG_PRINT("LoadImageHook -> 0x%p\n", RESOLVE_RVA(LoadImage, 5, 1));
DBG_PRINT("AllocImage -> 0x%p\n", RESOLVE_RVA(AllocImage, 5, 1));
InstalledHvLoaderHook = TRUE;
}
DBG_PRINT("[%s] Image Base -> 0x%p, Image Size -> 0x%p\n", __FUNCTION__, *ImageBasePtr, *ImageSize);
return Result;
}