void IH_cbEntryPoint() //Entry callback
{
g_fdImageBase=GetDebuggedFileBaseAddress();
g_PtrTargetData->ImageBase=g_fdImageBase;
g_PtrTargetData->OEP=(unsigned int)(g_fdImageBase+g_fdEntryPoint);
// Retrieve useful data from IAT
IH_GetImportTableAddresses();
// Search free space
IH_GetFreeSpaceAddr();
SetAPIBreakPoint((char*)"kernel32.dll", (char*)"OpenMutexA", UE_BREAKPOINT, UE_APISTART, (void*)IH_cbOpenMutexA);
}
__declspec(dllexport) bool TITCALL EngineUnpackerSetBreakCondition(void* SearchStart, DWORD SearchSize, void* SearchPattern, DWORD PatternSize, DWORD PatternDelta, ULONG_PTR BreakType, bool SingleBreak, DWORD Parameter1, DWORD Parameter2)
{
ULONG_PTR fPatternLocation;
DWORD fBreakPointType = UE_BREAKPOINT;
UnpackerInformation fUnpackerInformation = {};
if((int)SearchStart == UE_UNPACKER_CONDITION_SEARCH_FROM_EP)
{
if(EngineUnpackerFileStatus.FileIsDLL)
{
SearchStart = (void*)((ULONG_PTR)GetPE32DataW(szEngineUnpackerInputFile, NULL, UE_OEP) + (ULONG_PTR)GetDebuggedDLLBaseAddress());
}
else
{
SearchStart = (void*)((ULONG_PTR)GetPE32DataW(szEngineUnpackerInputFile, NULL, UE_OEP) + (ULONG_PTR)GetDebuggedFileBaseAddress());
}
}
if(SearchSize == NULL)
{
SearchSize = 0x1000;
}
fPatternLocation = (ULONG_PTR)FindEx(pEngineUnpackerProcessHandle->hProcess, SearchStart, SearchSize, SearchPattern, PatternSize, NULL);
if(fPatternLocation != NULL)
{
if(SingleBreak)
{
fBreakPointType = UE_SINGLESHOOT;
}
fPatternLocation = fPatternLocation + (int)PatternDelta;
fUnpackerInformation.Parameter1 = Parameter1;
fUnpackerInformation.Parameter2 = Parameter2;
fUnpackerInformation.SingleBreak = SingleBreak;
fUnpackerInformation.BreakPointAddress = fPatternLocation;
if(BreakType == UE_UNPACKER_CONDITION_LOADLIBRARY)
{
if(SetBPX(fPatternLocation, UE_BREAKPOINT, &EngineSimplifyLoadLibraryCallBack))
{
EngineUnpackerBreakInfo.push_back(fUnpackerInformation);
return true;
}
}
else if(BreakType == UE_UNPACKER_CONDITION_GETPROCADDRESS)
{
if(SetBPX(fPatternLocation, UE_BREAKPOINT, &EngineSimplifyGetProcAddressCallBack))
{
EngineUnpackerBreakInfo.push_back(fUnpackerInformation);
return true;
}
}
else if(BreakType == UE_UNPACKER_CONDITION_ENTRYPOINTBREAK)
{
if(SetBPX(fPatternLocation, UE_BREAKPOINT, &EngineSimplifyGetProcAddressCallBack))
{
EngineUnpackerBreakInfo.push_back(fUnpackerInformation);
return true;
}
}
else if(BreakType == UE_UNPACKER_CONDITION_RELOCSNAPSHOT1)
{
if(SetBPX(fPatternLocation, UE_BREAKPOINT, &EngineSimplifyMakeSnapshotCallBack))
{
fUnpackerInformation.SnapShotNumber = 1;
EngineUnpackerBreakInfo.push_back(fUnpackerInformation);
return true;
}
}
else if(BreakType == UE_UNPACKER_CONDITION_RELOCSNAPSHOT2)
{
if(SetBPX(fPatternLocation, UE_BREAKPOINT, &EngineSimplifyMakeSnapshotCallBack))
{
fUnpackerInformation.SnapShotNumber = 2;
EngineUnpackerBreakInfo.push_back(fUnpackerInformation);
return true;
}
}
else
{
if(SetBPX(fPatternLocation, fBreakPointType, (void*)BreakType))
{
EngineUnpackerBreakInfo.push_back(fUnpackerInformation);
return true;
}
}
}
return false;
}