x64dbg
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TitanEngine
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various improvements and bugfixes to initialization of memory 

- far, far, far from complete.
This commit is contained in:
deepzero 2014-01-15 11:32:00 +01:00
parent 88fcd342ce
commit 75ea5b7f51
1 changed files with 18 additions and 21 deletions
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39
TitanEngine/TitanEngine.cpp
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@ -484,7 +484,7 @@ static char* EngineExtractPath(char* szFileName)
{ {
int i; int i;
RtlZeroMemory(&engineExtractedFolderName, 512); RtlZeroMemory(&engineExtractedFolderName, sizeof(engineExtractedFolderName));
lstrcpyA(engineExtractedFolderName, szFileName); lstrcpyA(engineExtractedFolderName, szFileName);
i = lstrlenA(engineExtractedFolderName); i = lstrlenA(engineExtractedFolderName);
while(i > 0 && engineExtractedFolderName[i] != 0x5C) while(i > 0 && engineExtractedFolderName[i] != 0x5C)
@ -502,7 +502,7 @@ char* EngineExtractFileName(char* szFileName)
int x = 0; int x = 0;
i = lstrlenA(szFileName); i = lstrlenA(szFileName);
RtlZeroMemory(&engineExtractedFileName, 512); RtlZeroMemory(&engineExtractedFileName, sizeof(engineExtractedFileName));
while(i > 0 && szFileName[i] != 0x5C) while(i > 0 && szFileName[i] != 0x5C)
{ {
i--; i--;
@ -919,11 +919,10 @@ bool EngineIsDependencyPresent(char* szFileName, char* szDependencyForFile, char
{ {
int i,j; int i,j;
HANDLE hFile; HANDLE hFile;
char szTryFileName[512]; char szTryFileName[512] = {0};
if(szPresentInFolder != NULL && szFileName != NULL) if(szPresentInFolder != NULL && szFileName != NULL)
{ {
RtlZeroMemory(&szTryFileName, 512);
lstrcpyA(szTryFileName, szPresentInFolder); lstrcpyA(szTryFileName, szPresentInFolder);
if(szTryFileName[lstrlenA(szTryFileName)-1] != 0x5C) if(szTryFileName[lstrlenA(szTryFileName)-1] != 0x5C)
{ {
@ -995,11 +994,10 @@ bool EngineIsDependencyPresentW(wchar_t* szFileName, wchar_t* szDependencyForFil
int i,j; int i,j;
HANDLE hFile; HANDLE hFile;
wchar_t szTryFileName[512]; wchar_t szTryFileName[512] = {0};
if(szPresentInFolder != NULL) if(szPresentInFolder != NULL)
{ {
RtlZeroMemory(&szTryFileName, 512);
lstrcpyW(szTryFileName, szPresentInFolder); lstrcpyW(szTryFileName, szPresentInFolder);
if(szTryFileName[lstrlenW(szTryFileName)-1] != 0x5C) if(szTryFileName[lstrlenW(szTryFileName)-1] != 0x5C)
{ {
@ -1045,7 +1043,6 @@ bool EngineIsDependencyPresentW(wchar_t* szFileName, wchar_t* szDependencyForFil
} }
if(szDependencyForFile != NULL) if(szDependencyForFile != NULL)
{ {
RtlZeroMemory(&szTryFileName, 512);
i = lstrlenW(szDependencyForFile); i = lstrlenW(szDependencyForFile);
while(i > 0 && szDependencyForFile[i] != 0x5C) while(i > 0 && szDependencyForFile[i] != 0x5C)
{ {
@ -1071,7 +1068,7 @@ bool EngineGetDependencyLocation(char* szFileName, char* szDependencyForFile, vo
int i,j; int i,j;
HANDLE hFile; HANDLE hFile;
char szTryFileName[512]; char szTryFileName[512] = {0};
if(szFileName != NULL) if(szFileName != NULL)
{ {
@ -1179,7 +1176,7 @@ long EngineHashMemory(char* MemoryAddress, int MemorySize, DWORD InitialHashValu
bool EngineIsBadReadPtrEx(LPVOID DataPointer, DWORD DataSize) bool EngineIsBadReadPtrEx(LPVOID DataPointer, DWORD DataSize)
{ {
MEMORY_BASIC_INFORMATION MemInfo; MEMORY_BASIC_INFORMATION MemInfo = {0};
while(DataSize > NULL) while(DataSize > NULL)
{ {
@ -1734,11 +1731,11 @@ long long EngineGlobalAPIHandler(HANDLE handleProcess, ULONG_PTR EnumedModulesBa
HANDLE hProcess = NULL; HANDLE hProcess = NULL;
ULONG_PTR EnumeratedModules[0x2000]; ULONG_PTR EnumeratedModules[0x2000];
ULONG_PTR LoadedModules[1000][4]; ULONG_PTR LoadedModules[1000][4];
char RemoteDLLName[MAX_PATH]; char RemoteDLLName[MAX_PATH]={0};
char FullRemoteDLLName[MAX_PATH]; char FullRemoteDLLName[MAX_PATH]={0};
char szWindowsSideBySide[MAX_PATH]; char szWindowsSideBySide[MAX_PATH]={0};
char szWindowsSideBySideCmp[MAX_PATH]; char szWindowsSideBySideCmp[MAX_PATH]={0};
char szWindowsKernelBase[MAX_PATH]; char szWindowsKernelBase[MAX_PATH]={0};
HANDLE hLoadedModule = NULL; HANDLE hLoadedModule = NULL;
HANDLE ModuleHandle = NULL; HANDLE ModuleHandle = NULL;
PIMAGE_DOS_HEADER DOSHeader; PIMAGE_DOS_HEADER DOSHeader;
@ -1757,15 +1754,15 @@ long long EngineGlobalAPIHandler(HANDLE handleProcess, ULONG_PTR EnumedModulesBa
unsigned int FoundIndex = 0; unsigned int FoundIndex = 0;
unsigned int FoundOrdinalNumber = 0; unsigned int FoundOrdinalNumber = 0;
ULONG_PTR FileMapVA; ULONG_PTR FileMapVA;
char szFwdDLLName[512]; char szFwdDLLName[512] = {0};
char szFwdAPIName[512]; char szFwdAPIName[512] = {0};
ULONG_PTR RealignedAPIAddress; ULONG_PTR RealignedAPIAddress;
ULONG_PTR ForwarderData = NULL; ULONG_PTR ForwarderData = NULL;
unsigned int ClosestAPI = 0x1000; unsigned int ClosestAPI = 0x1000;
int Vista64UserForwarderFix = 0; int Vista64UserForwarderFix = 0;
unsigned int Windows7KernelBase = 0xFFFFFFFF; unsigned int Windows7KernelBase = 0xFFFFFFFF;
RtlZeroMemory(&engineFoundDLLName, 512); RtlZeroMemory(&engineFoundDLLName, sizeof(szFwdDLLName));
RtlZeroMemory(&EnumeratedModules, 0x2000 * sizeof ULONG_PTR); RtlZeroMemory(&EnumeratedModules, 0x2000 * sizeof ULONG_PTR);
RtlZeroMemory(&LoadedModules, 1000 * 4 * sizeof ULONG_PTR); RtlZeroMemory(&LoadedModules, 1000 * 4 * sizeof ULONG_PTR);
GetWindowsDirectoryA(szWindowsSideBySide, MAX_PATH); GetWindowsDirectoryA(szWindowsSideBySide, MAX_PATH);
@ -1959,7 +1956,7 @@ long long EngineGlobalAPIHandler(HANDLE handleProcess, ULONG_PTR EnumedModulesBa
ExportedFunctionNames = (PEXPORTED_DATA)(PEExports->AddressOfNames + LoadedModules[i][1]); ExportedFunctionNames = (PEXPORTED_DATA)(PEExports->AddressOfNames + LoadedModules[i][1]);
ExportedFunctionOrdinals = (PEXPORTED_DATA_WORD)(PEExports->AddressOfNameOrdinals + LoadedModules[i][1]); ExportedFunctionOrdinals = (PEXPORTED_DATA_WORD)(PEExports->AddressOfNameOrdinals + LoadedModules[i][1]);
GetModuleBaseNameA(hProcess, (HMODULE)LoadedModules[i][0], (LPSTR)engineFoundDLLName, 512); GetModuleBaseNameA(hProcess, (HMODULE)LoadedModules[i][0], (LPSTR)engineFoundDLLName, 512);
RtlZeroMemory(&engineFoundAPIName, 512); RtlZeroMemory(&engineFoundAPIName, sizeof(engineFoundAPIName));
x = n; x = n;
FoundOrdinalNumber = (unsigned int)PEExports->Base; FoundOrdinalNumber = (unsigned int)PEExports->Base;
for(j = 0; j < PEExports->NumberOfNames; j++) for(j = 0; j < PEExports->NumberOfNames; j++)
@ -2042,7 +2039,7 @@ long long EngineGlobalAPIHandler(HANDLE handleProcess, ULONG_PTR EnumedModulesBa
if(ExportedFunctions->ExportedItem + LoadedModules[i][0] == APIAddress) if(ExportedFunctions->ExportedItem + LoadedModules[i][0] == APIAddress)
{ {
GetModuleBaseNameA(hProcess, (HMODULE)LoadedModules[i][0], (LPSTR)engineFoundDLLName, 512); GetModuleBaseNameA(hProcess, (HMODULE)LoadedModules[i][0], (LPSTR)engineFoundDLLName, 512);
RtlZeroMemory(&engineFoundAPIName, 512); RtlZeroMemory(&engineFoundAPIName, sizeof(engineFoundAPIName));
x = j; x = j;
FoundOrdinalNumber = (unsigned int)PEExports->Base; FoundOrdinalNumber = (unsigned int)PEExports->Base;
for(j = 0; j < PEExports->NumberOfNames; j++) for(j = 0; j < PEExports->NumberOfNames; j++)
@ -2078,7 +2075,7 @@ long long EngineGlobalAPIHandler(HANDLE handleProcess, ULONG_PTR EnumedModulesBa
ExportedFunctionOrdinals = (PEXPORTED_DATA_WORD)((ULONG_PTR)ExportedFunctionOrdinals + j * 2); ExportedFunctionOrdinals = (PEXPORTED_DATA_WORD)((ULONG_PTR)ExportedFunctionOrdinals + j * 2);
ExportedFunctions = (PEXPORTED_DATA)((ULONG_PTR)ExportedFunctions + (ExportedFunctionOrdinals->OrdinalNumber) * 4); ExportedFunctions = (PEXPORTED_DATA)((ULONG_PTR)ExportedFunctions + (ExportedFunctionOrdinals->OrdinalNumber) * 4);
GetModuleBaseNameA(hProcess, (HMODULE)LoadedModules[i][0], (LPSTR)engineFoundDLLName, 512); GetModuleBaseNameA(hProcess, (HMODULE)LoadedModules[i][0], (LPSTR)engineFoundDLLName, 512);
RtlZeroMemory(&engineFoundAPIName, 512); RtlZeroMemory(&engineFoundAPIName, sizeof(engineFoundAPIName));
ExportedFunctions = (PEXPORTED_DATA)((ULONG_PTR)ExportedFunctions + (j + PEExports->Base) * 4); ExportedFunctions = (PEXPORTED_DATA)((ULONG_PTR)ExportedFunctions + (j + PEExports->Base) * 4);
APIFoundAddress = ExportedFunctions->ExportedItem + LoadedModules[i][0]; APIFoundAddress = ExportedFunctions->ExportedItem + LoadedModules[i][0];
APINameFound = true; APINameFound = true;
@ -2091,7 +2088,7 @@ long long EngineGlobalAPIHandler(HANDLE handleProcess, ULONG_PTR EnumedModulesBa
} }
__except(EXCEPTION_EXECUTE_HANDLER) __except(EXCEPTION_EXECUTE_HANDLER)
{ {
RtlZeroMemory(&engineFoundAPIName, 512); RtlZeroMemory(&engineFoundAPIName, sizeof(engineFoundAPIName));
APINameFound = false; APINameFound = false;
} }
} }