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FNTool.cpp
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FNTool.cpp
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#include "FNTool.h"
#include "spoof_call.h"
#include "Memory.h"
#include "safecall.h"
#include "xor.h"
bool FNTool::Initialize(uintptr_t GObjects, uintptr_t GetNameByIndex, uintptr_t FnFree)
{
this->ObjectsCount = *(DWORD*)(GObjects + 0x14);
if (this->ObjectsCount > 0x9000) this->ObjectsCount = 0x9000;
uintptr_t GObjects_deref = *(uintptr_t*)GObjects;
if (spoof_call(safe_call(IsBadWritePtr), (const LPVOID)GObjects_deref, (UINT_PTR)8)) { safe_call(MessageBoxA)(0, xorstr("Failed To Initialize"), xorstr("Error"), MB_ICONERROR); return FALSE; }
uintptr_t GObjects_deref2 = *(uintptr_t*)GObjects_deref;
if (spoof_call(safe_call(IsBadWritePtr), (const LPVOID)GObjects_deref2, (UINT_PTR)8)) { safe_call(MessageBoxA)(0, xorstr("Failed To Initialize"), xorstr("Error"), MB_ICONERROR); return FALSE; }
this->UObjectArray = GObjects_deref2;
this->GetNameByIndex = GetNameByIndex;
this->FnFree = FnFree;
return true;
}
BOOLEAN MaskCompare(PVOID buffer, LPCSTR pattern, LPCSTR mask) {
for (auto b = reinterpret_cast<PBYTE>(buffer); *mask; ++pattern, ++mask, ++b) {
if (*mask == 'x' && *reinterpret_cast<LPCBYTE>(pattern) != *b) {
return FALSE;
}
}
return TRUE;
}
PBYTE FindPattern2(LPCSTR pattern, LPCSTR mask) {
MODULEINFO info = { 0 };
GetModuleInformation(safe_call(GetCurrentProcess)(), GetModuleHandle(0), &info, sizeof(info));
info.SizeOfImage -= static_cast<DWORD>(strlen(mask));
for (auto i = 0UL; i < info.SizeOfImage; ++i) {
auto addr = reinterpret_cast<PBYTE>(info.lpBaseOfDll) + i;
if (MaskCompare(addr, pattern, mask)) {
return addr;
}
}
}
uintptr_t FNTool::FindSignature(const char* Signature) {
uintptr_t SigResult = MemoryHelper::Pattern::PatternScan(Signature);
return SigResult;
}
VOID FNTool::FindAndLogOffset(const char* Class, const char* OffsetName)
{
int strlenght = strlen((std::string(xorstr("")) + Class + xorstr(".") + OffsetName).c_str());
int calculation = 52 - strlenght;
std::string strspace = "";
for (int i = 0; i < calculation; i++) {
strspace = strspace + " ";
}
std::cout << " " << Class << "." << OffsetName << strspace << xorstr(" -> 0x") << std::hex << std::uppercase << this->FindOffset(Class, OffsetName) << std::endl;
}
DWORD FNTool::FindOffset(const char* Class, const char* varName)
{
for (DWORD i = 0x0; i < this->ObjectsCount; i++)
{
auto CurrentObject = *(uintptr_t*)(this->UObjectArray + (i * 0x18));
if (!CurrentObject) {safe_call(MessageBoxA)(0, xorstr("curobjnull"), 0, 0); return NULL; }
if (!(*(uintptr_t*)(CurrentObject + 0x50)) || *(DWORD*)(CurrentObject + 0x54) == 0xFFFFFFFF) continue;
char* CurObjectName = this->fGetObjectName(CurrentObject);
if (!strcmp(CurObjectName, Class)) //Same class
{
for (auto Property = *(uint64_t*)(CurrentObject + 0x50); !spoof_call(safe_call(IsBadWritePtr), (LPVOID)Property, (UINT_PTR)8); Property = *(uint64_t*)(Property + 0x20))
{
auto Type = *(uint64_t*)(Property + 0x8);
if (!spoof_call(safe_call(IsBadWritePtr), (LPVOID)Type, (UINT_PTR)8) && Type)
{
auto Property_FName = *(ue::FName*)(Property + 0x28);
auto Offset = *(DWORD*)(Property + 0x44);
if (Offset != 0)
{
auto Property_idx = Property_FName.ComparisonIndex;
if (Property_idx)
{
char* PropertyName = this->fGetNameByIndex(Property_idx);
if (!strcmp(PropertyName, varName))
{
return Offset;
}
}
}
}
}
return NULL; //Return NULL if checked all properties of the class.
}
}
}
VOID FNTool::FindAndLogClass(const char* Class)
{
std::cout << xorstr("\n");
for (DWORD i = 0x0; i < this->ObjectsCount; i++)
{
auto CurrentObject = *(uintptr_t*)(this->UObjectArray + (i * 0x18));
if (!CurrentObject) return;
if (!(*(uintptr_t*)(CurrentObject + 0x50)) || *(DWORD*)(CurrentObject + 0x54) == 0xFFFFFFFF) continue;
char* CurObjectName = this->fGetObjectName(CurrentObject);
if (!strcmp(CurObjectName, Class)) //Same class
{
for (auto Property = *(uint64_t*)(CurrentObject + 0x50); !safe_call(IsBadWritePtr)((LPVOID)Property, 8); Property = *(uint64_t*)(Property + 0x20))
{
auto Type = *(uint64_t*)(Property + 0x8);
if (!safe_call(IsBadWritePtr)((LPVOID)Type, 8) && Type)
{
auto Property_FName = *(ue::FName*)(Property + 0x28);
auto Offset = *(DWORD*)(Property + 0x44);
if (Offset != 0)
{
auto Property_idx = Property_FName.ComparisonIndex;
if (Property_idx)
{
char* PropertyName = this->fGetNameByIndex(Property_idx);
int strlenght = strlen((std::string(xorstr("")) + PropertyName).c_str());
int calculation = 52 - strlenght;
std::string strspace = "";
for (int iii = 0; iii < calculation; iii++) {
strspace = strspace + xorstr(" ");
}
int jjjj = 0;
for (int iiiii = 0; iiiii < strlenght; iiiii++)
if (PropertyName[iiiii] >= 0 && PropertyName[iiiii] <= 127)
PropertyName[jjjj++] = PropertyName[iiiii];
std::cout << xorstr(" ") << PropertyName << strspace << xorstr(" -> 0x") << std::hex << std::uppercase << Offset << std::endl;
}
}
}
}
return;
}
}
std::cout << xorstr(" [!] Class doesn't exists\n");
}
void FNTool::cFixName(char* Name)
{
for (int i = 0; Name[i] != '\0'; i++)
{
if (Name[i] == '_')
{
if (Name[i + 1] == '0' ||
Name[i + 1] == '1' ||
Name[i + 1] == '2' ||
Name[i + 1] == '3' ||
Name[i + 1] == '4' ||
Name[i + 1] == '5' ||
Name[i + 1] == '6' ||
Name[i + 1] == '7' ||
Name[i + 1] == '8' ||
Name[i + 1] == '9')
Name[i] = '\0';
}
}
return;
}
void FNTool::FreeObjName(uintptr_t Address)
{
if (Address == NULL) return;
auto func = reinterpret_cast<__int64(__fastcall*)(__int64)>(this->FnFree);
spoof_call( func, (__int64)Address);
}
char* FNTool::fGetObjectName(uintptr_t Object)
{
if (Object == 0) return (char*)("");
char* return_string = FNTool::fGetNameByIndex(*(int*)(Object + 0x18));
if (return_string == NULL) return (char*)"";
return return_string;
}
char* FNTool::fGetNameByIndex(int Index)
{
if (Index == 0) return (char*)"";
auto fGetNameByIdx = reinterpret_cast<ue::FString * (__fastcall*)(int*, ue::FString*)>(this->GetNameByIndex);
ue::FString result;
spoof_call( fGetNameByIdx, &Index, &result);
if (result.c_str() == NULL) return (char*)"";
auto tmp = result.ToString();
char return_string[1024];
spoof_call( memcpy, (void*)return_string, (const void*)std::string(tmp.begin(), tmp.end()).c_str(), (size_t)1024);
FreeObjName((uintptr_t)result.c_str());
cFixName(return_string);
return return_string;
}