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#include "Utilities.hpp"
uintptr_t Utilities::FindPattern(const char* Module, const char* Sig)
{
#define IN_RANGE(x, a, b) (x >= a && x <= b)
#define GET_BITS(x) (IN_RANGE((x & (~0x20)), 'A', 'F') ? ((x & (~0x20)) - 'A' + 0xA): (IN_RANGE(x, '0', '9') ? x - '0': 0))
#define GET_BYTE(x) (GET_BITS(x[0]) << 4 | GET_BITS(x[1]))
const auto ModuleHandle = GetModuleHandleA(Module);
const auto DOSHeader = PIMAGE_DOS_HEADER(ModuleHandle);
const auto NTHeaders = PIMAGE_NT_HEADERS(reinterpret_cast<std::uint8_t*>(ModuleHandle) + DOSHeader->e_lfanew);
uintptr_t StartAddress = (uintptr_t)GetModuleHandleA(Module);
uintptr_t Size = (StartAddress + (uintptr_t)NTHeaders->OptionalHeader.SizeOfImage);
const char* Pat = Sig;
uintptr_t FirstMatch = 0;
for (uintptr_t pCur = StartAddress; pCur < Size; pCur++)
{
if (!*Pat) return FirstMatch;
if (*(PBYTE)Pat == ('\?') || *(BYTE*)pCur == GET_BYTE(Pat))
{
if (!FirstMatch) FirstMatch = pCur;
if (!Pat[2]) return FirstMatch;
if (*(PWORD)Pat == ('\?\?') || *(PBYTE)Pat != ('\?')) Pat += 3;
else Pat += 2;
}
else
{
Pat = Sig;
FirstMatch = 0;
}
}
return NULL;
}
uintptr_t Utilities::Dereference(uintptr_t Address, unsigned int Offset)
{
if (Address == 0)
return 0;
if (sizeof(uintptr_t) == 8)
return Address + (int)((*(int*)(Address + Offset) + Offset) + sizeof(int));
return (uintptr_t) * (unsigned long*)(Address + Offset);
}
void Utilities::DumpNetVars()
{
FILE* FileHandle;
FileHandle = fopen("G:\\NetVar_Dump.txt", "w");
for (ClientClass* ClientClasses = pClient->GetAllClasses(); ClientClasses; ClientClasses = ClientClasses->m_pNext)
{
if (!ClientClasses->RecvTable || !ClientClasses->RecvTable->NetvarsArray || !ClientClasses->m_pClassName)
continue;
Msg(Color(151, 173, 209, 255), "%s : [%d] \n", ClientClasses->m_pClassName, ClientClasses->RecvTable->NumOfNetvars);
fprintf(FileHandle, "%s : [%d] \n", ClientClasses->m_pClassName, ClientClasses->RecvTable->NumOfNetvars);
for (int i = 0; i < ClientClasses->RecvTable->NumOfNetvars; i++)
{
Netvar* Var = ClientClasses->RecvTable->NetvarsArray[i].Netvar;
if (!Var || !Var->NetvarName || !Var->TypeName || !Var->Offset)
break;
Msg(Color(91, 141, 222, 255), "\t[%d] %s -> 0x%x [%s] \n", i + 1, Var->NetvarName, Var->Offset, Var->TypeName);
fprintf(FileHandle, "\t[%d] %s -> 0x%x [%s] \n", i + 1, Var->NetvarName, Var->Offset, Var->TypeName);
}
}
fclose(FileHandle);
}
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