EscapeTheBackrooms_Internal/EscapeTheBackroomsGUiTest/SigScan/memhack.cpp
2024-04-20 14:19:09 +02:00

42 lines
1.1 KiB
C++

#include "memhack.h"
//internal patch
void Patch(char* dst, char* src, unsigned int size)
{
DWORD oldprotect;
VirtualProtect(dst, size, PAGE_READWRITE, &oldprotect);
memcpy(dst, src, size);
VirtualProtect(dst, size, oldprotect, &oldprotect);
}
//external
void PatchEx(char* dst, char* src, unsigned int size, HANDLE hProcess)
{
DWORD oldprotect;
VirtualProtectEx(hProcess, dst, size, PAGE_READWRITE, &oldprotect);
WriteProcessMemory(hProcess, dst, src, size, NULL);
VirtualProtectEx(hProcess, dst, size, oldprotect, &oldprotect);
}
//Internal Nop
void Nop(char* dst, unsigned int size)
{
DWORD oldprotect;
VirtualProtect(dst, size, PAGE_READWRITE, &oldprotect);
memset(dst, 0x90, size);
VirtualProtect(dst, size, oldprotect, &oldprotect);
}
//External
void NopEx(char* dst, unsigned int size, HANDLE hProcess)
{
byte* nopArray = new byte[size];
memset(nopArray, 0x90, size);
DWORD oldprotect;
VirtualProtectEx(hProcess, dst, size, PAGE_READWRITE, &oldprotect);
WriteProcessMemory(hProcess, dst, nopArray, size, NULL);
VirtualProtectEx(hProcess, dst, size, oldprotect, &oldprotect);
delete[] nopArray;
}