Making your own god mode (Working 02/10/2012)

(...)

DWORD OriFunc_ptr, *AddrToHook, PageProtection;

AddrToHook = (unsigned int *)((*(unsigned int*) MyIVEngineClient_ptr) + 0x1C);
OriFunc_ptr = *AddrToHook;

VirtualProtect( (LPVOID) AddrToHook, 4, PAGE_EXECUTE_READWRITE, &PageProtection );

*AddrToHook = (DWORD) MyHookFunction;

(...)

void __declspec(naked) MyHookFunction()
{
	_asm
	{
		push [esp+4]	// cmd
		call TestDmg
		cmp al, 1
		jz  RETURN
		pop eax
		mov eax, OriFunc_ptr
		jmp eax
RETURN:
		pop eax
		retn 4
		
	}
}



bool __cdecl TestDmg( char *vinCmd )
{
	char tmp[128];
	memset( tmp, 0, 128);
	memcpy( tmp, cmd, strlen( cmd ));
	tmp[19] = 0;
	if( strcmp( "force_damage_player", tmp) == 0 )
	{
		return true;
	}

	return false;
}