void Function(void)
{
    MessageBoxA(0, "Leet hacks!", "Leet hacks!", 0);
}

_declspec(naked) void FunctionCallerStub()
{
    __asm
    {
        pushfd ;store flags
        pushad ;store registers
        call Function
        popad ;restore registers
        popfd ;restore flags
        jnz 0x0042E280
    }
}

void InstallHook(void)
{
    unsigned char *overwriteptr = (unsigned char*)0x0042E1AC;
    *overwriteptr = 0xE9; *((DWORD*)(overwriteptr + 1)) = (DWORD)&FunctionCallerStub;
}