RaiseException(0x4000001f) Anti-Olly Trick

//http://waleedassar.blogspot.com
//http://www.twitter.com/waleedassar

//Works against OllyDbg v1.10

#include "stdafx.h"
#include "windows.h"
#include "stdio.h"

int _cdecl Handler(EXCEPTION_RECORD* pRec,void* Est_Frame,unsigned char* pContext,void* Disp)
{
    printf("Exception %x Caught\r\n",pRec->ExceptionCode);
    ExitProcess(0);
    return ExceptionContinueSearch;
}

int main()
{
    __asm
    {
        push offset Handler
        push dword ptr fs:[0x0]
        mov dword ptr fs:[0x0],esp
    }
    RaiseException(0x4000001f,0,0,0);
    printf("Debugger detected!\r\n");
    return 0;
}