SizeOfStackReserve As Anti-Attach Trick

//http://waleedassar.blogspot.com
//http://www.twitter.com/waleedassar
//A simple trick that can be as anti-attaching trick under Windows 7.
#include "stdafx.h"
#include "windows.h"
#include "stdio.h"

extern "C"
{
    IMAGE_NT_HEADERS* __stdcall RtlImageNtHeader(unsigned long ImageBase);
}

int main(int argc, char* argv[])
{

    //----------------------------------------------------------------
    unsigned long IB=(unsigned long)GetModuleHandle(0);
    unsigned long old=0;
    VirtualProtect((void*)IB,0x1000,PAGE_READWRITE,&old);
    IMAGE_NT_HEADERS* pNt=RtlImageNtHeader(IB);
    pNt->OptionalHeader.SizeOfStackReserve=0xFFFFFED7;
    VirtualProtect((void*)IB,0x1000,old,&old);
    //-----------------------------------------------------------------
    int i=0;
    while(8)
    {
        printf("Now try to attach a debugger to me (Win7) %x\r\n",i++);
        Sleep(1000);
    }
    return 0;
}