/*  IsProcessDebugged ShellCode (25 bytes) by Touron Guillaume  */

//  Retrieve PEB->BeingDebugged to check if Process is debugged
//  If BeingDebugged == 1 (debugged) -> process CRASH !!
//      If not, continue execution after the shellcode...

//  No null bytes
//  contact: touron [dot] guillaume [at] gmail [dot] com

#include <stdio.h>
#include <string.h>

char shellcode_dbg[] = "\x60\x33\xDB\x83\xC3\x18\x64\x8B\x03\x8B\x40\x30"
            "\x0F\xB6\x40\x02\x8B\xFD\x83\xC7\x04\x29\x07\x61\xC3";

int main() 
{
  fprintf(stdout, "Shellcode lenght: %d bytes only!\n", strlen(shellcode_dbg));
  
  void (*myShellcode)();
   *(long *)&myShellcode = (long)shellcode_dbg;
   
  myShellcode();  
  
  return 0;
}