Code pouvant exploiter une vulnérabilité d'Internet Explorer

gistfile1.txt

document.write ('<a href="http://www.51.la/?15240615" target="_blank" title="&#x35;&#x31;&#x2E;&#x6C;&#x61;&#x20;&#x4E13;&#x4E1A;&#x3001;&#x514D;&#x8D39;&#x3001;&#x5F3
A;&#x5065;&#x7684;&#x8BBF;&#x95EE;&#x7EDF;&#x8BA1;">&#x7F51;&#x7AD9;&#x7EDF;&#x8BA1;</a>\n');
var a0615tf="51la";var a0615pu="";var a0615pf="51la";var a0615su=window.location;var a0615sf=document.referrer;var a0615of="";var a0615op="";var a0615ops=1;var a0615ot
=1;var a0615d=new Date();var a0615color="";if (navigator.appName=="Netscape"){a0615color=screen.pixelDepth;} else {a0615color=screen.colorDepth;}
try{a0615tf=top.document.referrer;}catch(e){}
try{a0615pu =window.parent.location;}catch(e){}
try{a0615pf=window.parent.document.referrer;}catch(e){}
try{a0615ops=document.cookie.match(new RegExp("(^| )AJSTAT_ok_pages=([^;]*)(;|$)"));a0615ops=(a0615ops==null)?1: (parseInt(unescape((a0615ops)[2]))+1);var a0615oe =new
Date();a0615oe.setTime(a0615oe.getTime()+60*60*1000);document.cookie="AJSTAT_ok_pages="+a0615ops+ ";path=/;expires="+a0615oe.toGMTString();a0615ot=document.cookie.mat
ch(new RegExp("(^| )AJSTAT_ok_times=([^;]*)(;|$)"));if(a0615ot==null){a0615ot=1;}else{a0615ot=parseInt(unescape((a0615ot)[2])); a0615ot=(a0615ops==1)?(a0615ot+1):(a061
5ot);}a0615oe.setTime(a0615oe.getTime()+365*24*60*60*1000);document.cookie="AJSTAT_ok_times="+a0615ot+";path=/;expires="+a0615oe.toGMTString();}catch(e){}
try{if(document.cookie==""){a0615ops=-1;a0615ot=-1;}}catch(e){}
a0615of=a0615sf;if(a0615pf!=="51la"){a0615of=a0615pf;}if(a0615tf!=="51la"){a0615of=a0615tf;}a0615op=a0615pu;try{lainframe}catch(e){a0615op=a0615su;}document.write('<im
g style="width:0px;height:0px" src="http://web1.51.la:82/go.asp?svid=17&id=15240615&tpages='+a0615ops+'&ttimes='+a0615ot+'&tzone='+(0-a0615d.getTimezoneOffset()/60)+'&
tcolor='+a0615color+'&sSize='+screen.width+','+screen.height+'&referrer='+escape(a0615of)+'&vpage='+escape(a0615op)+'" />');