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Re: [Full-disclosure] VML Exploit vs. AV/IPS/IDS signatures

from [H D Moore] Network Security [Permanent Link]
Subject: Re: [Full-disclosure] VML Exploit vs. AV/IPS/IDS signatures
Date: Tue, 26 Sep 2006 10:17:07 -0500 
Nice work Aviv! All of these methods, along with a few extras, are 
implemented in the Metasploit 2.6 version of this module. Last I checked, 
not a single AV or IPS could pick it up. This module should work on every 
version and service pack of Windows.

http://metasploit.com/projects/Framework/exploits.html#ie_vml_rectfill

-HD

On Tuesday 26 September 2006 09:04, avivra wrote:

I've used 5 simple methods, trying to evade being detected by the
signature: 1) I've replaced the location where EIP should jump when the
exploit is activated, with a different valid address.
2) I've replaced the VML element from "rect" with one of the other VML
elements. 3) I've replaced the payload with a different valid shell
code. 4) I've replaced the namespace key with a random key.
5) A combination of all of the above.

Please note that when I changed the code using any of the methods, the
exploit still worked.


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