full-disclosure - Re: VML Exploit vs. AV/IPS/IDS signatures

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Date: Tue, 26 Sep 2006 10:17:07 -0500
From: H D Moore <fdlist@...italoffense.net>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: VML Exploit vs. AV/IPS/IDS signatures

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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