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Full Disclosure: Re: Show me the Virrii!

Re: Show me the Virrii!

From: Nick FitzGerald <nick_at_virus-l.demon.co.uk>
Date: Thu, 08 Jan 2004 16:06:29 +1300

"fastfood_at_optusnet.com.au" <fastfood_at_optusnet.com.au> wrote:

> >Antivirus Software Turned Upside Down
> >by Jason Coombs (jasonc_at_science.org)
> [...]
> >Restricting the execution of code by a CPU to a
> >small list of known good programs that the owner of the computer chooses
> >to trust would basically kill the antivirus industry.
> [...]
>
> Cisco have a new product that does just this - Cisco Security Agent.
> http://www.cisco.com/en/US/products/sw/secursw/ps5057/
>
> Thoughts, comments?

I have no direct experience with using the product, but from the
various descriptions in the Cisco white-papers covering these product
families it seems they use _only_ traditional system hardening and
behaviour detection, analysis and blocking (or reversing) technologies.
In fact, in places these papers specifically states things such as:

   Cisco Security Agent does not rely on, or even contain, signatures.

If we accept that Cisco knows how its products work then the Security
Agent products cannot include whitelisting such as Jason's code, as
this is still fundamentally signature based.

-- 
Nick FitzGerald
Computer Virus Consulting Ltd.
Ph/FAX: +64 3 3529854
_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html
Received on Jan 08 2004
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