[Snort-users] ClamAV preprocessor

Adriel T. Desautels atd at ...10635...
Mon Aug 23 19:06:02 EDT 2004

Hash: SHA1

Where can I get my hands on this preprocessor? 

Adriel T. Desautels
Founder and CTO
Secure Network Operations
Embracing the future of technology, protecting you.
Office:  978-263-3829    Fax: 978-263-3313
atd at ...10635...      www.secnetops.com  

- -----Original Message-----
From: snort-users-admin at lists.sourceforge.net
[mailto:snort-users-admin at lists.sourceforge.net] On Behalf Of Jason
Sent: Monday, August 23, 2004 8:54 PM
To: snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] ClamAV preprocessor

On Tue, Aug 17, 2004 at 11:09:14PM -0500, William Metcalf wrote:
>  I know that some of folks don't think that doing virus detection
> with  and IDS is a good idea, but Victor Julien and I have
> developed a 
> preprocessor that can detect virus activity in network traffic,
> using  a clamav c function and the clamav virus database.  On to
> the preproc,  you can enable

Wow - freaky!

Have you got any stats on how such a preprocessor affects Snort?

e.g. how much more CPU/memory load, FP rates, etc.

As far as FP rates go, I mean as it's "just" an AV preprocessor (now
there's an understatement!), I assume it isn't also a SMB
preprocessor - so it isn't translating raw network data back into
files before letting ClamAV loose on it - so the chances for FP must
be higher due to that.

- --

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417 PGP Fingerprint: 7A2E 0407
C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1

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