Re: ClamAV preprocessor

[William Metcalf <William_Metcalf () kcmo org>]

http://sourceforge.net/tracker/index.php?func=detail&aid=1011054&group_id=78497&atid=553469


                                                                       
             "Sam Evans"                                               
             <sam () neuroflux co                                         
             m>                                                         To
                                       "Victor Julien" <victor () nk nl>  
             08/24/2004 08:46                                           cc
             AM                        "Jason Haar"                    
                                       <jason.haar () trimble co nz>,     
                                       snort-users () lists sourceforge net,
                                       "William Metcalf"               
                                       <william_metcalf () kcmo org>      
                                                                   Subject
                                       Re: [Snort-users] ClamAV        
                                       preprocessor                    
                                                                       
                                                                       
                                                                       
                                                                       
                                                                       
                                                                       




Wow, this sounds really cool!  I didn't see a download link, but we could
offer up some of our sensors and heavy network traffic for testing.

-Sam


Victor Julien said:
> Hi Jason,
>
> On Tuesday 24 August 2004 02:53, Jason Haar wrote:
> > 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.
>
> No, although with no hard data i can say the load seems to be ok.
>
> > 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
>
> You are correct.
>
> > - so the chances for FP must be higher due to that.
>
> Well, maybe you are right, but i'm running it for a few weeks now, and
> haven't
> seen any fp. But this is one thing we need to find out by heavy testing
> :-).
>
> Regards,
> Victor
>
>
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