Makes sense. Thanks Dave

On Mon, Feb 25, 2013 at 5:00 PM, Al Varnell <alvarn...@mac.com> wrote:

> On 2/25/13 4:01 PM, "David Raynor"  wrote:
>
> > On Mon, Feb 25, 2013 at 4:47 PM, Kaushik Vaidyanathan <
> > kvaid...@andrew.cmu.edu> wrote:
> >
> >> Hi
> >>
> >> I have a basic question. When I run clamscan with --debug option I see
> that
> >> #AC sigs and #BM sigs reported for the different engines clamscan
> spawns.
> >> If I add the AC and BM for all engines its somewhere around 110K-120K
> >> signatures,
> >>
> >> However I see the sigtool info report for main.cvd and daily.cvd report
> >> close a 1M and 800K signatures respectively.
> >>
> >> I guess there is a difference in the definition of the word "signature"
> but
> >> I am unable to figure out what it is.
> >>
> >> Thank you!
> >> _______________________________________________
> >> Help us build a comprehensive ClamAV guide: visit
> http://wiki.clamav.net
> >> http://www.clamav.net/support/ml
> >>
> >
> > In short, there are signatures that are not AC type or BM type. So the
> > difference in definition you refer to is summed up in this equation: AC
> > signatures + BM signatures < ALL signatures
> >
> > The largest group is full-file hash signatures (from the HDB & MDB-style
> > signatures). If you use sigtool to unpack the CVD files, you will see
> that
> > main.mdb and daily.mdb are the largest files inside each CVD. That is the
> > biggest part of the difference. The true "all signatures" count is
> printed
> > out in the "Known viruses" line of clamscan's output.
> >
> > Dave R.
> >
> I was lead to believe the "Known viruses" line of the clamscan output
> represents all _loaded_ signatures, which may not include optional
> signatures such as PUA.
>
>
> -Al-
>
> --
> Al Varnell
> Mountain View, CA
>
>
>
> _______________________________________________
> Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
> http://www.clamav.net/support/ml
>
_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

Reply via email to