Re: Question about why/when VRT rules are commented out?

[JJ Cummings <cummingsj () gmail com>]

Andy,

if you look at the rule itself it has the balanced and security metadata
information defined.  These are the rulesets that this rule is defined to be
"enabled" in by default.  This metadata and capability to enable rules based
on such metadata is one of the reasons (and thusly features) that were built
into pulledpork.

The VRT reviews a number of factors when determining if a rule should be
enabled by default (in any base ruleset) and based on the result of this
evaluation (that includes factors such as rule overhead, known false
positive rate, impact, dispersion in the wild etc) the determination is made
as to default state and inclusion of the various metadata that defines
the respective (security, balanced or connectivity) based rulesets.

A description of these base rulesets can be found in the README.RULESET of
the current pulledpork tarball.

JJC

On Thu, Feb 18, 2010 at 11:10 AM, Andy Berryman <aberryman () cymtec com>wrote:

>  Just wondering why or how it is determined when sig's are commented out
> from the Certified VRT rule set? I was looking for the SID: 15481 Zbot sig
> this morning and saw that it was commented out in our Oinkmaster downloads.
> Just wondering why the #1 malware in the world would be commented out? Did
> it get replaced? I didn't see anything on snort.org or the forums or the
> mailing lists when I searched about it being removed or replaced.
>
>
>
> Thanks,
>
> Andy Berryman
>
>
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