[Snort-sigs] [Snort-devel] New Proposed Classification.config file setup

Joshua.Kinard at ...3546... Joshua.Kinard at ...3546...
Fri Dec 24 00:17:19 EST 2010


Having a class & subclass mechanism would be really useful, IMHO.  It's
cleaner-reading than constantly linking the two together via a hyphen
and essentially repeating the class over and over again.  I can think of
some saner categorization ways w/ a setup like this.

--J 

-----Original Message-----
From: Martin Roesch [mailto:roesch at ...435...] 
Sent: Thursday, December 23, 2010 10:54 PM
To: Joel Esler
Cc: snort-sigs at lists.sourceforge.net; Emerging Sigs;
snort-users at lists.sourceforge.net; snort-devel at lists.sourceforge.net
Subject: Re: [Snort-devel] New Proposed Classification.config file setup

On Thu, Dec 23, 2010 at 5:27 PM, Joel Esler <jesler at ...435...>
wrote:
> As mentioned earlier, here's the proposed Classification.config file 
> setup posted and available for download here:
> http://blog.snort.org/2010/12/new-proposed-classificationconfig-file.h
> tml Please take a look, leave comments preferably on the blog, but 
> also here would be fine.


It appears that there's two levels of information here, why not have a
class and subclass?  For example:

classification: exploit-shellcode
classification: exploit-sql-injection
classification: exploit-browser

should maybe be

category: exploit; class: shellcode;
category: exploit; class: sql-injection;
category: exploit; class: browser;

Having the different levels of granularity could be useful for things
list real-time response mechanisms that act on just the category or
whatever.  Just thinking out loud here.

Furthermore, maybe we should be thinking about really fixing the
classification system with static value assignments for categories and
classes and mappings between values and human readable strings.  I
imagine this could make machine processing easier if we had output
options that could generate either (more easily) machine readable or
human readable data.  This would also make the runtime loading more
sane, no more classification.config line order-dependent
classifications.

I mean, if we're going to fix it why not fix it right?

Any log management/SIEM people paying attention on-list?  This is a
chance to make your lives easier if you've got any input!


Marty


--
Martin Roesch - Founder/CTO, Sourcefire Inc. - +1-410-290-1616
Sourcefire - Security for the Real World - http://www.sourcefire.com
Snort: Open Source IDP - http://www.snort.org

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