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Re: Snort 2.9.0.2 / barnyard2 / base 1.4.5 signature not displayed and is unclassified
From: Kevin Ross <kevross33 () googlemail com>
Date: Fri, 17 Dec 2010 16:40:51 +0000

You need to include your gen-msg.map file in barnyard.conf. What it means if
a number and GID is showing in the name in base instead of a proper name is
that it doesn't have a -msg.map file such as it is missing from sid-msg.map,
gen-msg.map etc. If you include them to be used then the name will appear.
You may enounter the same issue if you do not update your sid-msg.map file
and alerts appear for stuff (if you don't do it by script).

On 17 December 2010 15:43, JS <jspudz () yahoo com> wrote:

All,

I recently decided to update my IDS(RHEL 5) to use the latest versions of
snort, barnyard, and base. Previously this was all working fine. I am able
to compile snort 2.9.0.2, barnyard2, and base 1.4.5 just fine. Everything is
working except for a few signatures showing up in Base.

They are logging fine to my db, its just that a few of the alerts are
showing up as "unclassified" and the Signature is displaying as " Snort
Alert [129:15:0] ". I also see the same events logged for signatures 120:3:0
and 129:16:0. Now I did use the snort rules 2.9.0.1 as 2.9.0.2 are not out
yet so I'm not sure if that is causing a problem or not..

I also created a new db, from the create_mysql included in snort 2.9.0.2. I
then copied over the sid-msg.map, gen-msg.map, classification.config,
unicode.map, and reference.config to the /etc/snort directory that were
included in snort.2.9.0.2 tar file.

I looked in the gen-msg.map file and I only see it going up to "14" for the
129 stream5 event. Could this be the problem? Snippit below:

--snippet from gen-msg.map--
129 || 13 || stream5: TCP 4-way handshake detected
129 || 14 || stream5: TCP Timestamp is missing
130 || 1 || dcerpc: Maximum memory usage reached
131 || 1 || dns: Obsolete DNS RData Type
 --end snippet--

Have  I missed a step somewhere ? I have never seen this happen in my other
snort deployments utilizing this same setup.

Thanks,
Joe



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