RE: Automated analysis of logs?

["Moeckel, Sharon" <smoeckel () co bucks pa us>]

There is a pretty good log analysis mail list.  You can sign up at:

http://lists.shmoo.com/mailman/listinfo/loganalysis


-----Original Message-----
From: Mark G. Spencer [mailto:mspencer () evidentdata com]
Sent: Tuesday, April 08, 2003 1:28 PM
To: security-basics () securityfocus com
Subject: Automated analysis of logs?


I read through much of the prior thread on analysis of logs and apparently
the applications mentioned will provide statistics, but they don't actually
make any determinations about activity. 

Are there any open-source applications that I can drop various kinds of logs
into (especially IIS logs) and get not only statistics, but information
and/or "warnings" about various kind of known activity?  Things like Nimda
scanning, backdoor attempts, etc.  I'm not looking for 100% precision when
identifying activity, but if I can identify or in some cases filter out all
known activity and concentrate on unknown, that would be really helpful.

The last time I went through an IIS log I put together a homegrown Access
database and began classifying activity.  You can imagine the amount of time
this took .. ;)

I know some people are more proactive about this and stick a Snort box
upstream, but in most cases I am responding to an event where the deed has
been done and I can't go back in time, so I only have logs available to me.

If there are no OS solutions, is there a well regarded commercial product
that can do this?

Mark


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