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Re: Unified Log Format
From: Martin Roesch <roesch () sourcefire com>
Date: Tue, 28 Jun 2005 22:35:03 -0400
Hi Mario, That's pretty cool, nice idea!If you want a comprehensive map of the SIDs (Snort ID's) of GID 1, you should look at the sid-msg.map file in the etc directory of your Snort distribution. SID 527 is a bad-traffic.rules detect for same source/dest IP in a packet. Typically you'll get these listening on loopback...
Basically you can infer the structure of the packet data that's stored in a unified log record based on the GID of the event. Typically the log data will be a standard Snort packet, but on aggregate event like a portscan you'll get our crammed packet type that we're overloading the field with. GIDs 100, 117, 121 and 122 are all various portscan detectors that have been built for Snort over the years, you might just want to skip those records...
-Marty On Jun 28, 2005, at 3:52 PM, Mario D. Santana wrote:
Hi, all. I've written a patch to Ethereal to allow it to load unified output and display the alert information as a top-level protocol. This lets you do things like search agains snort.sig_generator, etc.I'm not sure if this email should go to snort-dev, but I thought I'd give it a shot here first. BTW, if anyone wants to try out the patch, let me know off-list.The patch is pretty functional, but I've run into a couple of snags. One of these seems to be related to the "fake" packets generated by snort to identify port scans. But sometimes strange things happen, such as finding signal IDs of 527 for generator ID 1 -- is this valid?I've looked through the snort manual, the code, and other likely places. Any help or pointers would be appreciated.TIA, mds ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://www.geocrawler.com/redir-sf.php3?list=snort-users
-- Martin Roesch - Founder/CTO, Sourcefire Inc. - +1-410-290-1616Sourcefire - Network Defense for the Real World - http:// www.sourcefire.com Snort: Open Source Intrusion Detection and Prevention - http:// www.snort.org
------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://www.geocrawler.com/redir-sf.php3?list=snort-users
Current thread:
- Unified Log Format Mario D. Santana (Jun 28)
- Re: Unified Log Format Martin Roesch (Jun 28)
- Re: Unified Log Format Mario D. Santana (Jun 28)
- Re: Unified Log Format Martin Roesch (Jun 28)