Re: Interesting attempts (I hope)
<[email protected]> Tue, 31 May 2005 13:49:06 -0500 (CDT)
| Newsgroups | gmane.comp.security.intrusions |
|---|---|
| Message-ID | <[email protected]> |
It would be really good to get some raw packets. I'd be interested in finding out how long the fragments are, payload, what offset etc. Also did this occur for a long period of time, or in bursts of a few seconds every hour? I saw something similar hitting my perimeter a while back (repeated patterned traffic looking alot like this) that appeared to be coming from a reputable source. I chalked it up to a load balancer, but I'm not completely sure that's what it was. Are there documented, traffic signatures generated from network load balancers from the various vendors out there? It would be nice to rule that out from the get go. Haven't finished analysis yet but I'm seeing a repeated attempt to compromise a DNS/SMPT server (192.168.99.10). Not sure what the attempt is. Any suggestions? May 30 18:05:05 192.168.1.4 pix01: device_id=pix01 [Root]system-critical-00440: Fragmented traffic! From 142.46.146.6:53 to 192.168.99.10 :61113, proto UDP (zone Untrust, int ethernet1). Occurred 1 times. (2005-05-30 18:05:05) May 30 18:05:05 192.168.1.4 pix01: device_id=pix01 [Root]system-critical-00440: John _______________________________________________ Intrusions mailing list [email protected] http://www.dshield.org/mailman/listinfo/intrusions _______________________________________________ Intrusions mailing list [email protected] http://www.dshield.org/mailman/listinfo/intrusions