[Snort-users] False positives on mysql traffic

Joel Esler (jesler) jesler at ...589...
Tue Feb 24 06:54:39 EST 2015


Is it possible you can provide a pcap of the false positive triggering?

--
Joel Esler
Sent from my iPhone

On Feb 23, 2015, at 9:48 PM, James Dickenson <jdickenson at ...11827...<mailto:jdickenson at ...11827...>> wrote:

Has anyone else noticed these signatures creating false positives on mysql traffic (usually 3306).

Anyone have any thoughts on how to tune it out?



alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC Win.Trojan.NetWiredRC variant registration message"; flow:to_server,established; content:"|41 00 00 00 03|"; depth:5; dsize:<160; metadata:impact_flag red, policy balanced-ips drop, policy security-ips drop; reference:url,www.circl.lu/pub/tr-23/<http://www.circl.lu/pub/tr-23/>; classtype:trojan-activity; sid:32609; rev:2;)

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC Win.Trojan.NetWiredRC variant keepalive"; flow:to_server,established; content:"|01 00 00 00 02|"; depth:5; dsize:5; metadata:impact_flag red, policy balanced-ips drop, policy security-ips drop; reference:url,www.circl.lu/pub/tr-23/<http://www.circl.lu/pub/tr-23/>; classtype:trojan-activity; sid:32610; rev:1;)


-James
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