False positives on mysql traffic

[James Dickenson <jdickenson () gmail com>]

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/;
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/; classtype:trojan-activity; sid:32610; rev:1;)


-James

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