alert tcp $HOME_NET any -> $EXTERNAL_NET !6666:7000 (msg:"ET MALWARE IRC Private message on non-standard port"; flow:to_server,established; dsize:<128; content:"PRIVMSG "; depth:8; content:!".twitch.tv"; content:!"twitch.tv|0d 0a|"; classtype:trojan-activity; sid:2000347; rev:17; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19, reviewed_at 2024_09_16;)