alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE AryaN IRC bot Botkill command"; flow:established,to_server; content:"PRIVMSG "; depth:8; content:"Botkill|3a| Cycled once"; classtype:trojan-activity; sid:2017059; rev:1; metadata:created_at 2013_06_25, signature_severity Major, updated_at 2019_07_26;)