alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE AryaN IRC bot Flood command"; flow:established,to_server; content:"PRIVMSG "; depth:8; content:"Flood|3a| Started [Type|3a|"; classtype:trojan-activity; sid:2017058; rev:1; metadata:created_at 2013_06_25, signature_severity Major, updated_at 2019_07_26;)