alert tcp $EXTERNAL_NET 6667 -> $HOME_NET any (msg:"ET DELETED iroffer IRC Bot help message"; flow:from_server,established; content:"|54 6F 20 72 65 71 75 65 73 74 20 61 20 66 69 6C 65 20 74 79 70 65 3A 20 22 2F 6D 73 67|"; depth:500; reference:url,iroffer.org; classtype:trojan-activity; sid:2000338; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)