alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED perlb0t/w0rmb0t Response (Case 1)"; flow:established,to_server; flowbits:isset,is_proto_irc; content:"|3A 02 5B|"; content:"|5B 02|"; within:32; pcre:"/\x3A\x02\x5B(Atk33|Exploiting|Finished|GOOGLE.*|HTTP.{0,8}|PKS-SCAN.{0,20}|Results|RSH|SCAN|TCP.{0,8}|UDP.{0,8}|v6.{0,12}|VERSION)\x5D\x02/i"; classtype:trojan-activity; sid:2006910; rev:7; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)