alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED Silentbanker/Yaludle Checkin to C&C"; flow:to_server,established; content:"GET"; depth:3; http_method; content:".php?id="; nocase; http_uri; content:"&c="; nocase; content:"&v="; nocase; content:"&b="; nocase; content:"&z="; nocase; classtype:trojan-activity; sid:2009542; rev:5; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)