alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Feral Checkin via HTTP"; flow:established,to_server; content:"?ucid="; nocase; http_uri; content:"&wmid="; nocase; http_uri; classtype:trojan-activity; sid:2007286; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)