alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Sefnit Checkin 3"; flow:established,to_server; content:"?re="; http_uri; content:"&r="; distance:0; http_uri; content:"&u="; distance:0; http_uri; content:"&cid="; distance:0; http_uri; content:"&rc="; distance:0; http_uri; content:"&pa="; distance:0; http_uri; content:"&ref1="; distance:0; http_uri; content:"&ref2="; distance:0; http_uri; classtype:trojan-activity; sid:2014246; rev:3; metadata:created_at 2012_02_21, signature_severity Unknown, updated_at 2019_07_26;)