alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED Bredavi Checkin"; flow:established,to_server; content:".php?id="; nocase; http_uri; content:"&ver="; nocase; http_uri; content:"&up="; nocase; http_uri; content:"&os="; http_uri; nocase; classtype:trojan-activity; sid:2010791; rev:3; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)