alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED Trojan.StartPage activity"; flow:to_server,established; content:"GET"; depth:3; http_method; content:"stat.htm?id="; http_uri; content:"&r="; http_uri; content:"&lg="; http_uri; content:"&ntime="; http_uri; content:"&repeatip="; http_uri; content:"&rtime="; http_uri; content:"&cnzz|5f|eid="; http_uri; content:"|2d|&showp="; http_uri; content:"&st="; http_uri; content:"&sin"; http_uri; content:"&res="; http_uri; classtype:trojan-activity; sid:2011228; rev:3; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)