alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Unknown Malware Checkin Possibly ZeuS"; flow:established,to_server; content:"POST"; http_method; content:"/rssfeed.php"; http_uri; content:"bn1="; http_client_body; content:"&sk1="; http_client_body; classtype:trojan-activity; sid:2014178; rev:2; metadata:created_at 2012_02_03, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)