alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Win32.Downloader.pgp Checkin"; flow:established,to_server; content:"?id="; http_uri; content:"&e="; http_uri; content:"&err="; http_uri; content:"&c="; http_uri; classtype:trojan-activity; sid:2008492; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)