alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE General Downloader or Virut C&C Ack"; flow:established,to_server; content:"uid="; nocase; http_uri; content:"&version="; nocase; http_uri; content:"&actionname="; nocase; http_uri; content:"&action="; nocase; http_uri; content:"&success="; nocase; http_uri; content:"&debug="; nocase; http_uri; content:"&nocache="; nocase; http_uri; classtype:command-and-control; sid:2007587; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)