alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Asprox Form Submission to C&C"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/forum.php"; nocase; http.content_type; content:"multipart/form-data|3b 20|boundary=1BEF0A57BE110FD467A"; startswith; classtype:command-and-control; sid:2009054; rev:9; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)