alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Nanspy Bot Checkin"; flow:established,to_server; content:"HEAD"; nocase; http_method; content:"/bbcount.php?action="; http_uri; content:"&uid="; http_uri; content:"&locale="; http_uri; content:"&build="; http_uri; classtype:command-and-control; sid:2010158; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)