alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Nanspy Bot Checkin"; flow:established,to_server; http.method; content:"HEAD"; nocase; http.uri; content:"/bbcount.php?action="; fast_pattern; content:"&uid="; content:"&locale="; content:"&build="; classtype:command-and-control; sid:2010158; rev:7; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_16;)