alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Tibs Checkin 2"; flow:established,to_server; http.uri; content:"/cntr.php?e="; fast_pattern; nocase; content:"&x="; nocase; classtype:command-and-control; sid:2002961; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_10;)