alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Volatile Cedar Win32.Explosive HTTP CnC Beacon 1"; flow:established,to_server; http.uri; content:".php?micro="; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|.NET CLR 2.0.50727)"; depth:80; fast_pattern; reference:url,checkpoint.com/downloads/volatile-cedar-technical-report.pdf; classtype:command-and-control; sid:2020813; rev:5; metadata:attack_target Client_Endpoint, created_at 2015_03_31, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_05_21, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)