alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Patchwork APT CnC Beacon 2"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".php?profile="; content:"&ddager="; distance:0; fast_pattern; http.header_names; content:!"Accept"; content:!"Referer|0d 0a|"; reference:md5,4027e40dc474f595d46a59f2eaaa4e8d; classtype:command-and-control; sid:2028919; rev:3; metadata:attack_target Client_Endpoint, created_at 2016_06_02, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_07_14, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)