alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FighterPOS CnC Beacon 3"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/keylogger.php?id="; fast_pattern; content:"&com="; content:"&key="; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|accept"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,b0416d389b0b59776fe4c4ddeb407239; reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/reports/wp-fighterpos.pdf; classtype:command-and-control; sid:2020920; rev:5; metadata:attack_target Client_Endpoint, created_at 2015_04_16, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_04_21, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)