alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE FighterPOS CnC Beacon 1";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/command.php?id="; fast_pattern;
content:"&os=";
content:"&com=";
content:"&ver=";
http.header_names;
content:!"User-Agent|0d 0a|";
content:!"Accept";
content:!"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:2020918; rev:4;
metadata:attack_target Client_Endpoint, created_at 2015_04_16, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_09_30, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)