ET MALWARE W32/Pgift.Backdoor APT CnC Beacon

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/Pgift.Backdoor APT CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/pgift.asp"; fast_pattern;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b|)"; bsize:25;
    http.header_names;
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:url,www.fireeye.com/blog/technical/threat-intelligence/2014/07/spy-of-the-tiger.html;
    classtype:targeted-activity;
    sid:2018869; rev:6;
    metadata:attack_target Client_Endpoint, created_at 2014_08_01, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_09_25, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)