ET MALWARE [Fireeye] Backdoor.BEACON M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"name=|22|";
content:"|22 3b|filename=|22|";
content:"|22 0a|Content-Type|3a|"; fast_pattern;
Raw source ET MALWARE [Fireeye] Backdoor.BEACON M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE [Fireeye] Backdoor.BEACON M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"name=|22|";
    content:"|22 3b|filename=|22|";
    content:"|22 0a|Content-Type|3a|"; fast_pattern;
    reference:url,www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html;
    classtype:trojan-activity;
    sid:2031323; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2020_12_14, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2020_12_14, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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