ET MALWARE [Fireeye] Backdoor.BEACON M3

Query · suricata

flow:established,from_server;
file.data;
content:"<title>Woman-Five-How-To-Why-Your-Celebrating-Learn-Brand</title>";
Raw source ET MALWARE [Fireeye] Backdoor.BEACON M3 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE [Fireeye] Backdoor.BEACON M3";
    flow:established,from_server;
    file.data;
    content:"<title>Woman-Five-How-To-Why-Your-Celebrating-Learn-Brand</title>";
    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:2031356; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, 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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