ET MALWARE SuperCMD CnC Beacon

Query · suricata

flow:established,to_server;
content:"windows update "; depth:15;
pcre:"/^[A-F0-9]+\x00/R";
Raw source ET MALWARE SuperCMD CnC Beacon · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> any any (
    msg:"ET MALWARE SuperCMD CnC Beacon";
    flow:established,to_server;
    content:"windows update "; depth:15;
    pcre:"/^[A-F0-9]+\x00/R";
    reference:md5,816db8a1916201309d2a24b4a745305b;
    reference:url,blogs.rsa.com/supercmd-rat/;
    classtype:command-and-control;
    sid:2024273; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_05_04, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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