ET MALWARE Win32/Boaxxe.BR CnC Beacon

Query · suricata

flow:established,to_server;
content:"|7c|CM01|7c|CM02|7c|CM03|7c|";
content:!">";
Raw source ET MALWARE Win32/Boaxxe.BR CnC Beacon · Suricata
Esc
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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Boaxxe.BR CnC Beacon";
    flow:established,to_server;
    content:"|7c|CM01|7c|CM02|7c|CM03|7c|";
    content:!">";
    reference:md5,ec38ae7c35be4d7f8103bf1db692d2f8;
    classtype:command-and-control;
    sid:2021748; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2015_09_08, deployment Perimeter, malware_family Win32_Boaxxe_BR, 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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