ET MALWARE Win32/Denisca.A CnC Beacon 2

Query · suricata

dsize:37;
content:"|2a 26|"; depth:2;
content:"|26 5e|"; distance:22; fast_pattern;
Raw source ET MALWARE Win32/Denisca.A CnC Beacon 2 · 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 udp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Denisca.A CnC Beacon 2";
    dsize:37;
    content:"|2a 26|"; depth:2;
    content:"|26 5e|"; distance:22; fast_pattern;
    reference:md5,aaa4304dd5f22a017930a9eeebc8898f;
    classtype:command-and-control;
    sid:2021389; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2015_07_07, deployment Perimeter, malware_family Win32_Denisca_A, 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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