ET WORM W32/Njw0rm CnC Beacon

Query · suricata

flow:established,to_server;
content:"lv0njxq80"; depth:9;
content:"njxq80"; distance:0;
Raw source ET WORM W32/Njw0rm 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 -> $EXTERNAL_NET any (
    msg:"ET WORM W32/Njw0rm CnC Beacon";
    flow:established,to_server;
    content:"lv0njxq80"; depth:9;
    content:"njxq80"; distance:0;
    reference:url,www.fireeye.com/blog/technical/malware-research/2013/08/njw0rm-brother-from-the-same-mother.html;
    reference:md5,4c60493b14c666c56db163203e819272;
    reference:md5,b0e1d20accd9a2ed29cdacb803e4a89d;
    classtype:command-and-control;
    sid:2017404; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2013_08_31, deployment Perimeter, 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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