ET MALWARE Bladabindi/njrat CnC Command Response (Remote Desktop)

Query · suricata

flow:to_server,established;
content:"scPK|7c 27 7c 27 7c|"; depth:9;
dsize:>0;
Raw source ET MALWARE Bladabindi/njrat CnC Command Response (Remote Desktop) · 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 MALWARE Bladabindi/njrat CnC Command Response (Remote Desktop)";
    flow:to_server,established;
    content:"scPK|7c 27 7c 27 7c|"; depth:9;
    dsize:>0;
    reference:url,threatgeek.com/2013/07/njrat-detection-rules-using-yara-.html;
    classtype:command-and-control;
    sid:2017423; rev:2;
    metadata:created_at 2013_09_05, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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