ET MALWARE Bladabindi/njrat CnC Keep-Alive (OUTBOUND)

Query · suricata

flow:to_server,established;
content:"P[endof]";
dsize:8;
Raw source ET MALWARE Bladabindi/njrat CnC Keep-Alive (OUTBOUND) · 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 Bladabindi/njrat CnC Keep-Alive (OUTBOUND)";
    flow:to_server,established;
    content:"P[endof]";
    dsize:8;
    reference:url,threatgeek.com/2013/07/njrat-detection-rules-using-yara-.html;
    classtype:command-and-control;
    sid:2017418; rev:2;
    metadata:created_at 2013_09_05, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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