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

Query · suricata

flow:from_server,established;
content:"P[endof]";
dsize:8;
Raw source ET MALWARE Bladabindi/njrat CnC Keep-Alive (INBOUND) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Bladabindi/njrat CnC Keep-Alive (INBOUND)";
    flow:from_server,established;
    content:"P[endof]";
    dsize:8;
    reference:md5,0ae2261385c482d55519be9b0e4afef3;
    reference:url,anubis.iseclab.org/?action=result&task_id=1043e1f5f61319b944d51d0d6d7e23f2e;
    reference:md5,41a0a4c0831dbcbbfd877c7d37b671e0;
    reference:url,www.fireeye.com/blog/technical/botnet-activities-research/2012/09/the-story-behind-backdoorlv.html;
    classtype:command-and-control;
    sid:2017417; rev:9;
    metadata:created_at 2012_07_31, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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