ET MALWARE Mirai Variant Checkin Response

Query · suricata

flow:established,to_client;
content:"|21 2a 20|LOLNOBYE"; endswith;
Raw source ET MALWARE Mirai Variant Checkin Response · 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 1024: -> $HOME_NET any (
    msg:"ET MALWARE Mirai Variant Checkin Response";
    flow:established,to_client;
    content:"|21 2a 20|LOLNOBYE"; endswith;
    reference:url,www.stratosphereips.org/blog/2019/5/17/iot-malware-analysis-series-a-mirai-variant-in-ctu-iot-malware-capture-49-1;
    classtype:command-and-control;
    sid:2027366; rev:2;
    metadata:affected_product Linux, attack_target IoT, created_at 2019_05_20, deployment Perimeter, malware_family Mirai, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_09_28;
)

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