ET MALWARE ELF/MooBot Mirai DDoS Variant CnC Checkin M3

Query · suricata

flow:established,to_server;
stream_size:server,<,5;
dsize:6;
content:"|13 11 18 19 01 68|";
Raw source ET MALWARE ELF/MooBot Mirai DDoS Variant CnC Checkin M3 · 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 ![443,80] (
    msg:"ET MALWARE ELF/MooBot Mirai DDoS Variant CnC Checkin M3";
    flow:established,to_server;
    stream_size:server,<,5;
    dsize:6;
    content:"|13 11 18 19 01 68|";
    reference:md5,b3be367b4868d39d6978d27f4d4dfaaf;
    reference:url,www.fortinet.com/blog/threat-research/mirai-based-botnet-moobot-targets-hikvision-vulnerability;
    reference:url,blog.netlab.360.com/ddos-botnet-moobot-en/;
    classtype:command-and-control;
    sid:2034638; rev:2;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2021_12_09, deployment SSLDecrypt, malware_family ELF_MooBot, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_09;
)

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