ET MALWARE ELF/MooBot Mirai DDoS Variant Server Response

Query · suricata

flow:established,to_client;
dsize:3;
content:"|33 66 99|";
Raw source ET MALWARE ELF/MooBot Mirai DDoS Variant Server 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 !443 -> $HOME_NET any (
    msg:"ET MALWARE ELF/MooBot Mirai DDoS Variant Server Response";
    flow:established,to_client;
    dsize:3;
    content:"|33 66 99|";
    reference:md5,0e4c2aa30a72fd75ef49c430fd767fa0;
    reference:url,blog.netlab.360.com/ddos-botnet-moobot-en;
    classtype:command-and-control;
    sid:2030489; rev:2;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2020_07_09, deployment Perimeter, malware_family Mirai, malware_family MooBot, confidence High, signature_severity Major, updated_at 2021_09_02;
)

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