ET MALWARE Possible Linux.Mirai Login Attempt (klv1234)

Query · suricata

flow:to_server,established;
content:"klv1234|0d 0a|"; nocase;
dsize:9;
Raw source ET MALWARE Possible Linux.Mirai Login Attempt (klv1234) · Suricata
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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 [23,2323] (
    msg:"ET MALWARE Possible Linux.Mirai Login Attempt (klv1234)";
    flow:to_server,established;
    content:"klv1234|0d 0a|"; nocase;
    dsize:9;
    reference:url,krebsonsecurity.com/2016/10/who-makes-the-iot-things-under-attack;
    classtype:attempted-admin;
    sid:2023444; rev:2;
    metadata:affected_product Linux, attack_target IoT, created_at 2016_10_26, deployment Datacenter, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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