ET HUNTING Suspicious Registrar Nameservers in DNS Response (carbon2u)

Query · suricata

content:"|00 02 00 01|";
content:"|03|ns1|08|carbon2u|03|com|00|"; distance:14; within:18; fast_pattern;
Raw source ET HUNTING Suspicious Registrar Nameservers in DNS Response (carbon2u) · 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 dns any any -> $HOME_NET any (
    msg:"ET HUNTING Suspicious Registrar Nameservers in DNS Response (carbon2u)";
    content:"|00 02 00 01|";
    content:"|03|ns1|08|carbon2u|03|com|00|"; distance:14; within:18; fast_pattern;
    classtype:bad-unknown;
    sid:2027471; rev:1;
    metadata:created_at 2019_06_14, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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