ET INFO DYNAMIC_DNS Query to *.dyndns. Domain

Query · suricata

dns.query;
content:".dyndns."; nocase;
content:!"update.dyndns.org"; depth:17;
content:!"checkip.dyndns.org"; depth:18;
Raw source ET INFO DYNAMIC_DNS Query to *.dyndns. Domain · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert dns $HOME_NET any -> any any (
    msg:"ET INFO DYNAMIC_DNS Query to *.dyndns. Domain";
    dns.query;
    content:".dyndns."; nocase;
    content:!"update.dyndns.org"; depth:17;
    content:!"checkip.dyndns.org"; depth:18;
    classtype:misc-activity;
    sid:2012758; rev:8;
    metadata:created_at 2011_05_02, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_09;
)

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