ET INFO DNS Query for Suspicious .icu Domain

Query · suricata

threshold:type limit, count 1, track by_src, seconds 120;
dns.query;
content:".icu"; nocase; endswith;
Raw source ET INFO DNS Query for Suspicious .icu 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 DNS Query for Suspicious .icu Domain";
    threshold:type limit, count 1, track by_src, seconds 120;
    dns.query;
    content:".icu"; nocase; endswith;
    classtype:bad-unknown;
    sid:2026888; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2019_02_06, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_21;
)

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