ET INFO DNS Query to a *.ngrok domain (ngrok.io)

Query · suricata

dns.query;
content:".ngrok.io"; fast_pattern; endswith; nocase;
Raw source ET INFO DNS Query to a *.ngrok domain (ngrok.io) · 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 $HOME_NET any -> any any (
    msg:"ET INFO DNS Query to a *.ngrok domain (ngrok.io)";
    dns.query;
    content:".ngrok.io"; fast_pattern; endswith; nocase;
    classtype:misc-activity;
    sid:2022642; rev:7;
    metadata:created_at 2016_03_23, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;
)

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