ET INFO Observed DNS Query to *.ngrok Domain (ngrok .pro)

Query · suricata

dns.query; dotprefix;
content:".ngrok.pro"; nocase; endswith;
target:src_ip;
Raw source ET INFO Observed DNS Query to *.ngrok Domain (ngrok .pro) · 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 Observed DNS Query to *.ngrok Domain (ngrok .pro)";
    dns.query; dotprefix;
    content:".ngrok.pro"; nocase; endswith;
    classtype:misc-activity;
    sid:2059169; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2025_01_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2025_01_14, reviewed_at 2025_08_26, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1572, mitre_technique_name Protocol_Tunneling;
    target:src_ip;
)

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