ET POLICY DNS Query to .onion proxy Domain (tor4free.org)

Query · suricata

dns.query;
content:".tor4free.org"; fast_pattern; endswith; nocase;
Raw source ET POLICY DNS Query to .onion proxy Domain (tor4free.org) · 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 POLICY DNS Query to .onion proxy Domain (tor4free.org)";
    dns.query;
    content:".tor4free.org"; fast_pattern; endswith; nocase;
    reference:url,en.wikipedia.org/wiki/Tor_(anonymity_network);
    classtype:policy-violation;
    sid:2020686; rev:6;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2015_03_12, deployment Perimeter, confidence Medium, signature_severity Informational, tag DNS_Onion_Query, updated_at 2020_09_17;
)

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