ET INFO DYNAMIC_DNS Query to a *.d-n-s .org .uk Domain

Query · suricata

dns.query;
content:".d-n-s.org.uk"; fast_pattern; nocase; endswith;
Raw source ET INFO DYNAMIC_DNS Query to a *.d-n-s .org .uk 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 a *.d-n-s .org .uk Domain";
    dns.query;
    content:".d-n-s.org.uk"; fast_pattern; nocase; endswith;
    reference:url,freedns.afraid.org/domain/registry/page-2.html;
    classtype:bad-unknown;
    sid:2040231; rev:2;
    metadata:attack_target Client_and_Server, created_at 2022_11_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_03_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;
)

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