ET INFO DYNAMIC_DNS Query to *.myddns.me Domain

Query · suricata

flow:established,to_server;
threshold:type limit, count 1, track by_src, seconds 120;
dns.query;
content:".myddns.me"; fast_pattern; nocase; endswith;
Raw source ET INFO DYNAMIC_DNS Query to *.myddns.me 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 *.myddns.me Domain";
    flow:established,to_server;
    threshold:type limit, count 1, track by_src, seconds 120;
    dns.query;
    content:".myddns.me"; fast_pattern; nocase; endswith;
    classtype:bad-unknown;
    sid:2027287; rev:6;
    metadata:attack_target Client_and_Server, created_at 2019_04_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag DynamicDNS, updated_at 2023_04_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;
)

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