ET POLICY Dyndns Client IP Check

Query · suricata

flow:established,to_server;
http.user_agent;
content:"DynDNS-Client"; depth:13;
http.host;
content:"checkip.dyndns.";
Raw source ET POLICY Dyndns Client IP Check · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET POLICY Dyndns Client IP Check";
    flow:established,to_server;
    http.user_agent;
    content:"DynDNS-Client"; depth:13;
    http.host;
    content:"checkip.dyndns.";
    classtype:not-suspicious;
    sid:2014091; rev:4;
    metadata:created_at 2012_01_03, signature_severity Informational, updated_at 2020_08_18;
)

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