ET POLICY DynDNS CheckIp External IP Address Server Response

Query · suricata

flow:established,to_client;
http.header;
content:"Server|3A 20|DynDNS-CheckIP/";
Raw source ET POLICY DynDNS CheckIp External IP Address Server Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET POLICY DynDNS CheckIp External IP Address Server Response";
    flow:established,to_client;
    http.header;
    content:"Server|3A 20|DynDNS-CheckIP/";
    classtype:external-ip-check;
    sid:2014932; rev:3;
    metadata:created_at 2012_06_22, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;
)

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