ET INFO External IP Lookup (keycdn .com)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.user_agent;
content:"keycdn-tools|3a|"; fast_pattern;
http.uri;
content:"/geo.json?host="; startswith;
http.host;
content:"tools.keycdn.com"; bsize:16;
Raw source ET INFO External IP Lookup (keycdn .com) · 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 INFO External IP Lookup (keycdn .com)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.user_agent;
    content:"keycdn-tools|3a|"; fast_pattern;
    http.uri;
    content:"/geo.json?host="; startswith;
    http.host;
    content:"tools.keycdn.com"; bsize:16;
    reference:url,tools.keycdn.com/geo;
    classtype:bad-unknown;
    sid:2039772; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_11_14, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;
)

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