ET POLICY External IP Lookup (api .ipstack .com)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.host; bsize:15;
content:"api.ipstack.com"; fast_pattern;
http.uri;
content:"?access_key=";
Raw source ET POLICY External IP Lookup (api .ipstack .com) · Suricata
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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 External IP Lookup (api .ipstack .com)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.host; bsize:15;
    content:"api.ipstack.com"; fast_pattern;
    http.uri;
    content:"?access_key=";
    classtype:external-ip-check;
    sid:2029694; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2020_03_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_09_19, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;
)

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