ET INFO External IP Lookup via Country .is

Query · suricata

flow:established,to_server;
urilen:1;
http.method;
content:"GET";
http.uri;
content:"/";
http.host; bsize:14;
content:"api.country.is"; fast_pattern;
http.content_len; bsize:1;
content:"0";
target:src_ip;
Raw source ET INFO External IP Lookup via Country .is · 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 via Country .is";
    flow:established,to_server;
    urilen:1;
    http.method;
    content:"GET";
    http.uri;
    content:"/";
    http.host; bsize:14;
    content:"api.country.is"; fast_pattern;
    http.content_len; bsize:1;
    content:"0";
    classtype:misc-activity;
    sid:2061045; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_03_25, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2025_03_25, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;
    target:src_ip;
)

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