ET HUNTING HTTP Request for OpenNIC API GeoIP Request

Query · suricata

flow:established,to_server;
http.uri;
content:"/geoip"; nocase; startswith;
http.host;
content:"api.opennicproject.org"; bsize:22; fast_pattern;
Raw source ET HUNTING HTTP Request for OpenNIC API GeoIP Request · 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 HUNTING HTTP Request for OpenNIC API GeoIP Request";
    flow:established,to_server;
    http.uri;
    content:"/geoip"; nocase; startswith;
    http.host;
    content:"api.opennicproject.org"; bsize:22; fast_pattern;
    reference:url,wiki.opennic.org/API;
    classtype:bad-unknown;
    sid:2032745; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_04_12, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_12;
)

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