ET INFO HTTP API Request to Events Endpoint with X-Public-Key header

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/api/v1/counter/"; startswith;
content:"|3f|events=|2f|"; within:150;
http.header;
content:"X-Public-Key|3a 20|"; fast_pattern;
pcre:"/^(?:\x22|\x27)[A-Za-z0-9]{32}/R";
target:src_ip;
Raw source ET INFO HTTP API Request to Events Endpoint with X-Public-Key header · 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 HTTP API Request to Events Endpoint with X-Public-Key header";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/api/v1/counter/"; startswith;
    content:"|3f|events=|2f|"; within:150;
    http.header;
    content:"X-Public-Key|3a 20|"; fast_pattern;
    pcre:"/^(?:\x22|\x27)[A-Za-z0-9]{32}/R";
    classtype:misc-activity;
    sid:2060656; rev:1;
    metadata:affected_product Any, attack_target Client_and_Server, tls_state TLSDecrypt, created_at 2025_03_06, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Minor, updated_at 2025_03_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
    target:src_ip;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.