ET PHISHING Javascript Browser Fingerprinting POST Request

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"data=%7B%22screen%22%3A%7B%22"; fast_pattern; startswith; nocase;
content:"%7D%2C%22window%22%3A%7B%22"; nocase; distance:0;
target:dest_ip;
Raw source ET PHISHING Javascript Browser Fingerprinting POST Request · 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 -> any any (
    msg:"ET PHISHING Javascript Browser Fingerprinting POST Request";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"data=%7B%22screen%22%3A%7B%22"; fast_pattern; startswith; nocase;
    content:"%7D%2C%22window%22%3A%7B%22"; nocase; distance:0;
    reference:url,site4-security.com/uncategorized/browser-fingerprinting-in-phishing/;
    classtype:social-engineering;
    sid:2056643; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_10_14, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Critical, tag Phishing, updated_at 2024_10_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
    target:dest_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.