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;)