alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING HTTP POST to XYZ TLD Containing Pass - Possible Phishing"; flow:established,to_server; http.method; content:"POST"; http.host; content:".xyz"; endswith; fast_pattern; http.request_body; content:"pass"; nocase; classtype:misc-activity; sid:2031189; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2020_11_09, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Relevance, confidence High, signature_severity Informational, tag Phishing, updated_at 2026_05_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)