alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Suspicious SSN Parameter in HTTP POST - Possible Phishing"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"&ssn="; nocase; classtype:trojan-activity; sid:2026908; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_02_14, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)