alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful HMRC Phish Oct 18 2017"; flow:to_server,established; http.method; content:"POST"; http.request_body; content:"name="; depth:5; nocase; content:"&email="; nocase; distance:0; content:"&ccname="; nocase; distance:0; fast_pattern; content:"&ccn"; nocase; distance:0; content:"&ccexp="; nocase; distance:0; content:"&secode="; nocase; distance:0; content:"&sort"; nocase; distance:0; classtype:credential-theft; sid:2024850; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_10_18, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)