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;
)