alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Impots.gouv.fr Phish M2 2015-08-21";
flow:to_server,established;
http.method;
content:"POST";
http.request_body;
content:"nom="; depth:4; nocase;
content:"&postale="; nocase; distance:0;
content:"&passtess="; nocase; distance:0;
content:"&ccnum="; distance:0; nocase; fast_pattern;
classtype:credential-theft;
sid:2031819; rev:4;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_08_21, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)