alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Successful Generic Phish - Three Security Questions"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"q1="; content:"&answer1="; distance:0; fast_pattern; content:"&q2="; distance:0; content:"&answer2="; distance:0; content:"&q3="; distance:0; content:"&answer3="; distance:0; classtype:credential-theft; sid:2021693; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_08_19, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)