alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Yahoo Credential Phish 2015-10-03"; flow:to_server,established; http.method; content:"POST"; http.request_body; content:".tries="; depth:7; fast_pattern; nocase; content:"&.challenge="; nocase; distance:0; content:"&login="; nocase; distance:0; content:"&passwd="; nocase; distance:0; classtype:credential-theft; sid:2031776; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_10_03, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)