alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Dynamic Folder Phishing 2016-01-08"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php?"; nocase; http.header; content:".php?"; http.request_body; content:"user="; fast_pattern; startswith; nocase; content:"&pass="; nocase; distance:0; http.start; pcre:"/^POST[^\r\n]+(?P<hash>[a-f0-9]{32})\/(?:[^\r\n]+\r\n)+Referer\x3a\x20http(s)?:\/\/[^\r\n]+(?P=hash)/mi"; classtype:credential-theft; sid:2032670; rev:8; metadata:attack_target Client_Endpoint, created_at 2016_01_08, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2024_04_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)