alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Dynamic Folder Phish M2 2016-12-02"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; nocase; http.request_body; content:"userid="; fast_pattern; startswith; nocase; content:"&password="; 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:2032723; rev:7; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_12_02, 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;)