alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Docusign/O365 Phish 2016-07-15"; flow:to_server,established; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"UserName="; depth:9; content:"&Password"; nocase; distance:0; fast_pattern; content:"&AuthMethod=FormsAuth"; nocase; distance:0; classtype:credential-theft; sid:2032687; rev:7; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2016_07_15, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_09_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)