alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Docusign Phish 2015-10-28"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"__EVENTTARGET="; startswith; nocase; fast_pattern; content:"txtDocuLogin="; nocase; distance:0; content:"txtDocuPassword="; nocase; distance:0; classtype:credential-theft; sid:2031847; rev:7; metadata:attack_target Client_Endpoint, created_at 2015_10_28, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2024_04_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)