alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful OWA Account Phish 2015-08-21"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/submit"; pcre:"/\/submit$/"; http.request_body; content:"form-data|3b 20|name=|22|todo|22|"; nocase; fast_pattern; content:"|0d 0a|submit|0d 0a|"; nocase; distance:0; content:"form-data|3b 20|name=|22|Email|22|"; nocase; distance:0; content:"form-data|3b 20|name=|22|Text field"; distance:0; nocase; http.content_type; content:"multipart/form-data|3b 20|boundary=-------"; startswith; classtype:credential-theft; sid:2031820; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_08_21, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)