alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Citizenbank Phish 2016-05-24 M1"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"CSRF_TOKEN="; startswith; content:"&initlogin="; distance:0; content:"&UserID="; distance:0; nocase; content:"&passs="; distance:0; fast_pattern; content:"&btnLogin="; distance:0; classtype:credential-theft; sid:2031987; rev:5; metadata:attack_target Client_Endpoint, created_at 2016_05_24, 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;)