alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Mailbox Shutdown Phish M1 2016-05-16"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"pass1="; startswith; fast_pattern; nocase; content:"&pass2="; nocase; distance:0; content:"&email="; nocase; distance:0; classtype:credential-theft; sid:2032382; rev:6; metadata:attack_target Client_Endpoint, created_at 2016_05_16, 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;)