alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious HTTP POST Only Containing Password - Possible Phishing"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"password="; nocase; depth:9; fast_pattern; content:!"&"; distance:0; classtype:credential-theft; sid:2031523; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_01_14, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2021_01_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)