alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Successful Generic Phish (set) 2019-03-06"; flow:to_server,established; flowbits:set,ET.genericphish; flowbits:noalert; http.method; content:"POST"; http.request_body; content:"Eml="; depth:4; fast_pattern; content:"&Password="; distance:0; classtype:credential-theft; sid:2027046; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_03_06, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)