alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Successful Generic Phish (set) 2020-09-03"; flow:to_server,established; flowbits:set,ET.genericphish; flowbits:noalert; http.method; content:"POST"; http.request_body; content:"password="; depth:9; content:"&submit=Next"; fast_pattern; nocase; isdataat:!1,relative; pcre:"/^password=[^&]*&submit=Next$/i"; classtype:trojan-activity; sid:2031872; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_09_03, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_09_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)