alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Dropbox/Docusign Phish 2016-10-28"; flow:to_server,established; flowbits:isset,ET.genericphish; http.method; content:"POST"; http.request_body; content:"pro="; depth:4; nocase; fast_pattern; classtype:credential-theft; sid:2032410; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_10_28, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)