alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Dropbox Phish 2016-09-14"; flow:to_server,established; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"username="; depth:9; nocase; fast_pattern; content:"&password="; nocase; distance:0; content:"&changing=Value"; nocase; endswith; classtype:credential-theft; sid:2032461; rev:5; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_09_14, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2022_03_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)