alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Dropbox Phish June 17 2015"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"server="; depth:7; nocase; fast_pattern; content:"&username="; nocase; distance:0; content:"&password="; nocase; distance:0; classtype:credential-theft; sid:2021298; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_06_18, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)