alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Maersk Phishing 2016-02-25"; flow:to_server,established; http.method; content:"POST"; http.uri; content:".php"; endswith; http.header; content:".php?"; nocase; pcre:"/\x0d\x0aReferer\x3a\x20[^\r\n]+?=[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}\r\n/i"; http.request_body; content:"username="; content:"&secretkey="; fast_pattern; nocase; distance:0; classtype:credential-theft; sid:2032429; rev:5; metadata:attack_target Client_Endpoint, created_at 2016_02_25, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_09_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)