alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Excel Phish Aug 15 2016"; flow:to_server,established; http.method; content:"POST"; http.header; content:".php?cmd=login_submit"; nocase; fast_pattern; http.request_body; content:"login="; depth:6; nocase; content:"&passwd="; nocase; distance:0; classtype:credential-theft; sid:2023061; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_08_15, 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;)