alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Generic Phishing Landing Uri Nov 25 2015"; flow:to_server,established; content:"GET"; http_method; content:".php?usernms="; http_uri; fast_pattern; pcre:"/\.php\?usernms=[^@]+@[^\r\n]+$/Ui"; classtype:social-engineering; sid:2022187; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_11_25, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)