alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful USAA Phish 2016-06-15"; flow:established,to_server; http.method; content:"POST"; http.host; content:"usaa.com"; fast_pattern; isdataat:20,relative; classtype:credential-theft; sid:2032392; rev:5; metadata:attack_target Client_Endpoint, created_at 2016_06_15, deployment Perimeter, deprecation_reason Duplicate, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2023_07_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)