alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET PHISHING Generic Phishing Panel Accessed on Internal Server"; flow:established,to_client; file.data; content:"<title>Login Panel</title>"; fast_pattern; content:"background-color|3a 20|#000000"; distance:0; content:"text-center|22|>Login to Panel</div>"; distance:0; content:"class=|22|form-control|22 20|id=|22|key|22 20|name=|22|key|22 20|placeholder=|22|Private Key|22|"; distance:0; classtype:web-application-attack; sid:2032325; rev:2; metadata:affected_product Web_Server_Applications, attack_target Client_Endpoint, created_at 2021_03_25, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2021_03_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)