Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Observed Malicious SSL/TLS Certificate (PayPal Phish Landing)"; flow:from_server,established; tls.cert_subject; content:"CN=verify-paypal.authorizeddns.net"; fast_pattern; classtype:social-engineering; sid:2037249; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_01, deployment Perimeter, confidence High, signature_severity Critical, tag Phishing, updated_at 2022_07_01, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)