Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET RETIRED Playful Taurus Observe malicious SSL Cert (self-signed www .netgate .com)"; flow:established,to_client; tls.cert_issuer; content:"C=us, ST=ny, L=ny, O=netgate, OU=netgate, CN=www.netgate.com"; content:"email@netgate.com"; distance:0; fast_pattern; reference:url,unit42.paloaltonetworks.com/playful-taurus/; classtype:trojan-activity; sid:2043364; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_01_19, deployment Perimeter, malware_family PlayfulTaurus, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2025_07_24, reviewed_at 2024_09_30;)