alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Dyre SSL Cert Jan 22 2015"; flow:established,to_client; tls.cert_serial; content:"00:92:87:8F:35:B4:AA:08:D1"; tls.cert_subject; content:"L=Taipei"; fast_pattern; classtype:trojan-activity; sid:2020289; rev:5; metadata:attack_target Client_Endpoint, created_at 2015_01_23, deployment Perimeter, deprecation_reason Age, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_03_26, reviewed_at 2024_03_26;)