alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Dyre SSL Cert Aug 20 2014 D1"; flow:established,to_client; tls.cert_serial; content:"00:89:AA:AC:B6:40:58:A5:8C"; fast_pattern; tls.cert_subject; content:"CN=Internet|20|Widgits|20|Pty|20|Ltd"; startswith; reference:md5,70bb2e450fe927ee32884cda6fe948b5; classtype:trojan-activity; sid:2018973; rev:5; metadata:attack_target Client_Endpoint, created_at 2014_08_21, deployment Perimeter, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_08;)