alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Dyre SSL Cert Oct 22 2014"; flow:established,to_client; tls.cert_serial; content:"00:8C:54:A8:06:20:B6:93:90"; fast_pattern; tls.cert_subject; content:"CN=Internet|20|Widgits|20|Pty|20|Ltd"; startswith; reference:md5,1754d4765a05e4637d2dcdbd1c28eaf1; classtype:trojan-activity; sid:2019494; rev:5; metadata:attack_target Client_Endpoint, created_at 2014_10_23, deployment Perimeter, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_08;)