Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dyre CnC)"; flow:established,to_client; tls.cert_serial; content:"00:9E:B5:FA:1E:D4:7A:9E:36"; fast_pattern; tls.cert_subject; content:"CN=Internet|20|Widgits|20|Pty|20|Ltd"; startswith; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2020218; rev:4; metadata:attack_target Client_and_Server, created_at 2015_01_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_08, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)