Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (KINS CnC)"; flow:established,to_client; tls.cert_serial; content:"00:C8:DA:58:E3:BC:80:72:25"; fast_pattern; tls.cert_subject; content:"CN="; content:"localhost"; within:10; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2019962; rev:3; metadata:attack_target Client_and_Server, created_at 2014_12_18, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)