Versions (5)
Version DetailsCurrent
Rev: 5 • Jan 23, 2015, 12:00 PMET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (KINS CnC)
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:"00:9D:12:4E:CF:D7:61:DE:81"; fast_pattern; tls.cert_subject; content:"OU=MyCompany|20|Ltd|2e|"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2020307; rev:5; metadata:attack_target Client_and_Server, created_at 2015_01_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, 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;)
Jan 23, 2015, 12:00 PM
Apr 9, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 6, 2025, 4:34 PM
rules/emerging-malware.rules