Versions (5)
Version DetailsCurrent
Rev: 6 • Jul 17, 2014, 12:00 PMET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (KINS C2)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (KINS C2)"; flow:established,from_server; content:"|1b|corporati-sdfs222222you.com"; fast_pattern:8,20; tls.fingerprint:"19:56:b7:ff:84:f6:f8:41:f5:b5:8d:63:76:88:59:b6:d5:f0:3d:3c"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2018694; rev:6; metadata:attack_target Client_and_Server, created_at 2014_07_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_04, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jul 17, 2014, 12:00 PM
Jul 4, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 14, 2025, 9:34 PM
rules/emerging-malware.rules