Versions (4)
Version DetailsCurrent
Rev: 3 • Dec 10, 2014, 12:00 PMET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Cridex CnC)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Cridex CnC)"; flow:established,to_client; tls.cert_serial; content:"00:E9:00:83:69:B1:31:15:7B"; fast_pattern; tls.cert_subject; content:"CN=176.99.6.57"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2019906; rev:3; metadata:attack_target Client_and_Server, created_at 2014_12_10, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Dec 10, 2014, 12:00 PM
Apr 11, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules