Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (Vawtrak MITM)"; flow:established,from_server; content:"|10|greengarden1.com"; fast_pattern:only; tls.fingerprint:"e8:52:a3:e8:cd:0b:eb:2d:28:df:62:2e:2c:a4:d5:4d:f4:3c:cc:9f"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2018731; rev:5; metadata:attack_target Client_and_Server, created_at 2014_07_18, 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;)