Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex CnC)"; flow:established,to_client; tls.cert_subject; content:"ST=Glasgow"; content:"L=Glasgo"; content:"O=Green Peace"; reference:md5,3cecc935eb92ed03dc9908fc96b0f795; classtype:domain-c2; sid:2021102; rev:3; metadata:attack_target Client_and_Server, created_at 2015_05_15, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_17, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)