alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Malicious SSL Certificate Detected (Bancos C2)"; flow:established,to_client; tls.cert_subject; content:"C=US"; content:"ST=FL"; content:"L=Miami"; fast_pattern; content:"O=Business"; reference:md5,e89ff40a8832cd27d2aae48ff7cd67d2; reference:url,malware-traffic-analysis.net/2016/06/09/index2.html; classtype:domain-c2; sid:2022888; rev:4; metadata:attack_target Client_and_Server, created_at 2016_06_10, deployment Perimeter, malware_family Bancos, performance_impact Low, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, tag Banking_Trojan, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)