Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed FIN7/Carbanak Related Domain (sun876954 .space in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".sun876954.space"; endswith; fast_pattern; reference:md5,7d9d18c863b6f97f66d49cad7b2eb784; classtype:trojan-activity; sid:2049866; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_12_28, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)