alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed APT Actor Payload Domain (e-aks .uz in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".e-aks.uz"; endswith; fast_pattern; reference:url,twitter.com/k3yp0d/status/1618539713228574721; reference:md5,544a65bfe51385bb148f23a4e3f140d6; classtype:domain-c2; sid:2044023; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_01_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_30, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)