Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (barebrilliancedkoso .shop  in TLS SNI)"; flow:established,to_server; tls.sni; bsize:24; content:"barebrilliancedkoso.shop"; fast_pattern; reference:md5,e8feac07ea3ae38306ec173ff91e8fd1; classtype:domain-c2; sid:2053389; rev:2; metadata:tls_state TLSEncrypt, created_at 2024_06_10, deployment Perimeter, malware_family Lumma_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_07_03, reviewed_at 2025_08_05, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)