Versions (4)
Version DetailsCurrent
Rev: 2 • Jun 10, 2024, 12:00 PMET MALWARE Observed Lumma Stealer Domain (secretiveonnicuw .shop in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Domain (secretiveonnicuw .shop in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".secretiveonnicuw.shop"; endswith; fast_pattern; reference:md5,61e70434699cf0c3f98dfacabbfa56b0; classtype:domain-c2; sid:2053430; rev:2; metadata:tls_state TLSEncrypt, created_at 2024_06_10, deployment Perimeter, malware_family lumma, malware_family Lumma_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_07_03, reviewed_at 2025_04_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)
Jun 10, 2024, 12:00 PM
Jul 3, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules