Versions (6)
Version DetailsCurrent
Rev: 3 • Jun 26, 2024, 12:00 PMET MALWARE Observed Lumma Stealer Related Domain (matterrydamagedowkds .xyz in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (matterrydamagedowkds .xyz in TLS SNI)"; flow:established,to_server; tls.sni; bsize:24; content:"matterrydamagedowkds.xyz"; fast_pattern; reference:md5,edc1804284921cdf6149815c944cf35e; classtype:domain-c2; sid:2054013; rev:3; metadata:tls_state TLSEncrypt, created_at 2024_06_26, deployment Perimeter, malware_family Lumma_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_08_05, 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;)
Jun 26, 2024, 12:00 PM
Aug 5, 2025, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 5, 2025, 8:35 PM
rules/emerging-malware.rules