Versions (5)
Version DetailsCurrent
Rev: 1 • Jul 19, 2024, 12:00 PMET MALWARE Lumma Stealer Domain in TLS SNI (shepherdlyopzc .shop)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Lumma Stealer Domain in TLS SNI (shepherdlyopzc .shop)"; flow:established,to_server; tls.sni; bsize:19; content:"shepherdlyopzc.shop"; fast_pattern; reference:md5,c8c4ef2329b18b42f7072fad1ab98af0; classtype:trojan-activity; sid:2054606; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_07_19, deployment Perimeter, malware_family LummaStealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_19, reviewed_at 2025_01_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jul 19, 2024, 12:00 PM
Jul 19, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-malware.rules