Versions (5)
Version DetailsCurrent
Rev: 3 • Jun 28, 2024, 12:00 PMET MALWARE Lumma Stealer Related CnC Domain in DNS Lookup (grandcommonyktsju .xyz)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Lumma Stealer Related CnC Domain in DNS Lookup (grandcommonyktsju .xyz)"; dns.query; bsize:21; content:"grandcommonyktsju.xyz"; fast_pattern; nocase; reference:md5,778a42a60b8bc2765df62cf4e4b5d526; classtype:domain-c2; sid:2054121; rev:3; metadata:attack_target Client_Endpoint, created_at 2024_06_28, deployment Perimeter, deployment Internal, 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 28, 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