Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Win32/Lumma Stealer Related CnC Domain in DNS Lookup (toppyneedus .biz)"; dns.query; bsize:15; content:"toppyneedus.biz"; fast_pattern; nocase; reference:md5,6ae4f9f4ea6c2a544360ef965bc7841b; classtype:domain-c2; sid:2059771; rev:3; metadata:attack_target Client_Endpoint, created_at 2025_01_29, deployment Perimeter, deployment Internal, malware_family Lumma_Stealer, confidence High, signature_severity Major, updated_at 2025_01_30, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)