Versions (4)
Version DetailsCurrent
Rev: 2 • Sep 26, 2022, 12:00 PMET MALWARE Lockbit Ransomware Related Domain in DNS Lookup (lockbitapt)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Lockbit Ransomware Related Domain in DNS Lookup (lockbitapt)"; dns.query; content:"lockbitapt"; nocase; startswith; fast_pattern; content:".onion"; distance:46; isdataat:!3,relative; reference:md5,7b74e4fb9a95f41d5d9b4a71a5fe40b9; classtype:trojan-activity; sid:2038988; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_09_26, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_20;)
Sep 26, 2022, 12:00 PM
Apr 20, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 29, 2025, 8:34 PM
rules/emerging-malware.rules