Versions (5)
Version DetailsCurrent
Rev: 2 • Aug 1, 2022, 12:00 PMET MALWARE TA453 Related Domain in DNS Lookup (universityofmhealth .biz)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE TA453 Related Domain in DNS Lookup (universityofmhealth .biz)"; dns.query; content:"universityofmhealth.biz"; nocase; bsize:23; reference:url,www.secureworks.com/blog/drokbk-malware-uses-github-as-dead-drop-resolver; classtype:domain-c2; sid:2042966; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17, former_sid 2851990;)
Aug 1, 2022, 12:00 PM
Sep 17, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 27, 2025, 9:35 PM
rules/emerging-malware.rules