Versions (3)
Version DetailsCurrent
Rev: 2 • Mar 14, 2023, 12:00 PMET MALWARE Observed DNS Query to LIGHTSHOW Domain (keewoom .co .kr)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to LIGHTSHOW Domain (keewoom .co .kr)"; dns.query; dotprefix; content:".keewoom.co.kr"; nocase; endswith; reference:url,www.mandiant.com/resources/blog/lightshow-north-korea-unc2970; classtype:trojan-activity; sid:2044609; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_03_14, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_23, reviewed_at 2023_08_23;)
Mar 14, 2023, 12:00 PM
Aug 23, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 25, 2025, 9:35 PM
rules/emerging-malware.rules