North Korea-linked ScarCruft group used a previously undocumented backdoor called Dolphin against targets in South Korea. ESET researchers discovered a previously undocumented backdoor called Dolphin that was employed by North Korea-linked ScarCruft group (aka APT37, Reaper, and Group123) in attacks aimed at targets in South Korea. ScarCruft has been active since at least 2012, it made the headlines in early February 2018 when researchers […]