Cloud Threats Memo: Cyber Espionage Exploiting Google Drive for C2 Infrastructure
Another day, another legitimate cloud service exploited for a cyber espionage campaign… Researchers at ESET recently discovered Dolphin, a previously unreported backdoor used by the North-Korean threat actor APT37 (AKA ScarCruft and Reaper) against selected targets. The backdoor, deployed after the initial compromise using less sophisticated malware, was observed for the first time in early 2021, during a watering-hole attack on a South Korean online newspaper.