Quasar RAT, an open-source remote access trojan also known as CinaRAT or Yggdrasil, has been spotted leveraging a new Microsoft file as part of its DLL sideloading process to stealthily drop malicious payloads on compromised Windows systems. In 2022, Uptycs researchers observed QBot malware employing the tactic via the Microsoft file ‘calc.exe’. Now, in 2023, […]