Threat actors used the open-source hypervisor QEMU as a network tunneling tool to create a covert communication channel, demonstrating the diverse methods attackers use to remain stealthy.
What is a hypervisor? A hypervisor is software that facilitates running multiple virtual machines (VMs) with their own operating systems on a single computer host’s hardware. The host machine and its physical hardware resources independently operate one or more VMs as guest operating systems. Multiple guest VMs share the system’s physical compute resources, including processor […]