hipervisorivastased

hipervisorivastased is a term that can be understood as "anti-hypervisor" in English. It refers to any technology, technique, or approach designed to detect, evade, or disrupt the operation of hypervisors. Hypervisors, also known as Virtual Machine Monitors (VMMs), are software or firmware that create and run virtual machines (VMs). They allow a single physical computer to host multiple independent operating systems simultaneously.

The motivations behind anti-hypervisor techniques are varied. In some contexts, it can be related to security research, where understanding how to bypass or identify hypervisors is crucial for assessing the security of virtualized environments. This includes malware researchers looking to detect if their code is running in a virtualized sandbox, which might indicate an attempt to analyze their behavior in a controlled environment.

Conversely, anti-hypervisor measures can also be employed by malicious actors. For instance, advanced persistent threats (APTs) or sophisticated malware might use these techniques to avoid detection by security software that operates at the hypervisor level or is aware of the virtualized environment. By making the VM appear as a bare-metal system, malware can attempt to evade security controls designed to monitor or restrict activity within VMs.

The development of anti-hypervisor techniques often involves exploiting subtle differences in hardware or software behavior that are unique to virtualized environments. These can include timing differences in instruction execution, variations in hardware device enumeration, or specific CPU instructions that behave differently when executed under a hypervisor compared to a physical machine. Detecting these anomalies can signal the presence of a hypervisor.