Created the Monday 11 March 2019. Updated 8 months, 2 weeks ago.

The VMCPUID instruction is a sophisticated mechanism often employed by malware to ascertain if it is operating within a virtual environment.

This instruction is part of the x86 architecture's virtual machine extensions (VMX) and is designed to provide information about the capabilities and status of the virtual machine.

By using VMCPUID, malware can adapt its behavior based on the context in which it is running, thus adding an additional layer of complexity to its detection and mitigation. Essentially, it serves as a telltale indicator, aiding malware in identifying virtualization-based security measures or sandboxing environments

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Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

Sleeping Alien

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