EXTERIOR: Using Dual-VM Based External Shell for Guest-OS Introspection, Configuration, and Recovery

Provided by: Association for Computing Machinery
Topic: Virtualization
Format: PDF
This paper presents EXTERIOR, a dual-VM architecture based external shell that can be used for trusted, timely out-of-VM management of guest-OS such as introspection, configuration, and recovery. Inspired by recent advances in Virtual Machine Introspection (VMI), EXTERIOR leverages an isolated, Secure Virtual Machine (SVM) to introspect the kernel state of a Guest Virtual Machine (GVM). However, it goes far beyond the read-only capability of the traditional VMI, and can perform automatic, fine-grained guest-OS writable operations.

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