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Controlled Channel Attack Detection Based on Hardware Virtualization

  • Chenyi Qiang
  • Weijie Liu
  • Lina Wang
  • Rongwei Yu
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11334)

Abstract

Controlled-channel attack is a novel side-channel attack that uses page faults (#PF) to infer process-sensitive information of guest-VMs. Existing protection schemes focus on restricting malicious OS of virtual machine access to page number information. They need to copy memory page content frequently or manually mark and recompile sensitive programs, which takes a lot of time and labor overhead. This paper introduces a hardware-based detection method against it in a different way. The Hypervisor monitors the modification of the guest page table entry (PTE) and the Interrupt Descriptor Table (IDT) entries to find the trace of adversary’s operations. As there is a semantic gap between VMs and Hypervisor, we take advantage of VMI (Virtual Machine Introspection) to convert important data. To overcome the challenge of changeable page tables, we grasp the feature of the target attack and filter out required records. Experiments show that this method can effectively detect controlled-channel attacks. In general, the performance overhead of the operations related to context switching will increase but within an acceptable range.

Keywords

Virtualization security Side channel attack Extended page table 

Notes

Acknowledgment

This work was supported by National Natural Science Foundation of China (No. U1536204); Foundation of Science and Technology on Information Assurance Laboratory (No. 61421120301162112009).

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Chenyi Qiang
    • 1
  • Weijie Liu
    • 1
    • 2
  • Lina Wang
    • 1
  • Rongwei Yu
    • 1
  1. 1.School of Cyber Science and EngineeringWuhan UniversityWuhanChina
  2. 2.Tencent Technology Company LimitedShenzhenChina

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