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Protection method and device for virtual machine escape

A virtual machine escape and protection device technology, applied in computer security devices, response error generation, platform integrity maintenance, etc., can solve problems such as affecting analysis results, engine analysis pressure, etc. Crash, improve the effect of protection stability

Active Publication Date: 2016-03-23
BEIJING QIHOO TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] File behavior can be analyzed through the analysis engine, but when the engine is in a high concurrency state, the analysis pressure of the engine is high, which affects the analysis results

Method used

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  • Protection method and device for virtual machine escape
  • Protection method and device for virtual machine escape
  • Protection method and device for virtual machine escape

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Embodiment Construction

[0021] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0022] The embodiment of the present invention provides a protection method for virtual machine escape, such as figure 1 As shown, this method is applied to a host machine with a virtual machine to prevent the virtual machine from escaping. The specific steps include:

[0023] 101. Cache the obtained task request to the co-thread.

[0024] To prevent the virtual machine from escaping, it is first necessary to be able to obtain the...

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Abstract

The invention discloses a protection method and device for virtual machine escape, and relates to the technical field of computers. Loading pressure of an analysis engine in the high-concurrency state analyzing state can be relieved and filtered away by building a caching mechanism for analyzing tasks. According to the main technical scheme, an obtained task request is cached into an assisting thread, wherein the task request is an analysis request obtained by the analysis engine for an external operation behavior for a virtual machine, and the assisting thread is used for assisting the analysis engine in caching the task request; whether the task request is a known virtual machine escape behavior or not is judged through the assisting thread; if not, the task request is sent to the analysis engine to be analyzed. The protection method and device are mainly used for preventing the virtual escape situation.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and device for protecting a virtual machine from escaping. Background technique [0002] With the continuous development of computer software technology, the software development technology based on the Unix system operating platform is becoming more and more popular. Among them, virtual machine escape has become an urgent problem for developers to solve. Virtual machine escape refers to exploiting the vulnerabilities of the virtual machine software or the software running in the virtual machine to attack or control the virtual machine host operating system. [0003] At present, the programs in the virtual machine can only run in the virtual machine. When a vulnerability occurs in the virtual machine system, the program in the virtual machine will break through the boundary of the virtual machine and read resources outside the virtual machine. Virtual machine escape c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/55G06F11/07
CPCG06F11/0706G06F21/554
Inventor 汪圣平唐青昊
Owner BEIJING QIHOO TECH CO LTD
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