Huaijun Wang, Dingyi Fang, Guanghui Li, Na An, Xiaojiang Chen, Y. Gu
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引用次数: 7
摘要
基于虚拟机(Virtual - effective solution to protect software, Virtual - effective solution to protect software，使之成为一台机器)的软件保护技术为分析和破解提供了难度。本文从两个方面对其进行改进。首先，时间分集是通过使软件在不同的运行时间内沿不同的路径运行来对抗累积攻击。其次，通过控制变形策略，实现指令在执行路径上的转换，降低性能损失。最后，设计并开发了一种基于虚拟机的带时分集保护系统TDVMP，并进行了实验。结果表明，改进是有效的。
TDVMP: Improved Virtual Machine-Based Software Protection with Time Diversity
The VM (Virtual effective solution to protect software, making it extremely a Machine)-based software protection technique provides difficulty to analyze and crack. In this paper, we improve it from two aspects. Firstly, the time diversity is to fight against cumulative attack by making software executing along variant paths in different running time. Secondly, transform instructions in an execution path with reducing performance penalty through controlling deformation strategy. At last, we design and develop a VM-based protection with time diversity system, named TDVMP, and carry out some experiments with it. The results show that the improvements are effective.
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