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基于平衡树的良性蠕虫扩散策略
引用本文:王佰玲,方滨兴,云晓春,张宏莉,陈博,刘乙璇.基于平衡树的良性蠕虫扩散策略[J].计算机研究与发展,2006,43(9):1593-1602.
作者姓名:王佰玲  方滨兴  云晓春  张宏莉  陈博  刘乙璇
作者单位:1. 哈尔滨工业大学计算机网络与信息安全技术研究中心,哈尔滨,150001
2. 哈尔滨工业大学计算机网络与信息安全技术研究中心,哈尔滨,150001;中国科学院计算技术研究所,北京,100080
摘    要:网络蠕虫已对网络系统安全造成重要威胁,传统防范措施已不再适用.使用良性蠕虫来对抗蠕虫正成为一种新的应急响应技术.提出了良性蠕虫基于网络拓扑信息的扩散技术,并重点研究了基于平衡树的良性蠕虫扩散算法、平衡树的动态生成规则和稳定性增强策略.最后给出一个蠕虫对抗模拟实验,结果表明,和已有的传播策略相比,采用扩散平衡树策略的良性蠕虫扩散速度更快,产生流量影响更小.

关 键 词:网络安全  良性蠕虫  主动遏制  扩散策略
收稿时间:05 17 2005 12:00AM
修稿时间:2005-05-172006-04-05

A New Friendly Worm Propagation Strategy Based on Diffusing Balance Tree
Wang Bailing,Fang Binxing,Yun Xiaochun,Zhang Hongli,Chen Bo,Liu Yixuan.A New Friendly Worm Propagation Strategy Based on Diffusing Balance Tree[J].Journal of Computer Research and Development,2006,43(9):1593-1602.
Authors:Wang Bailing  Fang Binxing  Yun Xiaochun  Zhang Hongli  Chen Bo  Liu Yixuan
Affiliation:1. Research Center of Computer Network and Information Security Technology, Harbin Institute of Technology, Harbin 150001 ; 2.Institate of Computing Technology, Chinese Academy of Sciences, Beijing 100080
Abstract:Worms is a serious and growing threat to network and the traditional anti-virus technologies don't currently scale to deal with the worm threat. Friendly worm becomes a new active countermeasure. A diffusing balance-tree-based friendly worm propagation strategy is proposed, and the auto-generation rules and survivability enhancements are also given to account for the expansibility and the stability. As a case study, a simulation on worms cross-spreading is given. The results prove that the balance-tree-based propagation strategy is much more effective. Compared with the traditional ones, it accelerates the propagation speed and reduces the traffic impact on network.
Keywords:network security  friendly worm  active countermeasure  spreading strategy
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