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CSSW: A robust Centroid-Sequential Synergetic Flow Watermarking framework for tracking network attacks

delete2026-04-28
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PRE
AI
N
Ning Yang
S
Shanchen Pang *
S
Shutao Guo
DOI:10.1016/j.comnet.2026.112340delete
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摘要

摘要

En 中文
在复杂和动态的网络环境中,网络攻击溯源仍然是一个重大的技术挑战。传统的被动流量分析技术,如IP地址追踪和日志分析,在攻击者通过匿名网络或多跳跳板隐藏身份时往往效果不佳,导致溯源精度有限。为克服这一局限,网络流水印(NFW)作为一种主动流量分析技术应运而生,通过嵌入不可感知的水印来识别和追踪攻击流。然而,现有的NFW方法在抗时序抖动、丢包及其他网络干扰方面表现出不足的鲁棒性。为解决这些问题,我们提出了一种质心-序列协同水印框架(CSSW),创新性地将基于质心的统计特征和包序列特征结合为混合水印载体。为缓解由时序扰动引起的同步失败,我们设计了一种可靠的基于序列的同步机制,使水印提取可在流量流中的任意位置进行。此外,为抵抗严重时序噪声和丢包下的水印退化,我们开发了一种抗损伤编码策略,显著增强了水印在恶劣网络条件下的存活能力。广泛的实验结果表明,CSSW相比现有方法在鲁棒性和实际有效性方面表现更优。
Keyword:
Network Flow Watermarking
Attack Attribution
Centroid-Sequence Synergistic Framework
Robustness
Traffic Analysis

期刊

Computer Networks 封面图
Computer Networks
IF:
4.6
论文数:
1.7K
被引数:
1.6W

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