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Toward Robust Multi-Tab Website Fingerprinting

delete2026-02-23
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PRE
AI
X
Xinhao Deng
X
Xiyuan Zhao
Q
Qilei Yin
Z
Zhuotao Liu
李琦 (Qi Li)
徐明伟 (Mingwei Xu)
徐恪 cover
徐恪 (Ke Xu)
J
Jianping Wu
DOI:10.1109/TON.2026.3666721delete
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Abstract

Abstract

En 中文
Website fingerprinting enables an eavesdropper to determine which websites a user is visiting over an encrypted connection. State-of-the-art website fingerprinting (WF) attacks have demonstrated effectiveness even against Tor-protected network traffic. However, existing WF attacks have critical limitations on accurately identifying websites in multi-tab browsing sessions, where the holistic pattern of individual websites is no longer preserved, and the number of tabs opened by a client is unknown a priori. In this paper, we propose $\textsf {ARES}$ , a novel WF framework natively designed for multi-tab WF attacks. $\textsf {ARES}$ formulates the multi-tab attack as a multi-label classification problem and solves it using the novel Transformer-based models. Specifically, $\textsf {ARES}$ extracts local patterns based on multi-level traffic aggregation features and utilizes the improved self-attention mechanism to analyze the correlations between these local patterns, effectively identifying websites. We implement a prototype of $\textsf {ARES}$ and extensively evaluate its effectiveness using our large-scale datasets collected over multiple months. The experimental results illustrate that $\textsf {ARES}$ achieves optimal performance in several realistic scenarios. Further, $\textsf {ARES}$ remains robust even against various WF defenses.
Keywords:
Website fingerprinting attack
deep learning
traffic analysis

Journal

I
IEEE Transactions on Networking
IF:
0
Papers:
543
Citations:
0

Organization

T
tsinghua university
Scholars:
11.8W
Papers: 10.0W
Citations: 137
Z
zhongguancun laboratory
Scholars:
46
Papers: 25
Citations: 0