arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2005.12154cs.LGcs.CRstat.ML
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对抗规避攻击的对抗性特征选择

Adversarial Feature Selection against Evasion Attacks

South China University of Technology(华南理工大学);University of Cagliari(卡利亚里大学)

Fei Zhang, Patrick P. K. Chan, Battista Biggio, Daniel S. Yeung, Fabio Roli

摘要:

模式识别和机器学习技术已越来越多地用于对抗性设置,如垃圾邮件、入侵和恶意软件检测,尽管它们针对精心设计的攻击的安全性尚未得到彻底评估,这些攻击旨在通过在测试时操纵数据来逃避检测。虽然以前的工作主要集中在设计对手感知的分类算法来对抗逃避尝试,但只有少数作者考虑了使用减少的特征集对分类器安全性的影响。一个有趣的,初步的结果是,分类安全规避可能会恶化的应用程序的特征选择。在本文中,我们提供了一个更详细的调查,这方面的特征选择对规避攻击的安全属性,脱落一些光。受以往工作的启发,对手意识的分类器,我们提出了一种新的对手意识的特征选择模型,可以提高分类器的安全性规避攻击,通过将具体的假设对手的数据操作策略。我们专注于一个高效的,基于包装的实现我们的方法,并通过实验验证其合理性不同的应用程序的例子,包括垃圾邮件和恶意软件检测。

英文摘要:

Pattern recognition and machine learning techniques have been increasingly adopted in adversarial settings such as spam, intrusion and malware detection, although their security against well-crafted attacks that aim to evade detection by manipulating data at test time has not yet been thoroughly assessed. While previous work has been mainly focused on devising adversary-aware classification algorithms to counter evasion attempts, only few authors have considered the impact of using reduced feature sets on classifier security against the same attacks. An interesting, preliminary result is that classifier security to evasion may be even worsened by the application of feature selection. In this paper, we provide a more detailed investigation of this aspect, shedding some light on the security properties of feature selection against evasion attacks. Inspired by previous work on adversary-aware classifiers, we propose a novel adversary-aware feature selection model that can improve classifier security against evasion attacks, by incorporating specific assumptions on the adversary's data manipulation strategy. We focus on an efficient, wrapper-based implementation of our approach, and experimentally validate its soundness on different application examples, including spam and malware detection.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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