A malicious traffic detection method based on Bayesian meta-learning for few samples
by Zhibin Liu; Zhanpeng Lv; Lixin Zhao; Min Li; Xin Liu
International Journal of Embedded Systems (IJES), Vol. 16, No. 3, 2023

Abstract: Realistic network environments have difficulties collecting malicious traffic data, and training network models with virtually generated traffic data are inevitably disconnected from the real network situation. To address few sample problems, we propose a Bayesian meta-learning-based technique to detect encrypted malicious traffic. The internal loop of this meta-learning method is replaced by an analytical marginal likelihood calculation that can be directly implemented as a single optimiser. Experiments show that when the sample size of malicious traffic is reduced to 100, our model still detects up to 96.35%.

Online publication date: Mon, 10-Jun-2024

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