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Communication Dans Un Congrès Année : 2023

Stochastic-HMDs: Adversarial-Resilient Hardware Malware Detectors via Undervolting

Résumé

Machine learning-based hardware malware detectors (HMDs) offer a potential game changing advantage in defending systems against malware. However, HMDs suffer from adversarial attacks, can be effectively reverse-engineered and subsequently be evaded, allowing malware to hide from detection. We address this issue by proposing novel HMDs (Stochastic-HMDs), which leverage approximate computing (AC) to harden HMDs against adversarial evasion attacks. Stochastic-HMDs introduce stochastic noise into the computations within the model to build an efficient and low-cost moving-target defense. Specifically, we use controlled undervolting, i.e., scaling the supply voltage below nominal level, to deliberately induce stochastic timing violations in the HMDs’ computations during inference (detection). We show that such technique makes HMDs more resilient to adversarial attacks, especially to reverse-engineering and transferability. Our thorough empirical results substantiate that Stochastic-HMDs offer effective defense against adversarial attacks along with by-product power savings, without requiring any changes to the hardware/software nor to the HMDs’ model, i.e., no retraining or fine tuning is needed. In particular, Stochastic-HMDs can detect more than 94% of the evasive malware with a negligible (i.e., < 2%) accuracy loss, along with ~15% power savings.
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Dates et versions

hal-04271453 , version 1 (16-05-2024)

Identifiants

Citer

Md Shohidul Islam, Ihsen Alouani, Khaled Khasawneh. Stochastic-HMDs: Adversarial-Resilient Hardware Malware Detectors via Undervolting. 2023 60th ACM/IEEE Design Automation Conference (DAC), Jul 2023, San Francisco, United States. pp.1-6, ⟨10.1109/DAC56929.2023.10247980⟩. ⟨hal-04271453⟩
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