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SeqMobile: A Sequence Based Efficient Android Malware Detection System Using RNN on Mobile Devices
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SeqMobile: A Sequence Based Efficient Android Malware Detection System Using RNN on Mobile Devices

Ruitao Feng, Jing Qiang Lim, Sen Chen, Shang-Wei Lin and Yang Liu
arXiv
Cornell University
10/11/2020
DOI: https://doi.org/10.48550/arxiv.2011.05218
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SeqMobile: A Sequence Based Efficient Android Malware Detection SystemView
Preprint (Author's original) Open CC BY V4.0

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Abstract

malware detection sequence feature deep neural network mobile platform performance
With the proliferation of Android malware, the demand for an effective and efficient malware detection system is on the rise. The existing device-end learning based solutions tend to extract limited syntax features (e.g., permissions and API calls) to meet a certain time constraint of mobile devices. However, syntax features lack the semantics which can represent the potential malicious behaviors and further result in more robust model with high accuracy for malware detection. In this paper, we propose an efficient Android malware detection system, named SeqMobile, which adopts behavior-based sequence features and leverages customized deep neural networks on mobile devices instead of the server. Different from the traditional sequence-based approaches on server, to meet the performance demand, SeqMobile accepts three effective performance optimization methods to reduce the time cost. To evaluate the effectiveness and efficiency of our system, we conduct experiments from the following aspects 1) the detection accuracy of different recurrent neural networks; 2) the feature extraction performance on different mobile devices, 3) the detection accuracy and prediction time cost of different sequence lengths. The results unveil that SeqMobile can effectively detect malware with high accuracy. Moreover, our performance optimization methods have proven to improve the performance of training and prediction by at least twofold. Additionally, to discover the potential performance optimization from the SOTA TensorFlow model optimization toolkit for our approach, we also provide an evaluation on the toolkit, which can serve as a guidance for other systems leveraging on sequence-based learning approach. Overall, we conclude that our sequence-based approach, together with our performance optimization methods, enable us to detect malware under the performance demands of mobile devices.

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