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More Semantics More Robust: Improving Android Malware Classifiers

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Speaker: Wei Chen. See abstract below.

What
  • Lab Lunch
When Jun 14, 2016
from 01:00 PM to 02:00 PM
Where Mini Forum 2
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Automatic malware classifiers often perform badly on the detection of new malware, i.e., their robustness is poor. We study the machine-learning-based mobile malware classifiers and reveal one reason: the input features used by these classifiers can’t capture general behavioural patterns of malware instances. We extract the best-performing syntax-based features like permissions and API calls, and some semantics-based features like happen-befores and unwanted behaviours, and train classifiers using popular supervised and semi-supervised learning methods. By comparing their classification performance on industrial datasets collected across several years, we demonstrate that using semantics-based features can dramatically improve robustness of malware classifiers.

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