pdf files are adopted for launching cyberattacks because of their popularity and the increasing number of relative *** learning algorithms are developed to detect the maliciousness of pdf *** the exploits of new vulne...
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pdf files are adopted for launching cyberattacks because of their popularity and the increasing number of relative *** learning algorithms are developed to detect the maliciousness of pdf *** the exploits of new vulnerabilities occur,the assumption that the training data and the test data share the same distribution does not hold and the ability of origin model to detect exploits of new vulnerabilities weakens *** a real environment,it is very difficult to obtain numerous samples of exploits with the same *** the machine learning models are difficult to be improved by *** samplegeneration could be used to generate sufficient virtualsamples by small sample sets to improve the generalization of the existing model.A new VSG algorithm based on prior knowledge is proposed in this paper,which performs better than other VSG algorithms in improving the detection on exploits of new vulnerabilities.
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