INCREMENTAL AND SPECULATIVE ANALYSIS OF JAVASCRIPTS BASED ON A MULTI-INSTANCE MODEL FOR WEB SECURITY
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Feb 27, 2017
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Jul 11, 2016
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Web security methods and apparatus are disclosed herein. A method includes receiving a detection model for detecting malicious webpages via a transceiver of the computing device, and storing the detection model in a non-volatile memory of the computing device. One or more JavaScripts are detected in the webpage, wherein each of the JavaScripts can be separately executed. A feature vector for each of the JavaScripts may be generated, either incrementally as the web page is being loaded or prefetching the JavaScript for the web page, to produce one or more feature vectors for the webpage, wherein a particular feature vector includes values for different features of a JavaScript. Each of the feature vectors are analyzed with the multi-instance learning based detection model to determine whether the webpage from which the JavaScripts originate is malicious or benign.
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