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Context-sensitive keyword density based supervised learning techniques for detection of malicious web pages
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index.pdf
Date
2016
Author
Altay, Betül
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Conventional methods use a black list in order to decide whether a web page is malicious or not. These black lists are generally produced by technicians or operators and used for the security purposes of the organizations, protection of software from web based virus attacks, web browsers, etc. However, the blacklist approach is not a scalable solution for the frequently changing and rapidly growing number of web pages on the internet and their dynamic contents. In this thesis, we propose and analyze a method for the classi cation of the web pages by using Support Vector Machine, Maximum Entropy, and Extreme Learning Machine techniques. The performance of the proposed machine learning models are evaluated with 100K web pages. Features of web pages are generated by processing HTML contents and information is obtained using conventional feature extraction methodologies, such as existence of words, keyword frequencies, and a novel method based on keyword densities. The performances of machine learning methods employing various extracted features are analyzed and experimental results show that the proposed method can identify malicious web pages with a very high accuracy of up to 98.24% while also achieving practical web page processing times.
Subject Keywords
Machine learning.
,
Artificial intelligence.
,
Keyword searching.
,
Web sites.
URI
http://etd.lib.metu.edu.tr/upload/12620189/index.pdf
https://hdl.handle.net/11511/25830
Collections
Graduate School of Natural and Applied Sciences, Thesis
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B. Altay, “Context-sensitive keyword density based supervised learning techniques for detection of malicious web pages,” M.S. - Master of Science, Middle East Technical University, 2016.