【作者】 赖清楠； 郭强；

【Author】 LAI Qing-nan;GUO Qiang;Computer Center,Peking University;

【机构】 北京大学计算中心；

【摘要】 网站上存在恶意链接会对网站造成恶劣的影响,甚至影响网站的正常运行。本文提出了一种基于关键词提取的网站恶意链接检测的方法,使用爬虫爬取网站上所有页面的链接,过滤器过滤后,对可疑链接进行页面内容的抓取,再使用TextRank进行关键词提取,当出现了3个及以上的恶意关键词时,认为该链接可能是恶意链接。最后,使用该方法成功发现了北京大学某网站上存在的恶意链接,验证了该方法的有效性。更多还原

【Abstract】 The existence of malicious links on the website will have a bad influence on the website and even affect the normal operation of the website.We proposes a method for detecting malicious links on websites based on keyword extraction.It uses crawlers to crawl the links of all pages on the website.After filtered,the suspicious links are crawled,and then TextRank is used for keyword extraction from page content.When there are 3 or more malicious keywords,it is considered that the link may be a malicious link.Finally,this method was used to successfully find a malicious link on a website of Peking University,which verified the effectiveness of the method.更多还原