CAJ | 학술논문

提出了一个网络钓鱼防范系统.该系统由客户端过滤插件、后台分析中心和受保护网站3个逻辑组件构成.设计了一个基于图像的网页相似度检测算法,该算法首先将被检测网页转换为图像格式,然后采用迭代分割和收缩算法将原始图像划分为一组子图像集合,在计算子图像颜色直方图、灰度直方图以及大小参数的基础上,构建被检测网页的特征关系图(ARG),计算ARG之间的内部EMD距离,并通过计算2个网页ARG之间的外部EMD距离来标示网页之间的相似度,最终通过对不同网页之间相似度的分析检测出钓鱼网站.实验结果显示所提出的体系结构与算法具有良好的鲁棒性和可扩展性,可对钓鱼网页进行更加有效的检测.
제출료일개망락조어방범계통.해계통유객호단과려삽건、후태분석중심화수보호망참3개라집조건구성.설계료일개기우도상적망혈상사도검측산법,해산법수선장피검측망혈전환위도상격식,연후채용질대분할화수축산법장원시도상화분위일조자도상집합,재계산자도상안색직방도、회도직방도이급대소삼수적기출상,구건피검측망혈적특정관계도(ARG),계산ARG지간적내부EMD거리,병통과계산2개망혈ARG지간적외부EMD거리래표시망혈지간적상사도,최종통과대불동망혈지간상사도적분석검측출조어망참.실험결과현시소제출적체계결구여산법구유량호적로봉성화가확전성,가대조어망혈진행경가유효적검측.
A phishing detection system,which comprises clientside filtering plug-in,analysis center and protected sites, is proposed. An image-based similarity detection algorithm is conceived to calculate the similarity of two web pages.The web pages are first converted into images,and then divided into subimages with iterated dividing and shrinking.After that, the attributes of sub-images including color histograms, gray histograms and size parameters are computed to construct the attributed relational graph(ARG)of each page.In order to match two ARGs,the inner earth mover's distances(EMD)between every two nodes coming from each ARG respectively are first computed,and then the similarity of web pages by the outer EMD between two ARGs is worked out to detect phishing web pages. The experimental results show that the proposed architecture and algorithm has good robustness along with scalability,and can effectively detect phishing.