Volume 9 Number 4 (Apr. 2014)
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JSW 2014 Vol.9(4): 985-990 ISSN: 1796-217X
doi: 10.4304/jsw.9.4.985-990

Mining Web User Behaviors to Detect Application Layer DDoS Attacks

Chuibi Huang1, Jinlin Wang1, 2, Gang Wu1, Jun Chen2
1Department of Automation, USTC Key laboratory of network communication system and control Hefei, China
2Institute of Acoustics, Chinese Academy of Sciences National Network New Media Engineering Research Center Beijing, China

Abstract—Distributed Denial of Service (DDoS) attacks have caused continuous critical threats to the Internet services. DDoS attacks are generally conducted at the network layer. Many DDoS attack detection methods are focused on the IP and TCP layers. However, they are not suitable for detecting the application layer DDoS attacks. In this paper, we propose a scheme based on web user browsing behaviors to detect the application layer DDoS attacks (app-DDoS). A clustering method is applied to extract the access features of the web objects. Based on the access features, an extended hidden semi-Markov model is proposed to describe the browsing behaviors of web user. The deviation from the entropy of the training data set fitting to the hidden semi-Markov model can be considered as the abnormality of the observed data set. Finally experiments are conducted to demonstrate the effectiveness of our model and algorithm.

Index Terms—HsMM, web user behaviors, DDoS, DDoS Attacks , clustering


Cite: Chuibi Huang, Jinlin Wang, Gang Wu, Jun Chen, "Mining Web User Behaviors to Detect Application Layer DDoS Attacks," Journal of Software vol. 9, no. 4, pp. 985-990, 2014.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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