NDLI: A multi-variate classification approach for the detection of illicit traffic

Content Provider	IEEE Xplore Digital Library
Author	Rocha, E. Salvador, P. Nogueira, A.
Copyright Year	2011
Description	Author affiliation: University of Aveiro/Instituto de Telecomunicações, Aveiro, Portugal (Rocha, E.; Salvador, P.; Nogueira, A.)
Abstract	Nowadays, all commercial and personal activities rely almost exclusively on digital information that is constantly accessed, exchanged and archived over the Internet. These facts attracted the interest of the hacker community, driven by the will to obtain profits by exploiting many existing vulnerabilities. Consequently, the number of reported attacks increased dramatically, together with the financial losses associated to them. Botnets have become the cornerstone of on-line criminal activities and can be considered the most serious threat to the Internet. Current detection and prevention methodologies are not able to assure a complete protection as the complexity and subtlety of security attacks and generated illicit traffic grow: these include the encapsulation of illicit traffic in legitimate communications or the replication of normal communications profiles in order to bypass the various network defense mechanisms. Consequently, novel identification and prevention approaches must be proposed and studied in order to address all these issues. In this paper, we present a novel detection methodology that, by building high-level traffic profiles and modeling their embedded multi-scaling dynamics, can accurately identify the components created by illicit applications. The analysis of captured traffic samples over sliding time-windows allows the identification of illicit traffic components that are hidden in legitimate communications. The proposed methodology is also able to cope with the most stringent confidentially restrictions that typically prevent the use of other detection tools.
Starting Page	1
Ending Page	6
File Size	201961
Page Count	6
File Format	PDF
ISBN	9781457714399
e-ISBN	9789532900262
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-15
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	University of Split
Subject Keyword	Protocols Stochastic processes multi-scale analysis Internet applications Internet Discrete wavelet transforms Illicit traffic Cryptography Data mining traffic classification
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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