Projects per year
Abstract
N-gram analysis is an approach that investigates the structure of a program using bytes, characters, or text strings. A key issue with N-gram analysis is feature selection amidst the explosion of features that occurs when N is increased. The experiments within this paper represent programs as operational code (opcode) density histograms gained through dynamic analysis. A support vector machine is used to create a reference model, which is used to evaluate two methods of feature reduction, which are 'area of intersect' and 'subspace analysis using eigenvectors.' The findings show that the relationships between features are complex and simple statistics filtering approaches do not provide a viable approach. However, eigenvector subspace analysis produces a suitable filter.
Original language | English |
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Pages (from-to) | 500-509 |
Journal | IEEE Transactions on Information Forensics and Security |
Volume | 8 |
Issue number | 3 |
Early online date | 25 Jan 2013 |
DOIs | |
Publication status | Published - Mar 2013 |
Keywords
- Obfuscation, Packers, Polymorphism, Metamorphism Malware, KNN, SVM
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Projects
- 1 Finished
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R1118ECI: Centre for Secure Information Technologies (CSIT)
McCanny, J. V., Cowan, C., Crookes, D., Fusco, V., Linton, D., Liu, W., Miller, P., O'Neill, M., Scanlon, W. & Sezer, S.
01/08/2009 → 30/06/2014
Project: Research