The arms race between the distributors of malware and those seeking to provide defenses has so far favored the former. Signature detection methods have been unable to cope with the onslaught of new binaries aided by rapidly developing obfuscation techniques. Recent research has focused on the analysis of low-level opcodes, both static and dynamic, as a way to detect malware. Although sometimes successful at detecting malware, static analysis still fails to unravel obfuscated code, whereas dynamic analysis can allow researchers to investigate the revealed code at runtime. Research in the field has been limited by the underpinning data sets; old and inadequately sampled malware can lessen the extrapolation potential of such data sets. The main contribution of this paper is the creation of a new parsed runtime trace data set of over 100 000 labeled samples, which will address these shortcomings, and we offer the data set itself for use by the wider research community. This data set underpins the examination of the run traces using classifiers on count-based and sequence-based data. We find that malware detection rates are lessened when samples are labeled with traditional anti-virus (AV) labels. Neither count-based nor sequence-based algorithms can sufficiently distinguish between AV label classes. Detection increases when malware is re-classed with labels yielded from unsupervised learning. With sequenced-based learning, detection exceeds that of labeling as simply “malware” alone. This approach may yield future work, where the triaging of malware can be more effective.
|Publication status||Published - 27 Sep 2017|
- Machine learning, Decision tree, Concept drift, Ensemble learning, Classification, Random forest
- Cyber Security
- network security
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Dynamic Opcode Traces of Malware and Benignware
Carlin, D. (Creator), O'Kane, P. (Supervisor) & Sezer, S. (Supervisor), Queen's University Belfast, 07 Nov 2017
Dynamic analyses of malwareAuthor: Carlin, D., Dec 2018
Supervisor: Sezer, S. (Supervisor) & O'Kane, P. (Supervisor)
Student thesis: Doctoral Thesis › Doctor of PhilosophyFile