Network-based Analysis and Classification of Malware using Behavioral Artifacts Ordering

Mohaisen, Aziz and Alrawi, Omar and Park, Jeman and Kim, Joongheon and Nyang, DaeHun and Mohaisen, Manar (2018) Network-based Analysis and Classification of Malware using Behavioral Artifacts Ordering. EAI Endorsed Transactions on Security and Safety, 5 (16). e2. ISSN 2032-9393

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Using runtime execution artifacts to identify malware and its associated “family” is an established technique in the security domain. Many papers in the literature rely on explicit features derived from network, file system, or registry interaction. While effective, the use of these fine-granularity data points makes these techniques computationally expensive. Moreover, the signatures and heuristics are often circumvented by subsequent malware authors. In this work, we propose Chatter, a system that is concerned only with the order in which high-level system events take place. Individual events are mapped onto an alphabet and execution traces are captured via terse concatenations of those letters. Then, leveraging an analyst labeled corpus of malware, n-gram document classification techniques are applied to produce a classifier predicting malware family. This paper describes that technique and its proof-of-concept evaluation. In its prototype form only network events are considered and eleven malware families are used. We show the technique achieves 83%-94% accuracy in isolation and makes non-trivial performance improvements when integrated with a baseline classifier of combined order features to reach an accuracy of up to 98.8%.

Item Type: Article
Uncontrolled Keywords: Malware, behavior-based analysis, classification, machine learning, n-grams
Subjects: H Social Sciences > H Social Sciences (General)
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
QA75 Electronic computers. Computer science
Depositing User: EAI Editor IV
Date Deposited: 26 Mar 2021 13:54
Last Modified: 26 Mar 2021 13:54

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