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CBFISKD: A Combinatorial-Based Fuzzy Inference System for Keylogger Detection

Author

Listed:
  • Femi Emmanuel Ayo

    (Department of Mathematical Sciences, Olabisi Onabanjo University, Ago-Iwoye 120107, Nigeria)

  • Joseph Bamidele Awotunde

    (Department of Computer Science, Faculty of Information and Communication Sciences, University of Ilorin, Ilorin 240003, Nigeria)

  • Olasupo Ahmed Olalekan

    (Department of Mathematical Sciences, Olabisi Onabanjo University, Ago-Iwoye 120107, Nigeria)

  • Agbotiname Lucky Imoize

    (Department of Electrical and Electronics Engineering, Faculty of Engineering, University of Lagos, Akoka, Lagos 100213, Nigeria
    Department of Electrical Engineering and Information Technology, Institute of Digital Communication, Ruhr University, 44801 Bochum, Germany)

  • Chun-Ta Li

    (Bachelor’s Program of Artificial Intelligence and Information Security, Fu Jen Catholic University, New Taipei City 24206, Taiwan)

  • Cheng-Chi Lee

    (Research and Development Center for Physical Education, Health, and Information Technology, Department of Library and Information Science, Fu Jen Catholic University, New Taipei City 24206, Taiwan
    Department of Computer Science and Information Engineering, Asia University, Taichung City 41354, Taiwan)

Abstract

A keylogger is a type of spyware that records keystrokes from the user’s keyboard to steal confidential information. The problems with most keylogger methods are the lack of simulated keylogger patterns, the failure to maintain a database of current keylogger attack signatures, and the selection of an appropriate threshold value for keylogger detection. In this study, a combinatorial-based fuzzy inference system for keylogger detection (CaFISKLD) was developed. CaFISKLD adopted back-to-back combinatorial algorithms to identify anomaly-based systems (ABS) and signature-based systems (SBS). The first combinatorial algorithm used a keylogger signature database to match incoming applications for keylogger detection. In contrast, the second combinatorial algorithm used a normal database to detect keyloggers that were not detected by the first combinatorial algorithm. As simulated patterns, randomly generated ASCII codes were utilized for training and testing the newly designed CaFISKLD. The results showed that the developed CaFISKLD improved the F1 score and accuracy of keylogger detection by 95.5% and 96.543%, respectively. The results also showed a decrease in the false alarm rate based on a threshold value of 12. The novelty of the developed CaFISKLD is based on using a two-level combinatorial algorithm for keylogger detection, using fuzzy logic for keylogger classification, and providing color codes for keylogger detection.

Suggested Citation

  • Femi Emmanuel Ayo & Joseph Bamidele Awotunde & Olasupo Ahmed Olalekan & Agbotiname Lucky Imoize & Chun-Ta Li & Cheng-Chi Lee, 2023. "CBFISKD: A Combinatorial-Based Fuzzy Inference System for Keylogger Detection," Mathematics, MDPI, vol. 11(8), pages 1-24, April.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:8:p:1899-:d:1125516
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    References listed on IDEAS

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    1. Olusegun Folorunso & Femi Emmanuel Ayo & Y. E. Babalola, 2016. "Ca-NIDS: A network intrusion detection system using combinatorial algorithm approach," Journal of Information Privacy and Security, Taylor & Francis Journals, vol. 12(4), pages 181-196, October.
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