SKETHIC: Secure Kernel Extension against Trojan Horses with Information-Carrying Codes

  • Authors:
  • Eun-Sun Cho;Sunho Hong;Sechang Oh;Hong-Jin Yeh;Manpyo Hong;Cheol-Won Lee;Hyundong Park;Chun-Sik Park

  • Affiliations:
  • -;-;-;-;-;-;-;-

  • Venue:
  • ACISP '01 Proceedings of the 6th Australasian Conference on Information Security and Privacy
  • Year:
  • 2001

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Abstract

Trojan-horses are hard to detect since they pretend normal programs [14]. This paper proposes 'SKETHIC (Secure Kernel Extension against Trojan Horses with Information-carrying Codes)', an anti-Trojan method based on resource access information attached to codes. This information serves as criteria for users' decision on installation of programs and forms access control policies for the runtime monitoring system. Compared to the previous approaches, SKETHIC introduces a way of reducing the users' decision-making overhead. To show clearly how it keeps a host secure from Trojans, we describe the mechanism in a formal way.