Root Kits: an operating systems viewpoint

  • Authors:
  • Winfried E. Kühnhauser

  • Affiliations:
  • University of Ilmenau

  • Venue:
  • ACM SIGOPS Operating Systems Review
  • Year:
  • 2004

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Abstract

Root Kits are tool boxes containing a collection of highly skilled tools for attacking computer systems. Their algorithms and databases contain professional knowledge about methods and mechanisms for completely automated attacks both over a network as well as from within a system. Root kits attack by maneuvering a system into executing a script with supervisor privileges. Once having gained full control, such scripts begin to install several software packages, including backdoors for easy future access, deception packages and modified versions of administration utilities that conceal system modifications and refuse to counterattack any future infiltration.The security threat imposed by root kits is quite serious. A root kit attack is swift, fully automatic, and has long-lasting effects. An attack has a high success probability, and it requires only a very small amount of knowledge. Last not least, root kits axe easily available in the Internet.This paper is a survey of the works of root kits from an operating systems point of view. Keywords: error exploitation, error proliferation, privilege proliferation, kernel abstractions, trusted computing base, reference monitor, security domains, mandatory and discretionary access control, secure booting, secure program execution