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Erschienen in:
2006 | OriginalPaper | Buchkapitel
A Worm Propagation Model Based on People’s Email Acquaintance Profiles
verfasst von : T. Komninos, Y. C. Stamatiou, G. Vavitsas
Erschienen in: Internet and Network Economics
Verlag: Springer Berlin Heidelberg
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One frequently employed way of propagation exploited by worms is through the victim’s contact book. The contact book, which reflects the acquaintance profiles of people, is used as a “hit-list”, to which the worm can send itself in order to spread fast. In this paper we propose a discrete worm propagation model that relies upon a combined email and Instant Messaging (IM) communication behaviour of users. We also model user reaction against infected email as well as the rate at which antivirus software is installed. User acquaintance is perceived as a “network” connecting users based on their contact book links. We then propose a worm propagation formulation based on a token propagation algorithm, further analyzed with a use of a system of continuous differential equations, as dictated by Wormald’s theorem on approximating “well-behaving” random processes with deterministic functions.