NDLI: Stochastic Game-Based Analysis of the DNS Bandwidth Amplification Attack Using Probabilistic Model Checking

Content Provider	IEEE Xplore Digital Library
Author	Deshpande, T. Katsaros, P. Smolka, S.A. Stoller, S.D.
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci., Stony Brook Univ., Stony Brook, NY, USA (Deshpande, T.; Smolka, S.A.; Stoller, S.D.) \|\| Dept. of Inf., Aristotle Univ. of Thessaloniki, Thessaloniki, Greece (Katsaros, P.)
Abstract	The Domain Name System (DNS) is an Internet-wide, hierarchical naming system used to translate domain names into numeric IP addresses. Any disruption of DNS service can have serious consequences. We present a formal game-theoretic analysis of a notable threat to DNS, namely the bandwidth amplification attack (BAA), and the countermeasures designed to defend against it. We model the DNS BAA as a two-player, turn-based, zero-sum stochastic game between an attacker and a defender. The attacker attempts to flood a victim DNS server with malicious traffic by choosing an appropriate number of zombie machines with which to attack. In response, the defender chooses among five BAA countermeasures, each of which seeks to increase the amount of legitimate traffic the victim server processes. To simplify the model and optimize the analysis, our model does not explicitly track the handling of each packet. Instead, our model is based on calculations of the rates at which the relevant kinds of events occur in each state. We use our game-based model of DNS BAA to generate optimal attack strategies, which vary the number of zombies, and optimal defense strategies, which aim to enhance the utility of the BAA countermeasures by combining them in advantageous ways. The goal of these strategies is to optimize the attacker's and defender's payoffs, which are defined using probabilistic reward-based properties, and are measured in terms of the attacker's ability to minimize the volume of legitimate traffic that is processed, and the defender's ability to maximize the volume of legitimate traffic that is processed.
Starting Page	226
Ending Page	237
File Size	482301
Page Count	12
File Format	PDF
ISBN	9781479938049
DOI	10.1109/EDCC.2014.37
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-13
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Amplification Attack (BAA) probabilistic model checking Stochastic processes Domain Name System (DNS) Games Bandwidth Probabilistic logic Servers IP networks Computer crime stochastic games
Content Type	Text
Resource Type	Article

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