Chapter 7. Bot Networks

James Hoagland, Zulfikar Ramzan, and Sourabh Satish

Bot networks are an emerging threat area with a wide variety of malicious applications including spam, phishing, distributed denial of service, click fraud, data harvesting, password cracking, online reputation inflation, and adware installation, among others. In this chapter, we explore botnets in detail. First, we cover what botnets are, why they are important, and how prevalent they seem to be. Next, we describe how botnets work, including the protocols over which botnets communicate, the techniques they use to remain resilient, and the kinds of features that typical bots possess. We then delve into applications of botnets related to online malicious activity. Finally, ...

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