نتایج جستجو برای: botnet
تعداد نتایج: 1363 فیلتر نتایج به سال:
Mobile botnet phenomenon is gaining popularity among malware writers in order to exploit vulnerabilities in smartphones. In particular, mobile botnets enable illegal access to a victim’s smartphone, can compromise critical user data and launch a DDoS attack through Command and Control (C&C). In this article, we propose a static analysis approach, DeDroid, to investigate botnet-specific properti...
Attackers are increasingly using large networks of compromised machines to carry out further attacks (e.g., using botnets, or enormous groups of compromised hosts under the control of a single attacker). We consider the problem of responding to entire networks of attacking computers. We identify key metrics for measuring the utility of a botnet, and describe various topological structures they ...
Botnets have become a major threat to the Internet as large armies of bot machines can be used to carry out a wide range of attacks. We present a botnet detection mechanism that uses two levels of support vector machines (SVMs) to identify infected bot machines before they are used in an attack. Our technique detects relationships in the networkflows dynamically and determines if such relations...
Application layer Distributed Denial of Service (DDoS) attacks are recognized as one of the most damaging attacks on the Internet security today. In our recent work [1], we have shown that unsupervised machine learning can be effectively utilized in the process of distinguishing between regular (human) and automated (web/botnet crawler) visitors to a web site. We have also shown that with a sli...
Contents 1 Questions and methodology 6 1. 5 How do member ISPs compare among themselves? 47 6 Conclusions 55 6.
Many botnet detection systems employ a blacklist of known command and control (C&C) domains to detect bots and block their traffic. Similar to signature-based virus detection, such a botnet detection approach is static because the blacklist is updated only after running an external (and often manual) process of domain discovery. As a response, botmasters have begun employing domain generation a...
Recently, the increase in “spam,” distributed denialof-service (DDoS) attacks, and other acts of online crime are facilitated by “botnets,” which are networks of compromised computer systems executing “bot” programs. In this paper, we precisely define the terms bot and botnet and explain their workings. We describe how miscreants have used and continue to use botnets to launch the aforementione...
The Mirai botnet, composed primarily of embedded and IoT devices, took the Internet by storm in late 2016 when it overwhelmed several high-profile targets with massive distributed denial-of-service (DDoS) attacks. In this paper, we provide a seven-month retrospective analysis of Mirai’s growth to a peak of 600k infections and a history of its DDoS victims. By combining a variety of measurement ...
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