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Author: Ping Wang
Publisher:
ISBN:
Category : Computer networks
Languages : en
Pages : 131
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Book Description
A "botnet" is a network of compromised computers (bots) that are controlled by an attacker (botmasters). Botnets are one of the most serious threats to today's Internet; they are the root cause of many current Internet attacks, such as email spam, distributed denial of service (DDoS) attacks, click fraud, etc. There have been many researches on how to detect, monitor, and defend against botnets that have appeared and their attack techniques. However, it is equally important for us to investigate possible attack techniques that could be used by the next generation botnets, and develop effective defense techniques accordingly in order to be well prepared for future botnet attacks. In this dissertation, we focus on two areas of the next generation botnet attacks and defenses: the peer-to-peer (P2P) structured botnets and the possible honeypot detection techniques used by future botnets. Currently, most botnets have centralized command and control (C & C) architecture. However, P2P structured botnets have gradually emerged as a new advanced form of botnets. Without C & C servers, P2P botnets are more resilient to defense countermeasures than traditional centralized botnets. Therefore, we first systematically study P2P botnets along multiple dimensions: bot candidate selection, network construction and C & C mechanisms and communication protocols. As a further illustration of P2P botnets, we then present the design of an advanced hybrid P2P botnet, which could be developed by botmasters in the near future. Compared with current botnets, the proposed botnet is harder to be shut down, monitored, and hijacked. It provides robust network connectivity, individualized encryption and control traffic dispersion, limited botnet exposure by each bot, and easy monitoring and recovery by its botmaster. We suggest and analyze several possible defenses against this advanced botnet. Upon our understanding of P2P botnets, we turn our focus to P2P botnet countermeasures. We provide mathematical analysis of two P2P botnet mitigation approaches--index poisoning defense and Sybil defense, and one monitoring technique--passive monitoring. We are able to give analytical results to evaluate their performance. And simulation-based experiments show that our analysis is accurate. Besides P2P botnets, we investigate honeypot-aware botnets as well. This is because honeypot techniques have been widely used in botnet defense systems, botmasters will have to find ways to detect honeypots in order to protect and secure their botnets. We point out a general honeypot-aware principle, that is security professionals deploying honeypots have liability constraint such that they cannot allow their honeypots to participate in real attacks that could cause damage to others, while attackers do not need to follow this constraint. Based on this principle, a hardware- and software- independent honeypot detection methodology is proposed. We present possible honeypot detection techniques that can be used in both centralized botnets and P2P botnets. Our experiments show that current standard honeypot and honeynet programs are vulnerable to the proposed honeypot detection techniques. In the meantime, we discuss some guidelines for defending against general honeypot-aware botnet attacks.
Author: Ping Wang
Publisher:
ISBN:
Category : Computer networks
Languages : en
Pages : 131
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Book Description
A "botnet" is a network of compromised computers (bots) that are controlled by an attacker (botmasters). Botnets are one of the most serious threats to today's Internet; they are the root cause of many current Internet attacks, such as email spam, distributed denial of service (DDoS) attacks, click fraud, etc. There have been many researches on how to detect, monitor, and defend against botnets that have appeared and their attack techniques. However, it is equally important for us to investigate possible attack techniques that could be used by the next generation botnets, and develop effective defense techniques accordingly in order to be well prepared for future botnet attacks. In this dissertation, we focus on two areas of the next generation botnet attacks and defenses: the peer-to-peer (P2P) structured botnets and the possible honeypot detection techniques used by future botnets. Currently, most botnets have centralized command and control (C & C) architecture. However, P2P structured botnets have gradually emerged as a new advanced form of botnets. Without C & C servers, P2P botnets are more resilient to defense countermeasures than traditional centralized botnets. Therefore, we first systematically study P2P botnets along multiple dimensions: bot candidate selection, network construction and C & C mechanisms and communication protocols. As a further illustration of P2P botnets, we then present the design of an advanced hybrid P2P botnet, which could be developed by botmasters in the near future. Compared with current botnets, the proposed botnet is harder to be shut down, monitored, and hijacked. It provides robust network connectivity, individualized encryption and control traffic dispersion, limited botnet exposure by each bot, and easy monitoring and recovery by its botmaster. We suggest and analyze several possible defenses against this advanced botnet. Upon our understanding of P2P botnets, we turn our focus to P2P botnet countermeasures. We provide mathematical analysis of two P2P botnet mitigation approaches--index poisoning defense and Sybil defense, and one monitoring technique--passive monitoring. We are able to give analytical results to evaluate their performance. And simulation-based experiments show that our analysis is accurate. Besides P2P botnets, we investigate honeypot-aware botnets as well. This is because honeypot techniques have been widely used in botnet defense systems, botmasters will have to find ways to detect honeypots in order to protect and secure their botnets. We point out a general honeypot-aware principle, that is security professionals deploying honeypots have liability constraint such that they cannot allow their honeypots to participate in real attacks that could cause damage to others, while attackers do not need to follow this constraint. Based on this principle, a hardware- and software- independent honeypot detection methodology is proposed. We present possible honeypot detection techniques that can be used in both centralized botnets and P2P botnets. Our experiments show that current standard honeypot and honeynet programs are vulnerable to the proposed honeypot detection techniques. In the meantime, we discuss some guidelines for defending against general honeypot-aware botnet attacks.
Author: David Senecal
Publisher: Wiley
ISBN: 9781394262410
Category : Computers
Languages : en
Pages : 0
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Book Description
A top-to-bottom discussion of website bot attacks and how to defend against them In The Reign of Botnets: Defending Against Abuses, Bots and Fraud on the Internet, fraud and bot detection expert David Senecal delivers a timely and incisive presentation of the contemporary bot threat landscape and the latest defense strategies used by leading companies to defend themselves. The author uses plain language to lift the veil on bots and fraud, making a topic critical to your website's security easy to understand and even easier to implement. You'll learn how attackers think, what motivates them, how their strategies have evolved over time, and how website owners have changed their own behaviors to keep up with bad actors. You'll also discover how you can best respond to patterns and incidents that pose a threat to your site, your business, and your customers. The book includes: Techniques for balancing the ever-present needs for user privacy and security, showing you how to provide both to your customers Strategies for assessing and analyzing bot activity, including high-level and low-level methods Bot detection implementation techniques exploring the difference between positive and negative security and other key concepts Ideal for web security practitioners and website administrators, The Reign of Botnets is the perfect resource for anyone interested in learning more about web security. It's a can't-miss book for experienced professionals and total novices alike.
Author: Michael Bailey
Publisher: Springer
ISBN: 3030004708
Category : Computers
Languages : en
Pages : 712
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Book Description
This book constitutes the refereed proceedings of the 21st International Symposium on Research in Attacks, Intrusions, and Defenses, RAID 2018, held in Heraklion, Crete, Greece, in September 2018. The 32 revised full papers were carefully reviewed and selected from 145 submissions. They are organized in the following topical sections: attacks; intrusion detection and prevention; DDoS attacks; passwords, accounts, and users; machine learning for computer security; hardware-assisted security; software security; malware; IoT/CPS security; security measurements; and defenses.
Author: Management Association, Information Resources
Publisher: IGI Global
ISBN: 1799853497
Category : Computers
Languages : en
Pages : 655
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Book Description
Our world is increasingly driven by sophisticated networks of advanced computing technology, and the basic operation of everyday society is becoming increasingly vulnerable to these networks’ shortcomings. The implementation and upkeep of a strong network defense is a substantial challenge, beset not only by economic disincentives but also by an inherent logistical bias that grants advantage to attackers. Research Anthology on Combating Denial-of-Service Attacks examines the latest research on the development of intrusion detection systems and best practices for preventing and combatting cyber-attacks intended to disrupt business and user experience. Highlighting a range of topics such as network administration, application-layer protocols, and malware detection, this publication is an ideal reference source for cybersecurity professionals, IT specialists, policymakers, forensic analysts, technology developers, security administrators, academicians, researchers, and students.
Author: Dusan Stevanovic
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The existing state-of-the-art in the field of application layer Distributed Denial of Service (DDoS) protection is generally designed, and thus effective, only for static web domains. To the best of our knowledge, our work is the first that studies the problem of application layer DDoS defense in web domains of dynamic content and organization, and for next-generation bot behaviour. In the first part of this thesis, we focus on the following research tasks: 1) we identify the main weaknesses of the existing application-layer anti-DDoS solutions as proposed in research literature and in the industry, 2) we obtain a comprehensive picture of the current-day as well as the next-generation application-layer attack behaviour and 3) we propose novel techniques, based on a multidisciplinary approach that combines offline machine learning algorithms and statistical analysis, for detection of suspicious web visitors in static web domains. Then, in the second part of the thesis, we propose and evaluate a novel anti-DDoS system that detects a broad range of application-layer DDoS attacks, both in static and dynamic web domains, through the use of advanced techniques of data mining. The key advantage of our system relative to other systems that resort to the use of challenge-response tests (such as CAPTCHAs) in combating malicious bots is that our system minimizes the number of these tests that are presented to valid human visitors while succeeding in preventing most malicious attackers from accessing the web site. The results of the experimental evaluation of the proposed system demonstrate effective detection of current and future variants of application layer DDoS attacks.
Author: Markus Jakobsson
Publisher: Addison-Wesley Professional
ISBN: 0132701960
Category : Computers
Languages : en
Pages : 610
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Book Description
“This book is the most current and comprehensive analysis of the state of Internet security threats right now. The review of current issues and predictions about problems years away are critical for truly understanding crimeware. Every concerned person should have a copy and use it for reference.” —Garth Bruen, Project KnujOn Designer There’s a new breed of online predators—serious criminals intent on stealing big bucks and top-secret information—and their weapons of choice are a dangerous array of tools called “crimeware.” With an ever-growing number of companies, organizations, and individuals turning to the Internet to get things done, there’s an urgent need to understand and prevent these online threats. Crimeware: Understanding New Attacks and Defenses will help security professionals, technical managers, students, and researchers understand and prevent specific crimeware threats. This book guides you through the essential security principles, techniques, and countermeasures to keep you one step ahead of the criminals, regardless of evolving technology and tactics. Security experts Markus Jakobsson and Zulfikar Ramzan have brought together chapter contributors who are among the best and the brightest in the security industry. Together, they will help you understand how crimeware works, how to identify it, and how to prevent future attacks before your company’s valuable information falls into the wrong hands. In self-contained chapters that go into varying degrees of depth, the book provides a thorough overview of crimeware, including not only concepts prevalent in the wild, but also ideas that so far have only been seen inside the laboratory. With this book, you will Understand current and emerging security threats including rootkits, bot networks, spyware, adware, and click fraud Recognize the interaction between various crimeware threats Gain awareness of the social, political, and legal implications of these threats Learn valuable countermeasures to stop crimeware in its tracks, now and in the future Acquire insight into future security trends and threats, and create an effective defense plan With contributions by Gary McGraw, Andrew Tanenbaum, Dave Cole, Oliver Friedrichs, Peter Ferrie, and others.
Author: Mohiuddin Ahmed
Publisher: CRC Press
ISBN: 1000569799
Category : Computers
Languages : en
Pages : 172
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Book Description
The Internet is making our daily lives as digital as possible, and this new era is called the Internet of Everything (IoE). The key force behind the rapid growth of the Internet is the technological advancement of enterprises. The digital world we live in is facilitated by these enterprises’ advances and business intelligence. These enterprises need to deal with gazillions of bytes of data, and in today’s age of General Data Protection Regulation, enterprises are required to ensure privacy and security of large-scale data collections. However, the increased connectivity and devices used to facilitate IoE are continually creating more room for cybercriminals to find vulnerabilities in enterprise systems and flaws in their corporate governance. Ensuring cybersecurity and corporate governance for enterprises should not be an afterthought or present a huge challenge. In recent times, the complex diversity of cyber-attacks has been skyrocketing, and zero-day attacks, such as ransomware, botnet, and telecommunication attacks, are happening more frequently than before. New hacking strategies would easily bypass existing enterprise security and governance platforms using advanced, persistent threats. For example, in 2020, the Toll Group firm was exploited by a new crypto-attack family for violating its data privacy, where an advanced ransomware technique was launched to exploit the corporation and request a huge figure of monetary ransom. Even after applying rational governance hygiene, cybersecurity configuration and software updates are often overlooked when they are most needed to fight cyber-crime and ensure data privacy. Therefore, the threat landscape in the context of enterprises has become wider and far more challenging. There is a clear need for collaborative work throughout the entire value chain of this network. In this context, this book addresses the cybersecurity and cooperate governance challenges associated with enterprises, which will provide a bigger picture of the concepts, intelligent techniques, practices, and open research directions in this area. This book serves as a single source of reference for acquiring the knowledge on the technology, process, and people involved in next-generation privacy and security.
Author: Sharma, Shanu
Publisher: IGI Global
ISBN:
Category : Computers
Languages : en
Pages : 380
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Book Description
Technological Advancements in Data Processing for Next Generation Intelligent Systems presents an in-depth exploration of cutting-edge data processing technologies that drive the development of next-generation intelligent systems in the context of the digital transformation era. This comprehensive book delves into the role data plays as a critical asset for organizations across diverse industries, and how recent technological breakthroughs have unlocked unprecedented potential for handling vast data volumes and real-time analysis. The book begins by providing a thorough overview of novel technologies such as artificial intelligence (AI) or machine learning (ML), edge computing, federated learning, quantum computing, and more. These revolutionary technologies, when integrated with big data frameworks, in-memory computing, and AI/ML algorithms, have transformed data processing capabilities, enabling the creation of intelligent systems that fuel innovation, optimize operations, and deliver personalized experiences. The ultimate aim of this integration is to empower devices with the ability to make autonomous intelligent decisions, maximizing computing power. This book serves as a valuable resource for research scholars, academicians, and industry professionals working towards the future advancement of optimized intelligent systems and intelligent data processing approaches. The chapters encompass a wide range of topics, including architecture and frameworks for intelligent systems, applications in diverse domains, cloud-based solutions, quantum processing, federated learning, in-memory data processing, real-time stream processing, trustworthy AI for Internet of Things (IoT) sensory data, and more.
Author: Wenke Lee
Publisher: Springer Science & Business Media
ISBN: 0387687688
Category : Computers
Languages : en
Pages : 178
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Book Description
Botnets have become the platform of choice for launching attacks and committing fraud on the Internet. A better understanding of Botnets will help to coordinate and develop new technologies to counter this serious security threat. Botnet Detection: Countering the Largest Security Threat consists of chapters contributed by world-class leaders in this field, from the June 2006 ARO workshop on Botnets. This edited volume represents the state-of-the-art in research on Botnets.
Author: Yevgeni Koucheryavy
Publisher: Springer Nature
ISBN: 3031609948
Category :
Languages : en
Pages : 418
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Book Description