Critical Analysis of Ransomware in Relation to Cybercrime PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Critical Analysis of Ransomware in Relation to Cybercrime PDF full book. Access full book title Critical Analysis of Ransomware in Relation to Cybercrime by Rhoda Kariuki. Download full books in PDF and EPUB format.
Author: Rhoda Kariuki Publisher: GRIN Verlag ISBN: 3346911616 Category : Computers Languages : en Pages : 42
Book Description
Academic Paper from the year 2023 in the subject Computer Science - IT-Security, grade: A, , language: English, abstract: Ransomware attacks are not a new idea, but their prevalence has risen dramatically in recent times. A key explanation for this is the financial compensation that the perpetrator stands to gain, as well as the fact that crypto-currency allows for anonymous transactions. Initially a single-host menace, ransomware is rapidly developing to conduct more sophisticated attacks by spreading through a network of hosts. One of the most difficult aspects of defending from these attacks is that every ransomware caucus is always evolving, rendering individual samples unidentifiable. Common signature-based countermeasures, such as those used to fight viruses, are made ineffective as a result. Furthermore, attempting to reverse engineer each sample in order to develop successful countermeasures or solutions is an expensive venture. Much more so now that ransomware writers are beginning to use complicated methods ensuring that getting to the original source code more difficult. The researcher believes that a more general detection approach can be used to find a solution. It should be focused on the traits that all ransomware families share. This should help to shift the focus of research from samples to families. I collect meta-data about the files that are read and written during ransomware attacks using easy and fast metrics and applied a qualitative mode of data collection. These attacks have a common pattern of attempting to encrypt all of the victims' data. Encrypted files have a significant increase in entropy while the data size remains relatively unchanged. These characteristics can also be seen in normal user behaviour, such as when a user encrypts a file. As a result, we must allow encryption while also imposing a frequency limit to ensure that regular user traffic does not result in false positives.
Author: Rhoda Kariuki Publisher: GRIN Verlag ISBN: 3346911616 Category : Computers Languages : en Pages : 42
Book Description
Academic Paper from the year 2023 in the subject Computer Science - IT-Security, grade: A, , language: English, abstract: Ransomware attacks are not a new idea, but their prevalence has risen dramatically in recent times. A key explanation for this is the financial compensation that the perpetrator stands to gain, as well as the fact that crypto-currency allows for anonymous transactions. Initially a single-host menace, ransomware is rapidly developing to conduct more sophisticated attacks by spreading through a network of hosts. One of the most difficult aspects of defending from these attacks is that every ransomware caucus is always evolving, rendering individual samples unidentifiable. Common signature-based countermeasures, such as those used to fight viruses, are made ineffective as a result. Furthermore, attempting to reverse engineer each sample in order to develop successful countermeasures or solutions is an expensive venture. Much more so now that ransomware writers are beginning to use complicated methods ensuring that getting to the original source code more difficult. The researcher believes that a more general detection approach can be used to find a solution. It should be focused on the traits that all ransomware families share. This should help to shift the focus of research from samples to families. I collect meta-data about the files that are read and written during ransomware attacks using easy and fast metrics and applied a qualitative mode of data collection. These attacks have a common pattern of attempting to encrypt all of the victims' data. Encrypted files have a significant increase in entropy while the data size remains relatively unchanged. These characteristics can also be seen in normal user behaviour, such as when a user encrypts a file. As a result, we must allow encryption while also imposing a frequency limit to ensure that regular user traffic does not result in false positives.
Author: Claudia Lanza Publisher: CRC Press ISBN: 1040182925 Category : Computers Languages : en Pages : 113
Book Description
This book presents the development of a classification scheme to organize and represent ransomware threat knowledge through the implementation of an innovative methodology centered around the semantic annotation of domain-specific source documentation. By combining principles from computer science, document management, and semantic data processing, the research establishes an innovative framework to organize ransomware data extracted from specialized source texts in a systematic classification system. Through detailed chapters, the book explores the process of applying semantic annotation to a specialized corpus comprising CVE prose descriptions linked to known ransomware threats. This approach not only organizes but also deeply analyzes these descriptions, uncovering patterns and vulnerabilities within ransomware operations. The book presents a pioneering methodology that integrates CVE descriptions with ATT&CK frameworks, significantly refining the granularity of threat intelligence. The insights gained from a pattern-based analysis of vulnerability-related documentation are structured into a hierarchical model within an ontology framework, enhancing the capability for predictive operations. This model prepares cybersecurity professionals to anticipate and mitigate risks associated with new vulnerabilities as they are cataloged in the CVE list, by identifying recurrent characteristics tied to specific ransomware and related vulnerabilities. With real-world examples, this book empowers its readers to implement these methodologies in their environments, leading to improved prediction and prevention strategies in the face of growing ransomware challenges.
Author: Jitender Narula Publisher: BPB Publications ISBN: 9355513623 Category : Computers Languages : en Pages : 410
Book Description
Crack a ransomware by identifying and exploiting weaknesses in its design KEY FEATURES ● Get an overview of the current security mechanisms available to prevent ransomware digital extortion. ● Explore different techniques to analyze a ransomware attack. ● Understand how cryptographic libraries are misused by malware authors to code ransomwares. DESCRIPTION Ransomware is a type of malware that is used by cybercriminals. So, to break that malware and find loopholes, you will first have to understand the details of ransomware. If you are looking to understand the internals of ransomware and how you can analyze and detect it, then this book is for you. This book starts with an overview of ransomware and its building blocks. The book will then help you understand the different types of cryptographic algorithms and how these encryption and decryption algorithms fit in the current ransomware architectures. Moving on, the book focuses on the ransomware architectural details and shows how malware authors handle key management. It also explores different techniques used for ransomware assessment. Lastly, the book will help you understand how to detect a loophole and crack ransomware encryption. By the end of this book, you will be able to identify and combat the hidden weaknesses in the internal components of ransomware. WHAT YOU WILL LEARN ● Get familiar with the structure of Portable Executable file format. ● Understand the crucial concepts related to Export Directory and Export Address Table. ● Explore different techniques used for ransomware static and dynamic analysis. ● Learn how to investigate a ransomware attack. ● Get expert tips to mitigate ransomware attacks. WHO THIS BOOK IS FOR This book is for cybersecurity professionals and malware analysts who are responsible for mitigating malware and ransomware attacks. This book is also for security professionals who want to learn how to prevent, detect, and respond to ransomware attacks. Basic knowledge of C/C++, x32dbg and Reverse engineering skills is a must. TABLE OF CONTENTS Section I: Ransomware Understanding 1. Warning Signs, Am I Infected? 2. Ransomware Building Blocks 3. Current Defense in Place 4. Ransomware Abuses Cryptography 5. Ransomware Key Management Section II: Ransomware Internals 6. Internal Secrets of Ransomware 7. Portable Executable Insides 8. Portable Executable Sections Section III: Ransomware Assessment 9. Performing Static Analysis 10. Perform Dynamic Analysis Section IV: Ransomware Forensics 11. What’s in the Memory 12. LockCrypt 2.0 Ransomware Analysis 13. Jigsaw Ransomware Analysis Section V: Ransomware Rescue 14. Experts Tips to Manage Attacks
Author: Allan Liska Publisher: "O'Reilly Media, Inc." ISBN: 1491967854 Category : Computers Languages : en Pages : 189
Book Description
The biggest online threat to businesses and consumers today is ransomware, a category of malware that can encrypt your computer files until you pay a ransom to unlock them. With this practical book, you’ll learn how easily ransomware infects your system and what steps you can take to stop the attack before it sets foot in the network. Security experts Allan Liska and Timothy Gallo explain how the success of these attacks has spawned not only several variants of ransomware, but also a litany of ever-changing ways they’re delivered to targets. You’ll learn pragmatic methods for responding quickly to a ransomware attack, as well as how to protect yourself from becoming infected in the first place. Learn how ransomware enters your system and encrypts your files Understand why ransomware use has grown, especially in recent years Examine the organizations behind ransomware and the victims they target Learn how wannabe hackers use Ransomware as a Service (RaaS) to launch campaigns Understand how ransom is paid—and the pros and cons of paying Use methods to protect your organization’s workstations and servers
Author: Wenlian Lu Publisher: Springer Nature ISBN: 3030891372 Category : Computers Languages : en Pages : 274
Book Description
This book constitutes the proceedings of the Third International Conference on Science of Cyber Security, SciSec 2021, held in Shanghai, China, in August 2021. The 17 full papers and 5 short papers presented in this volume were carefully reviewed and selected from 50 submissions. These papers cover the following subjects: Cyber Security, Detection, Machine Learning and much more.
Author: Ashwini Balkrushna Kardile Publisher: ISBN: Category : Languages : en Pages : 41
Book Description
Ransomware is a faster growing threat that encrypts user's files and locks the computer and holds the key required to decrypt the files for ransom. Over the past few years, the impact of ransomware has increased exponentially. There have been several reported high profile ransomware attacks, such as CryptoLocker, CryptoWall, WannaCry, Petya and Bad Rabbit which have collectively cost individuals and companies well over a billion dollars according to FBI. As the threat of ransomware has become more prevalent, security companies and researchers have begun proposing new approaches for detection and prevention of ransomware. However, these approaches generally lack dynamicity and are either prone to a high false positive rate, or they detect ransomware after some amount of data loss has occurred. This research represents a dynamic approach to ransomware analysis and is specifically developed to detect ransomware on the user's data. It starts by generating an artificial user environment using Cuckoo Sandbox and monitoring system behavior using Process Monitor to analyze ransomware in its early stages before it interacts with the user's files. By utilizing a Cuckoo sandbox with Process Monitor, I can generate a detailed report of system activities from which ransomware behavior is analyzed. This model also keeps a record of file access rates and other file-related details in order to track potentially malicious behavior. In this paper, I demonstrate the ability of the model to identify Ransomware by providing a training set that consist of known ransomware families and samples listed on VirusTotal.
Author: Mihai Christodorescu Publisher: Springer Science & Business Media ISBN: 0387445994 Category : Computers Languages : en Pages : 307
Book Description
This book captures the state of the art research in the area of malicious code detection, prevention and mitigation. It contains cutting-edge behavior-based techniques to analyze and detect obfuscated malware. The book analyzes current trends in malware activity online, including botnets and malicious code for profit, and it proposes effective models for detection and prevention of attacks using. Furthermore, the book introduces novel techniques for creating services that protect their own integrity and safety, plus the data they manage.
Author: Patrick Wardle Publisher: No Starch Press ISBN: 1718501943 Category : Computers Languages : en Pages : 329
Book Description
A comprehensive guide to the threats facing Apple computers and the foundational knowledge needed to become a proficient Mac malware analyst. Defenders must fully understand how malicious software works if they hope to stay ahead of the increasingly sophisticated threats facing Apple products today. The Art of Mac Malware: The Guide to Analyzing Malicious Software is a comprehensive handbook to cracking open these malicious programs and seeing what’s inside. Discover the secrets of nation state backdoors, destructive ransomware, and subversive cryptocurrency miners as you uncover their infection methods, persistence strategies, and insidious capabilities. Then work with and extend foundational reverse-engineering tools to extract and decrypt embedded strings, unpack protected Mach-O malware, and even reconstruct binary code. Next, using a debugger, you’ll execute the malware, instruction by instruction, to discover exactly how it operates. In the book’s final section, you’ll put these lessons into practice by analyzing a complex Mac malware specimen on your own. You’ll learn to: Recognize common infections vectors, persistence mechanisms, and payloads leveraged by Mac malware Triage unknown samples in order to quickly classify them as benign or malicious Work with static analysis tools, including disassemblers, in order to study malicious scripts and compiled binaries Leverage dynamical analysis tools, such as monitoring tools and debuggers, to gain further insight into sophisticated threats Quickly identify and bypass anti-analysis techniques aimed at thwarting your analysis attempts A former NSA hacker and current leader in the field of macOS threat analysis, Patrick Wardle uses real-world examples pulled from his original research. The Art of Mac Malware: The Guide to Analyzing Malicious Software is the definitive resource to battling these ever more prevalent and insidious Apple-focused threats.
Author: Rhoda Kariuki
Author: Rhoda Kariuki
Author: Claudia Lanza
Author: Jitender Narula
Author: Allan Liska
Author: Wenlian Lu
Author: Ashwini Balkrushna Kardile
Author: Mihai Christodorescu
Author: Patrick Wardle
Author: Yashwant Singh
Author: Patrick O. Branche