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Identifying parasite code characteristicsĬhecking the dynamic segment for DLL injection traces The science of detecting entry point modificationĭetecting other forms of control flow hijacking Shiva by Neil Mehta and Shawn Clowes – 2003ĭetecting emulation through syscall testingĬhecking timing delays between certain instructions The string table transformation technique Illustration 4.9 – an anti-debug with PTRACE_TRACEME example Relocatable code injection – the ET_REL injectionĮLF anti-debugging and packing techniques Illustration 4.8 – C code invoking _libc_dlopen_mode() so injection with open()/mmap() shellcode Illustration 4.7 – using LD_PRELOAD to inject wicked.so.1 Process memory viruses and rootkits – remote code injection techniques GOT – global offset table poisoning or PLT/GOT redirection

The PT_NOTE to PT_LOAD conversion infection methodĪlgorithm for PT_NOTE to PT_LOAD conversion infections Use cases for the Silvio padding infection text infection methodĪn example of text segment padding infection Passing the execution control flow to the parasiteĪlgorithm for the Silvio. ELF Virus Technology – Linux/Unix Virusesįinding legitimate space to store parasite code Process reconstruction with Quenya on a 32-bit test environmentĤ. Process image reconstruction – from the memory to the executableĬhallenges for process-executable reconstruction Relocatable code injection-based binary patchingĪ simple ptrace debugger with process attach capabilities PT_DYNAMIC – Phdr for the dynamic segment Support files, eBooks, discount offers, and moreĮRESI – The ELF reverse engineering system interface The tutorials are filled with knowledge gained through first hand experience, and are complemented with frequent examples including source code. In the computer security industry these skills are priceless, and scarce. The material in this book provides detailed insight into the arcane arts of hacking, coding, reverse engineering Linux executables, and dissecting process memory. This book will lead you into territory that is uncharted even by some experts right into the world of the computer hacker. Finally, you will be walked through complex userspace memory infection analysis.

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You will discover how to detect and disinfect kernel-mode rootkits, and move on to analyze static code. The latter half of the book discusses the usage of Kprobe instrumentation for kernel hacking, code patching, and debugging. You will learn about process tracing, and will explore the different types of Linux and UNIX viruses, and how you can make use of ELF Virus Technology to deal with them. This book will start by taking you through UNIX/Linux object utilities, and will move on to teaching you all about the ELF specimen.

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Learning Linux Binary Analysis is packed with knowledge and code that will teach you the inner workings of the ELF format, and the methods used by hackers and security analysts for virus analysis, binary patching, software protection and more. Design ELF-related tools in the C language Perform advanced forensic analysis of binaries Bypass anti-debugging measures used in malware Work with binary hardening and software anti-tamper methods Discover techniques for UNIX Virus infection and analysis Explore the internal workings of the ELF binary format Some experience with the C programming language and the Linux command line is assumed. This book is great for both security enthusiasts and system level engineers. If you are a software engineer or reverse engineer and want to learn more about Linux binary analysis, this book will provide you with all you need to implement solutions for binary analysis in areas of security, forensics, and antivirus. Insights into UNIX and Linux memory infections, ELF viruses, and binary protection schemes Design tools for reverse engineering and binary forensic analysis Grasp the intricacies of the ELF binary format of UNIX and Linux Uncover the secrets of Linux binary analysis with this handy guide