So far, we have covered Linux binaries and memory as it pertains to userland. This book won't be complete, however, if we don't spend a chapter on the Linux kernel. This is because it is actually an ELF binary as well. Similar to how a program is loaded into memory, the Linux kernel image, also known as vmlinux, is loaded into memory at boot time. It has a text segment and a data segment, overlaid with many section headers that are very specific to the kernel, and which you won't see in userland executables. We will also briefly cover LKMs in this chapter, as they are ELF files too.
Learning Linux Binary Analysis
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Learning Linux Binary Analysis
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Overview of this book
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.
This book will start by taking you through UNIX/Linux object utilities, and will move on to teaching you all about the ELF specimen. 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.
The latter half of the book discusses the usage of Kprobe instrumentation for kernel hacking, code patching, and debugging. You will discover how to detect and disinfect kernel-mode rootkits, and move on to analyze static code. Finally, you will be walked through complex userspace memory infection analysis.
This book will lead you into territory that is uncharted even by some experts; right into the world of the computer hacker.
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Learning Linux Binary Analysis
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Table of Contents (17 chapters)
Learning Linux Binary Analysis
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
Free Chapter
The Linux Environment and Its Tools
The ELF Binary Format
Linux Process Tracing
ELF Virus Technology – Linux/Unix Viruses
Linux Binary Protection
ELF Binary Forensics in Linux
Process Memory Forensics
ECFS – Extended Core File Snapshot Technology
Linux /proc/kcore Analysis
Index
Customer Reviews