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Learning Linux Binary Analysis

Learning Linux Binary Analysis

By : "elfmaster" O'Neill
4.8 (10)
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Learning Linux Binary Analysis

Learning Linux Binary Analysis

4.8 (10)
By: "elfmaster" O'Neill

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.
Table of Contents (11 chapters)
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10
Index

Resistance to emulation


Often, emulators are used to perform dynamic analysis and reverse engineering tasks on executables. One very good reason for this is that they allow the reverse engineer to easily instrument the control of the execution, and they also bypass a lot of typical anti-debugging techniques. There are many emulators being used out there—QEMU, BOCHS, and Chris Eagles' IDA X86 emulator plugin, to name some. So, countless anti-emulation techniques exist, but some of them are specific to each emulator's particular implementation.

This topic could expand into some very in-depth discussions and move in many directions, but I will keep it limited to my own experience. In my own experimentation with emulation and anti-emulation in the Maya protector, I have learned some generic techniques that should work against at least some emulators. The goal of our binary protector's anti-emulation is to be able to detect when it is being run in an emulator, and if this is true, it should halt...

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