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Python Programming for Hackers and Reverse Engineers PDF

Download Python Programming for Hackers and Reverse Engineers PDF book free online – From Python Programming for Hackers and Reverse Engineers PDF: Python is fast becoming the programming language of choice for hackers, reverse engineers, and software testers because it’s easy to write quickly, and it has the low-level support and libraries that make hackers happy. But until now, there has been no real manual on how to use Python for a variety of hacking tasks. You had to dig through forum posts and man pages, endlessly tweaking your own code to get everything working. Not anymore.

Python Programming for Hackers and Reverse Engineers PDF

Gray Hat Python explains the concepts behind hacking tools and techniques like debuggers, trojans, fuzzers, and emulators. But author Justin Seitz goes beyond theory, showing you how to harness existing Python-based security tools—and how to build your own when the pre-built ones won’t cut it.

You’ll learn how to:
–Automate tedious reversing and security tasks
–Design and program your own debugger
–Learn how to fuzz Windows drivers and create powerful fuzzers from scratch
–Have fun with code and library injection, soft and hard hooking techniques, and other software trickery
–Sniff secure traffic out of an encrypted web browser session
–Use PyDBG, Immunity Debugger, Sulley, IDAPython, PyEMU, and more

The world’s best hackers are using Python to do their handiwork. Shouldn’t you?

Introduction – Python Programming for Hackers and Reverse Engineers PDF

I learned Python specifically for hacking—and I’d
venture to say that’s a true statement for a lot of other
folks, too. I spent a great deal of time hunting around
for a language that was well suited for hacking and
reverse engineering, and a few years ago it became very apparent that
Python was becoming the natural leader in the hacking-programminglanguage department. The tricky part was the fact that there was no real
manual on how to use Python for a variety of hacking tasks. You had to dig
through forum posts and man pages and typically spend quite a bit of time
stepping through code to get it to work right. This book aims to fill that gap
by giving you a whirlwind tour of how to use Python for hacking and reverse
engineering in a variety of ways.
The book is designed to allow you to learn some theory behind most
hacking tools and techniques, including debuggers, backdoors, fuzzers,
emulators, and code injection, while providing you some insight into how
prebuilt Python tools can be harnessed when a custom solution isn’t needed. Python Programming for Hackers and Reverse Engineers PDF
You’ll learn not only how to use Python-based tools but how to build tools in
Python. But be forewarned, this is not an exhaustive reference! There are
xx Introduction
many, many infosec (information security) tools written in Python that I did
not cover. However, this book will allow you to translate a lot of the same
skills across applications so that you can use, debug, extend, and customize
any Python tool of your choice.
There are a couple of ways you can p rogress through this book. If you
are new to Python or to building hacking tools, then you should read the
book front to back, in order. You’ll learn some necessary theory, program
oodles of Python code, and have a solid grasp of how to tackle a myriad of
hacking and reversing tasks by the time you get to the end. If you are familiar
with Python already and have a good grasp on the Python library ctypes,
then jump straight to Chapter 2. For those of you who have been around
the block, it’s easy enough to jump around in the book and use code snippets
or certain sections as you need them in your day-to-day tasks.
I spend a great deal of time on debuggers, beginning with debugger
theory in Chapter 2, and progressing straight through to Immunity Debugger
in Chapter 5. Debuggers are a crucial tool for any hacker, and I make no bones
about covering them extensively. Moving forward, you’ll learn some hooking
and injection techniques in Chapters 6 and 7, which you can add to some of
the debugging concepts of program control and memory manipulation.
The next section of the book is aimed at breaking applications using
fuzzers. In Chapter 8, you’ll begin learning about fuzzing, and we’ll construct
our own basic file fuzzer. In Chapter 9, we’ll harness the powerful Sulley
fuzzing framework to break a real-world FTP daemon, and in Chapter 10
you’ll learn how to build a fuzzer to destroy Windows drivers.
In Chapter 11, you’ll see how to automate static analysis tasks in IDA Pro,
the popular binary static analysis tool. We’ll wrap up the book by covering
PyEmu, the Python-based emulator, in Chapter 12. Python Programming for Hackers and Reverse Engineers PDF

I have tried to keep the code listings somewhat short, with detailed
explanations of how the code works inserted at specific points. Part of learning a new language or mastering new libraries is spending the necessary sweat
time to actually write out the code and debug your mistakes. I encourage you
to type in the code! All source will be posted to http://www.nostarch.com/
ghpython.htm for your downloading pleasure.
Now let’s get coding!

Review

I purchased this book as an attempt to learn more about debugging and hacking using Python.

The content itself is good. It’s well organized and very clear, even for someone like me who is a self-taught programmer with ~1 year of Python experience. Perusing Chapters 2 and 3 should bring anyone up to speed on debuggers. The remaining chapters do a nice job of explaining various Python tools to use in hacking and reverse engineering.

Unfortunately, the code fragments in Chapter 3 (where you build your own debugger in Python) could best be described as a disaster. I expect a programming book’s code to run without extensive tweaks. I don’t need it to be the most Pythonic code in the world … just generate the expected results. Given the importance of Chapter 3 to your understanding of a good portion of the book, these errors were a killer. Python Programming for Hackers and Reverse Engineers PDF

Given that the code required extensive fixes to run as intended, the errata (now on No Starch Press’s website) was delayed by at least a year from publishing, and there was no forum on No Starch Press’s website to pass errata around in the meantime, the book loses 2 stars.

The lesson: if you’re going to publish a programming book, get the code right. Absent the ability to do so, at least support your book’s readers in working around the issues.

Edit: Sorry, wanted to point out one more thing. For Chapter 3, the code on the website’s source files don’t always match the code walked through in the book, even on parts of the code that are fully functioning. Your best bet is to start with the code on the website and debug that.

BRIEF CONTENTS
Foreword by Dave Aitel …………………………………………………………………………………… xiii
Acknowledgments …………………………………………………………………………………………..xvii
Introduction ……………………………………………………………………………………………………xix
Chapter 1: Setting Up Your Development Environment…………………………………………………1
Chapter 2: Debuggers and Debugger Design ………………………………………………………….13
Chapter 3: Building a Windows Debugger …………………………………………………………….25
Chapter 4: PyDbg—A Pure Python Windows Debugger……………………………………………..57
Chapter 5: Immunity Debugger—The Best of Both Worlds…………………………………………..69
Chapter 6: Hooking …………………………………………………………………………………………85
Chapter 7: DLL and Code Injection……………………………………………………………………….97
Chapter 8: Fuzzing ………………………………………………………………………………………..111
Chapter 9: Sulley …………………………………………………………………………………………..123
Chapter 10: Fuzzing Windows Drivers ………………………………………………………………..137
Chapter 11: IDAPython—Scripting IDA Pro …………………………………………………………..153
Chapter 12: PyEmu—The Scriptable Emulator………………………………………………………..163
Index………………………………………………………………………………………………………….183

About the Author

Justin Seitz is a senior security researcher for Immunity, Inc., where he spends his time bug hunting, reverse engineering, writing exploits, and coding Python. He is the author of Black Hat Python (No Starch Press).

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