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E-raamat: Game Hacking

4.03/5 (69 hinnangut Goodreads-ist)

Nick Cano

Formaat: EPUB+DRM
Ilmumisaeg: 01-Jul-2016
Kirjastus: No Starch Press,US
Keel: eng
ISBN-13: 9781593277819

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Formaat: EPUB+DRM
Ilmumisaeg: 01-Jul-2016
Kirjastus: No Starch Press,US
Keel: eng
ISBN-13: 9781593277819

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Wish your favorite PC game had a more informative heads up display? What if you could instantly collect all that loot from your latest epic battle? You don't need to be a sorcerer to transform a game you like into a game you love. Just make a bot to do the grunt work for you!

If you're familiar with Windows-based development and memory management, then Game Hacking, provides all the tools and knowledge you need to become a true game hacker. Let veteran game hacker Nick Cano teach you the basics, including reverse engineering, assembly code analysis, programmatic memory manipulation, and code injection. Throughout the book, you'll hone your new skills with hands-on labs, dig into practice binaries, and learn to write your own bot.

Level up your toolbox with hacking techniques:

Scan and modify memory with Cheat Engine
Explore program structure and execution flow with OllyDBG
Log processes and pinpoint useful data files with Process Monitor
Manipulate control flow through NOPing, hooking, and more
Locate and dissect common game memory structures

Discover the secrets behind common game bots, including:

Persistent hacks, such as a heads up display
Responsive hacks, such as auto healers and combo bots
Bots with artificial intelligence, such as cave walkers and automatic looters

Game hacking might seem like black magic, but that doesn't mean it's evil. When you know how bot makers create bots and why they do it, you'll be empowered to discourage and defend against bots in your own games!

Journey through the inner workings of PC games, and come away with a deeper understanding of both game design and computer security.

Arvustused

Game Hacking contains more than just interesting material; it contains an education. Budding programmers and game designers will gain critical insights. Perhaps, for someone with the predisposition and the will to develop their skills, this book could even kick-start a new career. Josh Townsend, IT Security

"Game Hacking makes for both a great read straight through or as a desk reference when reversing games or abusing Windows process memory. I give the book 9 out of 10 stars, as probably one of the best technical computer security books I have read in a while." Dan Borges, LockBoxx

Foreword

Dr. Jared Demott

Acknowledgments

xvii

Introduction

xix

Prerequisites for the Reader

A Brief Game Hacking History

Why Hack Games?

xxi

How This Book Is Organized

xxii

About the Online Resources

xxiv

How to Use This Book

xxiv

Part 1 Tools Of The Trade

1 Scanning Memory Using Cheat Engine

(20)

Why Memory Scanners Are Important

(1)

Basic Memory Scanning

(1)

Cheat Engine's Memory Scanner

(3)

Scan Types

(1)

Running Your First Scan

(1)

Next Scans

(1)

When You Can't Get a Single Result

(1)

Cheat Tables

(1)

Memory Modification in Games

(3)

Manual Modification with Cheat Engine

(1)

Trainer Generator

(2)

Pointer Scanning

(7)

Pointer Chains

(1)

Pointer Scanning Basics

(2)

Pointer Scanning with Cheat Engine

(3)

Pointer Rescanning

(1)

Lua Scripting Environment

(4)

Searching for Assembly Patterns

(2)

Searching for Strings

(1)

Closing Thoughts

(1)

2 Debugging Games With Ollydbg

(26)

A Brief Look at OllyDbg's User Interface

(2)

OllyDbg's CPU Window

(5)

Viewing and Navigating a Game's Assembly Code

(2)

Viewing and Editing Register Contents

(1)

Viewing and Searching a Game's Memory

(1)

Viewing a Game's Call Stack

(1)

Creating Code Patches

(1)

Tracing Through Assembly Code

(1)

OllyDbg's Expression Engine

(3)

Using Expressions in Breakpoints

(1)

Using Operators in the Expression Engine

(1)

Working with Basic Expression Elements

(1)

Accessing Memory Contents with Expressions

(1)

OllyDbg Expressions in Action

(6)

Pausing Execution When a Specific Player's Name Is Printed

(2)

Pausing Execution When Your Character's Health Drops

(3)

OllyDbg Plug-ins for Game Hackers

(5)

Copying Assembly Code with Asm2Clipboard

(1)

Adding Cheat Engine to OllyDbg with Cheat Utility

(1)

Controlling OllyDbg Through the Command Line

(2)

Visualizing Control Flow with OllyFlow

(2)

Closing Thoughts

(2)

3 Reconnaissance With Process Monitor And Process Explorer

(16)

Process Monitor

(5)

Logging In-Game Events

(2)

Inspecting Events in the Process Monitor Log

(1)

Debugging a Game to Collect More Data

(2)

Process Explorer

(6)

Process Explorer's User Interface and Controls

(1)

Examining Process Properties

(2)

Handle Manipulation Options

(2)

Closing Thoughts

(4)

Part 2 Game Dissection

4 From Code To Memory: A General Primer

(32)

How Variables and Other Data Manifest in Memory

(12)

Numeric Data

(2)

String Data

(2)

Data Structures

(2)

Unions

(1)

Classes and VF Tables

(4)

x86 Assembly Crash Course

(18)

Command Syntax

(2)

Processor Registers

(5)

The Call Stack

(3)

Important x86 Instructions for Game Hacking

(7)

Closing Thoughts

(1)

5 Advanced Memory Forensics

(22)

Advanced Memory Scanning

(7)

Deducing Purpose

(1)

Finding the Player's Health with OllyDbg

(2)

Determining New Addresses After Game Updates

101

(4)

Identifying Complex Structures in Game Data

105

(13)

The std::string Class

105

(3)

The std::vector Class

108

(2)

The std::list Class

110

(4)

The std::map Class

114

(4)

Closing Thoughts

118

(1)

6 Reading From And Writing To Game Memory

119

(14)

Obtaining the Game's Process Identifier

120

(2)

Obtaining Process Handles

121

(1)

Working with OpenProcess()

121

(1)

Accessing Memory

122

(2)

Working with ReadProcessMemory() and WriteProcessMemory()

122

(1)

Accessing a Value in Memory with ReadProcessMemory() and WriteProcessMemory()

123

(1)

Writing Templated Memory Access Functions

123

(1)

Memory Protection

124

(4)

Differentiating x86 Windows Memory Protection Attributes

125

(1)

Changing Memory Protection

126

(2)

Address Space Layout Randomization

128

(2)

Disabling ASLR to Simplify Bot Development

128

(1)

Bypassing ASLR in Production

128

(2)

Closing Thoughts

130

(3)

Part 3 Process Puppeteering

7 Code Injection

133

(16)

Injecting Code Caves with Thread Injection

134

(4)

Creating an Assembly Code Cave

134

(1)

Translating the Assembly to Shellcode

135

(1)

Writing the Code Cave to Memory

136

(1)

Using Thread Injection to Execute the Code Cave

137

(1)

Hijacking a Game's Main Thread to Execute Code Caves

138

(4)

Building the Assembly Code Cave

138

(2)

Generating Skeleton Shellcode and Allocating Memory

140

(1)

Finding and Freezing the Main Thread

141

(1)

Injecting DLLs for Full Control

142

(5)

Tricking a Process into Loading Your DLL

143

(2)

Accessing Memory in an Injected DLL

145

(1)

Bypassing ASLR in an Injected DLL

146

(1)

Closing Thoughts

147

(2)

8 Manipulating Control Flow In A Game

149

(40)

NOPing to Remove Unwanted Code

150

(3)

When to NOP

150

(1)

How to NOP

151

(2)

Hooking to Redirect Game Execution

153

(16)

Call Hooking

153

(3)

VF Table Hooking

156

(4)

IAT Hooking

160

(5)

Jump Hooking

165

(4)

Applying Call Hooks to Adobe AIR

169

(6)

Accessing the RTMP Goldmine

169

(2)

Hooking the RTMPS encode() Function

171

(1)

Hooking the RTMPS decode() Function

172

(1)

Placing the Hooks

173

(2)

Applying Jump Hooks and VF Hooks to Direct3D

175

(10)

The Drawing Loop

176

(1)

Finding the Direct3D Device

177

(5)

Writing a Hook for EndScene()

182

(1)

Writing a Hook for Reset()

183

(1)

What's Next?

184

(1)

Closing Thoughts

185

(4)

Part 4 Creating Bots

9 Using Extrasensory Perception To Ward Off Fog Of War

189

(14)

Background Knowledge

190

(1)

Revealing Hidden Details with Lighthacks

190

(2)

Adding a Central Ambient Light Source

190

(1)

Increasing the Absolute Ambient Light

191

(1)

Creating Other Types of Lighthacks

192

(1)

Revealing Sneaky Enemies with Wallhacks

192

(5)

Rendering with Z-Buffering

193

(1)

Creating a Direct3D Wallhack

194

(2)

Fingerprinting the Model You Want to Reveal

196

(1)

Getting a Wider Field of Vision with Zoomhacks

197

(1)

Using NOPing Zoomhacks

197

(1)

Scratching the Surface of Hooking Zoomhacks

198

(1)

Displaying Hidden Data with HUDs

198

(3)

Creating an Experience HUD

199

(1)

Using Hooks to Locate Data

200

(1)

An Overview of Other ESP Hacks

201

(1)

Closing Thoughts

202

(1)

10 Responsive Hacks

203

(18)

Observing Game Events

204

(7)

Monitoring Memory

204

(1)

Detecting Visual Cues

205

(1)

Intercepting Network Traffic

206

(5)

Performing In-Game Actions

211

(7)

Emulating the Keyboard

211

(4)

Sending Packets

215

(3)

Tying the Pieces Together

218

(1)

Making the Perfect Healer

218

(1)

Resisting Enemy Crowd-Control Attacks

218

(1)

Avoiding Wasted Mana

219

(1)

Closing Thoughts

219

(2)

11 Putting It All Together: Writing Autonomous Bots

221

(24)

Control Theory and Game Hacking

222

(1)

State Machines

223

(2)

Combining Control Theory and State Machines

225

(7)

A Basic Healer State Machine

225

(3)

A Complex Hypothetical State Machine

228

(2)

Error Correction

230

(2)

Pathfinding with Search Algorithms

232

(9)

Two Common Search Techniques

233

(1)

How Obstacles Disrupt Searches

233

(1)

An A* Search Algorithm

234

(6)

When A* Searches Are Particularly Useful

240

(1)

Common and Cool Automated Hacks

241

(3)

Looting with Cavebots

241

(2)

Automating Combat with Warbots

243

(1)

Closing Thoughts

244

(1)

12 Staying Hidden

245

(20)

Prominent Anti-Cheat Software

246

(1)

The PunkBuster Toolkit

246

(1)

Signature-Based Detection

246

(1)

Screenshots

247

(1)

Hash Validation

247

(1)

The ESEA Anti-Cheat Toolkit

247

(1)

The VAC Toolkit

247

(1)

DNS Cache Scans

248

(1)

Binary Validation

248

(1)

False Positives

248

(1)

The GameGuard Toolkit

248

(1)

User-Mode Rootkit

248

(1)

Kernel-Mode Rootkit

249

(1)

The Warden Toolkit

249

(1)

Carefully Managing a Bot's Footprint

250

(6)

Minimizing a Bot's Footprint

250

(1)

Masking Your Footprint

251

(1)

Teaching a Bot to Detect Debuggers

251

(4)

Anti-Debugging Techniques

255

(1)

Defeating Signature-Based Detection

256

(2)

Defeating Screenshots

258

(1)

Defeating Binary Validation

259

(2)

Defeating an Anti-Cheat Rootkit

261

(1)

Defeating Heuristics

262

(1)

Closing Thoughts

263

(2)

Index

265

Nick Cano is a senior security engineer at Bromium, where he develops software to defend against advanced malware. He wrote his first scripts for open-source game servers when he was 12 years old and has been involved with bot development communities ever since. Cano maintains his own game bot company and advises developers and designers on best practices to discourage and protect their games against bots

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