Hackers exploit browser vulnerabilities to attack deep within networks
The Browser Hacker's Handbook gives a practical understanding of hacking the everyday web browser and using it as a beachhead to launch further attacks deep into corporate networks. Written by a team of highly experienced computer security experts, the handbook provides hands-on tutorials exploring a range of current attack methods.
The web browser has become the most popular and widely used computer "program" in the world. As the gateway to the Internet, it is part of the storefront to any business that operates online, but it is also one of the most vulnerable entry points of any system. With attacks on the rise, companies are increasingly employing browser-hardening techniques to protect the unique vulnerabilities inherent in all currently used browsers. The Browser Hacker's Handbook thoroughly covers complex security issues and explores relevant topics such as:
* Bypassing the Same Origin Policy
* ARP spoofing, social engineering, and phishing to access browsers
* DNS tunneling, attacking web applications, and proxying--all from the browser
* Exploiting the browser and its ecosystem (plugins and extensions)
* Cross-origin attacks, including Inter-protocol Communication and Exploitation
The Browser Hacker's Handbook is written with a professional security engagement in mind. Leveraging browsers as pivot points into a target's network should form an integral component into any social engineering or red-team security assessment. This handbook provides a complete methodology to understand and structure your next browser penetration test.
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Höhe: 235 mm
Breite: 191 mm
Dicke: 35 mm
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978-1-118-66209-0 (9781118662090)
Schweitzer Klassifikation
WADE ALCORN is the creator of the BeEF open source browser exploitation framework, among toolswatch.org's top 10 security tools.
CHRISTIAN FRICHOT is a lead developer of BeEF, as well as a leader of the Perth Open Web Application Security Project.
MICHELE ORRÙ is the lead core developer of BeEF, as well as a vulnerability researcher and social engineer.
Introduction xv
Chapter 1 Web Browser Security 1
A Principal Principle 2
Exploring the Browser 3
Symbiosis with the Web Application 4
Same Origin Policy 4
HTTP Headers 5
Markup Languages 5
Cascading Style Sheets 6
Scripting 6
Document Object Model 7
Rendering Engines 7
Geolocation 9
Web Storage 9
Cross-origin Resource Sharing 9
HTML5 10
Vulnerabilities 11
Evolutionary Pressures 12
HTTP Headers 13
Reflected XSS Filtering 15
Sandboxing 15
Anti-phishing and Anti-malware 16
Mixed Content 17
Core Security Problems 17
Attack Surface 17
Surrendering Control 20
TCP Protocol Control 20
Encrypted Communication 20
Same Origin Policy 21
Fallacies 21
Browser Hacking Methodology 22
Summary 28
Questions 28
Notes 29
Chapter 2 Initiating Control 31
Understanding Control Initiation 32
Control Initiation Techniques 32
Using Cross-site Scripting Attacks 32
Using Compromised Web Applications 46
Using Advertising Networks 46
Using Social Engineering Attacks 47
Using Man-in-the-Middle Attacks 59
Summary 72
Questions 73
Notes 73
Chapter 3 Retaining Control 77
Understanding Control Retention 78
Exploring Communication Techniques 79
Using XMLHttpRequest Polling 80
Using Cross-origin Resource Sharing 83
Using WebSocket Communication 84
Using Messaging Communication 86
Using DNS Tunnel Communication 89
Exploring Persistence Techniques 96
Using IFrames 96
Using Browser Events 98
Using Pop-Under Windows 101
Using Man-in-the-Browser Attacks 104
Evading Detection 110
Evasion using Encoding 111
Evasion using Obfuscation 116
Summary 125
Questions 126
Notes 127
Chapter 4 Bypassing the Same Origin Policy 129
Understanding the Same Origin Policy 130
Understanding the SOP with the DOM 130
Understanding the SOP with CORS 131
Understanding the SOP with Plugins 132
Understanding the SOP with UI Redressing 133
Understanding the SOP with Browser History 133
Exploring SOP Bypasses 134
Bypassing SOP in Java 134
Bypassing SOP in Adobe Reader 140
Bypassing SOP in Adobe Flash 141
Bypassing SOP in Silverlight 142
Bypassing SOP in Internet Explorer 142
Bypassing SOP in Safari 143
Bypassing SOP in Firefox 144
Bypassing SOP in Opera 145
Bypassing SOP in Cloud Storage 149
Bypassing SOP in CORS 150
Exploiting SOP Bypasses 151
Proxying Requests 151
Exploiting UI Redressing Attacks 153
Exploiting Browser History 170
Summary 178
Questions 179
Notes 179
Chapter 5 Attacking Users 183
Defacing Content 183
Capturing User Input 187
Using Focus Events 188
Using Keyboard Events 190
Using Mouse and Pointer Events 192
Using Form Events 195
Using IFrame Key Logging 196
Social Engineering 197
Using TabNabbing 198
Using the Fullscreen 199
Abusing UI Expectations 204
Using Signed Java Applets 223
Privacy Attacks 228
Non-cookie Session Tracking 230
Bypassing Anonymization 231
Attacking Password Managers 234
Controlling the Webcam and Microphone 236
Summary 242
Questions 243
Notes 243
Chapter 6 Attacking Browsers 247
Fingerprinting Browsers 248
Fingerprinting using HTTP Headers 249
Fingerprinting using DOM Properties 253
Fingerprinting using Software Bugs 258
Fingerprinting using Quirks 259
Bypassing Cookie Protections 260
Understanding the Structure 261
Understanding Attributes 263
Bypassing Path Attribute Restrictions 265
Overflowing the Cookie Jar 268
Using Cookies for Tracking 270
Sidejacking Attacks 271
Bypassing HTTPS 272
Downgrading HTTPS to HTTP 272
Attacking Certificates 276
Attacking the SSL/TLS Layer 277
Abusing Schemes 278
Abusing iOS 279
Abusing the Samsung Galaxy 281
Attacking JavaScript 283
Attacking Encryption in JavaScript 283
JavaScript and Heap Exploitation 286
Getting Shells using Metasploit 293
Getting Started with Metasploit 294
Choosing the Exploit 295
Executing a Single Exploit 296
Using Browser Autopwn 300
Using BeEF with Metasploit 302
Summary 305
Questions 305
Notes 306
Chapter 7 Attacking Extensions 311
Understanding Extension Anatomy 312
How Extensions Differ from Plugins 312
How Extensions Differ from Add-ons 313
Exploring Privileges 313
Understanding Firefox Extensions 314
Understanding Chrome Extensions 321
Discussing Internet Explorer Extensions 330
Fingerprinting Extensions 331
Fingerprinting using HTTP Headers 331
Fingerprinting using the DOM 332
Fingerprinting using the Manifest 335
Attacking Extensions 336
Impersonating Extensions 336
Cross-context Scripting 339
Achieving OS Command Execution 355
Achieving OS Command Injection 359
Summary 364
Questions 365
Notes 365
Chapter 8 Attacking Plugins 371
Understanding Plugin Anatomy 372
How Plugins Differ from Extensions 372
How Plugins Differ from Standard Programs 374
Calling Plugins 374
How Plugins are Blocked 376
Fingerprinting Plugins 377
Detecting Plugins 377
Automatic Plugin Detection 379
Detecting Plugins in BeEF 380
Attacking Plugins 382
Bypassing Click to Play 382
Attacking Java 388
Attacking Flash 400
Attacking ActiveX Controls 403
Attacking PDF Readers 408
Attacking Media Plugins 410
Summary 415
Questions 416
Notes 416
Chapter 9 Attacking Web Applications 421
Sending Cross-origin Requests 422
Enumerating Cross-origin Quirks 422
Preflight Requests 425
Implications 425
Cross-origin Web Application Detection 426
Discovering Intranet Device IP Addresses 426
Enumerating Internal Domain Names 427
Cross-origin Web Application Fingerprinting 429
Requesting Known Resources 430
Cross-origin Authentication Detection 436
Exploiting Cross-site Request Forgery 440
Understanding Cross-site Request Forgery 440
Attacking Password Reset with XSRF 443
Using CSRF Tokens for Protection 444
Cross-origin Resource Detection 445
Cross-origin Web Application Vulnerability Detection 450
SQL Injection Vulnerabilities 450
Detecting Cross-site Scripting Vulnerabilities 465
Proxying through the Browser 469
Browsing through a Browser 472
Burp through a Browser 477
Sqlmap through a Browser 480
Browser through Flash 482
Launching Denial-of-Service Attacks 487
Web Application Pinch Points 487
DDoS Using Multiple Hooked Browsers 489
Launching Web Application Exploits 493
Cross-origin DNS Hijack 493
Cross-origin JBoss JMX Remote Command Execution 495
Cross-origin GlassFish Remote Command Execution 497
Cross-origin m0n0wall Remote Command Execution 501
Cross-origin Embedded Device Command Execution 502
Summary 508
Questions 508
Notes 509
Chapter 10 Attacking Networks 513
Identifying Targets 514
Identifying the Hooked Browser's Internal IP 514
Identifying the Hooked Browser's Subnet 520
Ping Sweeping 523
Ping Sweeping using XMLHttpRequest 523
Ping Sweeping using Java 528
Port Scanning 531
Bypassing Port Banning 532
Port Scanning using the IMG Tag 537
Distributed Port Scanning 539
Fingerprinting Non-HTTP Services 542
Attacking Non-HTTP Services 545
NAT Pinning 545
Achieving Inter-protocol Communication 549
Achieving Inter-protocol Exploitation 564
Getting Shells using BeEF Bind 579
The BeEF Bind Shellcode 579
Using BeEF Bind in your Exploits 585
Using BeEF Bind as a Web Shell 596
Summary 599
Questions 600
Notes 601
Chapter 11 Epilogue: Final Thoughts 605
Index 609
