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Learning Pentesting for Android Devices

By : Aditya Gupta

4.3 (11)

Learning Pentesting for Android Devices

4.3 (11)

By: Aditya Gupta

Overview of this book

This is an easy-to-follow guide, full of hands-on and real-world examples of applications. Each of the vulnerabilities discussed in the book is accompanied with the practical approach to the vulnerability, and the underlying security issue. This book is intended for all those who are looking to get started in Android security or Android application penetration testing. You don’t need to be an Android developer to learn from this book, but it is highly recommended that developers have some experience in order to learn how to create secure applications for Android.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Started with Android Security

1. Getting Started with Android Security

Introduction to Android

Digging deeper into Android

Sandboxing and the permission model

Application signing

Android startup process

Summary

2. Preparing the Battlefield

2. Preparing the Battlefield

Setting up the development environment

Useful utilities for Android Pentest

Summary

3. Reversing and Auditing Android Apps

3. Reversing and Auditing Android Apps

Android application teardown

Reversing an Android application

Using Apktool to reverse an Android application

Auditing Android applications

Content provider leakage

Insecure file storage

OWASP top 10 vulnerabilities for mobiles

Summary

4. Traffic Analysis for Android Devices

4. Traffic Analysis for Android Devices

Android traffic interception

Ways to analyze Android traffic

HTTPS Proxy interception

Extracting sensitive files with packet capture

Summary

5. Android Forensics

5. Android Forensics

Types of forensics

Filesystems

Using dd to extract data

Using Andriller to extract an application's data

Using AFLogical to extract contacts, calls, and text messages

Dumping application databases manually

Logging the logcat

Using backup to extract an application's data

Summary

6. Playing with SQLite

6. Playing with SQLite

Understanding SQLite in depth

Security vulnerability

Summary

7. Lesser-known Android Attacks

7. Lesser-known Android Attacks

Android WebView vulnerability

Infecting legitimate APKs

Vulnerabilities in ad libraries

Cross-Application Scripting in Android

Summary

8. ARM Exploitation

8. ARM Exploitation

Introduction to ARM architecture

Setting up the environment

Simple stack-based buffer overflow

Return-oriented programming

Android root exploits

Summary

9. Writing the Pentest Report

9. Writing the Pentest Report

Basics of a penetration testing report

Writing the pentest report

Summary

Security Audit of

Table of Contents

1. Introduction

2. Auditing and Methodology

3. Conclusions

Index

Index

Android traffic interception

The insufficient transport layer protection is the third biggest risk in mobile devices according to OWASP Mobile Top10 (https://www.owasp.org/index.php/Projects/OWASP_Mobile_Security_Project_-_Top_Ten_Mobile_Risks). In fact, imagine a scenario where an application is submitting the user's login credentials via HTTP to the server. What if the user is sitting in a coffee shop or at an airport and is logging in to his application while someone is sniffing the network. The attacker will be able to get the entire login credentials of the particular user, which could be used for malicious purposes later. Let's say the application is doing the authentication over HTTPS, the session management over HTTP, and is passing the authentication cookies in the requests. In that case as well, the attacker will be able to get the authentication cookies by intercepting the network while performing a man-in-the-middle attack. Using those authentication cookies, he could...

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