Book Image

Practical Mobile Forensics - Third Edition

By : Rohit Tamma, Oleg Skulkin, Heather Mahalik, Satish Bommisetty
Book Image

Practical Mobile Forensics - Third Edition

By: Rohit Tamma, Oleg Skulkin, Heather Mahalik, Satish Bommisetty

Overview of this book

Covering up-to-date mobile platforms, this book will focuses on teaching you the most recent techniques for investigating mobile devices. We delve mobile forensics techniques in iOS 9-11, Android 7-8 devices, and Windows 10. We will demonstrate the latest open source and commercial mobile forensics tools, enabling you to analyze and retrieve data effectively. You will learn how to introspect and retrieve data from the cloud, and document and prepare reports of your investigations. By the end of this book, you will have mastered the current operating systems and the relevant techniques to recover data from mobile devices by leveraging open source solutions.
Table of Contents (19 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
5
iOS Data Analysis and Recovery

Application data storage


Almost all applications rely on SQLite for data storage. These databases can be stored internally on the device or on the SD card for relevant phones. When SQLite is used, temporary memory files are commonly associated to each database to make SQLite more efficient. These files, which were previously mentioned, are write-ahead logs (WAL) and shared memory files (SHM). These files may contain data that is not present in the SQLite database. Few tools will parse this information, but the ones that are offered by Sanderson Forensics will get you started. Go to http://sandersonforensics.com/forum/content.php?261-Timelining-events-in-a-WAL-based-SQLite-DB for more information. We can see several WAL and SHM files associated with various WhatsApp database files in the following screenshot:

An SHM file and WAL example

In addition to SQLite databases, other devices rely on Plist, XML, JSON, and DAT files for application data storage, account data storage, purchase information...