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iOS Forensics for Investigators

You're reading from   iOS Forensics for Investigators Take mobile forensics to the next level by analyzing, extracting, and reporting sensitive evidence

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781803234083
Length 316 pages
Edition 1st Edition
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Author (1):
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Gianluca Tiepolo Gianluca Tiepolo
Author Profile Icon Gianluca Tiepolo
Gianluca Tiepolo
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1 – Data Acquisition from iOS Devices
2. Chapter 1: Introducing iOS Forensics FREE CHAPTER 3. Chapter 2: Data Acquisition from iOS Devices 4. Section 2 – iOS Data Analysis
5. Chapter 3: Using Forensic Tools 6. Chapter 4: Working with Common iOS Artifacts 7. Chapter 5: Pattern-of-Life Forensics 8. Chapter 6: Dissecting Location Data 9. Chapter 7: Analyzing Connectivity Data 10. Chapter 8: Email and Messaging Forensics 11. Chapter 9: Photo, Video, and Audio Forensics 12. Chapter 10: Analyzing Third-Party Apps 13. Chapter 11: Locked Devices, iTunes Backups, and iCloud Forensics 14. Section 3 – Reporting
15. Chapter 12: Writing a Forensic Report and Building a Timeline 16. Other Books You May Enjoy

Analyzing user viewing activity

So far, we have focused on analyzing photo and video media assets; however, the investigator may want to understand not only what media was stored on a device but also what media the user viewed.

This may include any of the following:

  • Audio/video streamed through Safari or other browsers
  • Music played through Apple Music or third-party apps such as Spotify
  • Videos played through third-party apps such as YouTube and Netflix

The KnowledgeC.db database, which we discussed in Chapter 5, Pattern-of-Life Forensics, tracks most of the user's day-to-day activity, including events related to audio or video playback.

The table of interest is the ZOBJECT table, which stores device events, organizing them by stream name. Every time iOS detects that the user has initiated media playback, a /media/nowPlaying event is triggered.

The following screenshot shows some example data from the KnowledgeC.db database, analyzed using DB Browser...

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