September 2008
Intermediate to advanced
140 pages
3h 31m
English
Content preview from iPhone ForensicsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 5. Electronic Discovery
In the previous chapter, you learned how to recover the raw media partition from the iPhone and use data-carving tools to pull out potentially deleted images, email messages, and other useful files. This chapter will help you make sense of what you’ve recovered, and guide you through working with live data on the filesystem.
Data carving is very useful for recovering files that the suspect had intentionally deleted or forgotten about. The disk image can also be mounted as a live disk, allowing access to the live (not deleted) data on the iPhone. This allows you to examine the live filesystem and determine the data’s filenames so that you know exactly what data is where.
Note
Instructions for working with the live filesystem commonly refer to the /mobile directory. If the iPhone is running firmware version 1.1.2 or earlier, these files are instead stored in /root. Be sure to make the necessary changes to your method to accommodate any changes in file location.
Converting Timestamps
Many of the timestamps found on the iPhone are presented in Unix timestamp format. To convert these to actual dates and times, use an online Unix timestamp converter, such as the ones found at http://www.4webhelp.net/us/timestamp.php and http://www.onlineconversion.com/unix_time.htm.
From the command line, a simple Perl script can be executed on Mac desktops:
$ perl -e 'require "ctime.pl"; print ctime(1200000000) . "\n";' Thu Jan 10 16:20:00 2008
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.