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Learning Python for Forensics

You're reading from   Learning Python for Forensics Learn the art of designing, developing, and deploying innovative forensic solutions through Python

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Product type Paperback
Published in May 2016
Last Updated in Feb 2025
Publisher Packt
ISBN-13 9781783285235
Length 488 pages
Edition 1st Edition
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Authors (2):
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 Miller Miller
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Miller
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Table of Contents (18) Chapters Close

Preface 1. Now For Something Completely Different FREE CHAPTER 2. Python Fundamentals 3. Parsing Text Files 4. Working with Serialized Data Structures 5. Databases in Python 6. Extracting Artifacts from Binary Files 7. Fuzzy Hashing 8. The Media Age 9. Uncovering Time 10. Did Someone Say Keylogger? 11. Parsing Outlook PST Containers 12. Recovering Transient Database Records 13. Coming Full Circle A. Installing Python B. Python Technical Details
C. Troubleshooting Exceptions Index

UserAssist


The UserAssist artifact identifies graphical user interface, GUI, application execution on Windows machines. This artifact stores differing amounts of information depending on the version of Windows OS. To identify the data specific to certain applications, we have to decode the registry key name as it is stored as the ROT13-encoded path and name of the application. The UserAssist value data for Windows XP and Vista is 16 bytes in length, and it stores the following:

  • The last execution time in UTC (in FILETIME format)

  • Execution count

  • Session ID

The last execution time information is stored as a Windows FILETIME object. This is another common representation of time that differs from the UNIX timestamps we've seen in previous chapters. We will show how this timestamp can be interpreted within Python and displayed as human readable through this chapter. The execution count represents the number of times the application has been launched.

Windows 7 and higher store even more data than...

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