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  • Book Overview & Buying Learning Python for Forensics
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Learning Python for Forensics

Learning Python for Forensics

By : Preston Miller, Chapin Bryce
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Learning Python for Forensics

Learning Python for Forensics

5 (4)
By: Preston Miller, Chapin Bryce

Overview of this book

This book will illustrate how and why you should learn Python to strengthen your analysis skills and efficiency as you creatively solve real-world problems through instruction-based tutorials. The tutorials use an interactive design, giving you experience of the development process so you gain a better understanding of what it means to be a forensic developer. Each chapter walks you through a forensic artifact and one or more methods to analyze the evidence. It also provides reasons why one method may be advantageous over another. We cover common digital forensics and incident response scenarios, with scripts that can be used to tackle case work in the field. Using built-in and community-sourced libraries, you will improve your problem solving skills with the addition of the Python scripting language. In addition, we provide resources for further exploration of each script so you can understand what further purposes Python can serve. With this knowledge, you can rapidly develop and deploy solutions to identify critical information and fine-tune your skill set as an examiner.
Table of Contents (18 chapters)
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15
B. Python Technical Details
17
Index

Using SSDeep in Python – ssdeep_python.py


In this second example of fuzzy hashing, we are going to implement a similar script using the ssdeep (version 3.1.1) Python library. This allows us to leverage the ssdeep tool and the Spamsum algorithm that have been widely used and accepted in the fields of digital forensics and information security. This code will be the preferred method for fuzzy hashing in most scenarios as it is more efficient with resources and produces more accurate results. This tool has seen wide support in the community, and many ssdeep signatures are available online. For example, the website http://VirusTotal.com hosts hashes from ssdeep on their site under additional information for submitted files. This public information can be used to check for known malicious files that match or are similar to executable files on a host machine without the need to download the malicious files.

One weakness of ssdeep is that it does not provide information beyond the matching percentage...

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