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BrowStExPlus: A Tool to Aggregate IndexedDB Artifacts for Forensic Analysis.

Furkan Paligu1, Avinash Kumar1, Hyuk Cho1

  • 1Department of Computer Science, Sam Houston State University, 1903 Ave I, Huntsville, TX, 77341, USA.

Journal of Forensic Sciences
|March 21, 2019
PubMed
Summary
This summary is machine-generated.

Digital forensics investigators face challenges with new web technologies. This study examines IndexedDB storage in major browsers, finding user data like screen names and conversations, and introduces an enhanced tool, BrowStExPlus, for artifact aggregation.

Keywords:
IndexedDBforensic sciencepersistent storageweb browser forensicsweb storage

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Area of Science:

  • Digital Forensics
  • Cybersecurity
  • Web Technologies

Background:

  • The rapid evolution of the Internet and World Wide Web presents significant challenges for forensic analysis.
  • Web browser forensics is crucial for uncovering suspect browsing information in criminal investigations.

Purpose of the Study:

  • To examine the emerging web storage technology, IndexedDB, across major web browsers and operating systems.
  • To investigate data storage patterns within IndexedDB for top US websites.
  • To demonstrate the aggregation of IndexedDB artifacts using an enhanced forensic tool.

Main Methods:

  • Scrutinizing IndexedDB characteristics in five major web browsers on three major operating systems.
  • Analyzing data storage in IndexedDB for the top 15 US websites.
  • Extending a proof-of-concept tool (BrowStEx) to BrowStExPlus for artifact aggregation.

Main Results:

  • IndexedDB was found to store sensitive user data, including screen names, IDs, conversation records, permissions, and image locations.
  • The study identified specific data storage behaviors of IndexedDB across different browser and OS combinations.
  • The enhanced tool, BrowStExPlus, successfully demonstrated the aggregation of IndexedDB artifacts.

Conclusions:

  • IndexedDB is a significant source of forensic evidence in web browser investigations.
  • Understanding IndexedDB storage mechanisms is vital for digital forensic practitioners.
  • The BrowStExPlus tool offers a practical solution for analyzing IndexedDB artifacts.