FORENSICS 408 - Day 5

Core Windows Forensics Part IV - Web Browser Forensics

Friday, March 16, 2012 : 9am - 5pm
Chad Tilbury, SANS Certified Instructor
6 CPE/CMU Credits

Focus: Internet Explorer and Firefox Browser Digital Forensics. Learn how to examine exactly what an individual did while surfing via their web-browser. The results will give you pause the next time you use the web.

With the increasing use of the web and the shift toward cloud computing using web-based applications, it is essential that browser forensic analysis is key to the investigator's skills. The investigator will explore comprehensive web browser evidence created during the use of Internet Explorer and Firefox. The analyst will learn how to examine cookies, history, and Internet cache files of the suspect's system. We will show you where you can examine these files and the common mistakes amateur investigators make when looking at browser artifacts.

Throughout the day, the investigator will utilize their skills in real hands-on cases, exploring evidence created by Firefox and Internet Explorer and Windows OS artifacts.

Day 5 topics include:

  • Browser Forensics
    • History
    • Cache
    • Searches
    • Downloads
    • Understanding of Browser Timestamps
    • Internet Explorer 6, 7, 8, and 9
  • IE Key Forensic File Locations
  • History Index.dat (Master, Daily, Weekly) Timestamps
  • Cache Index.dat Timestamps
  • InPrivate Browsing
  • IE8/IE9 Recovery Folder Analysis
    • Firefox 2-5
  • FF2 and FF3-5 Key Forensic File Locations
  • Mork format and .sqlite files
  • Download History
  • Cache Examinations
  • Typed URLs
  • FF3+ Recovery Data Analysis
  • Private Browsing
  • Session Recovery
    • Examination of Browser Artifacts
  • Flash Cookie Files
  • DOM Objects
  • Super Cookies
    • Tools Used
  • MANDIANT Inc.'s Web Historian
  • Access Data's FTK
  • FoxAnalysis

Day 5 exercises

  • Track a suspect's activity in browser history and cache files
  • Examine which files a suspect downloaded
  • Determine URLs a suspect type, click on, bookmark, or merely pop-up while they were browsing

This track and the Hacker Refresher course by Skoudis really opened my eyes to the amount of vulnerabilities that we face today.
-Stephen De Jong, Equity Office Properties