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Digital Forensics in the Archive Using open source & free software to capture and curate archival digital records   Gareth Knight, FIDO Project Manager DPC: Digital Forensics for Preservation, The Oxford Centre, Oxford, 28 th  June 2011
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Forensic tools in the archive
Forensic tools in the archive
Forensic Investigation of Digital Objects (FIDO) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Daubert standard & Open Source ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Archival Scenarios ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Broad issues to consider ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Forensic hardware  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Do not (currently) possess H/W write blocker – mount media as read-only
Data Acquisition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Imaging formats/types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Acquisition tools Booting from floppy Dc3dd  and  dcfldd (if booting from floppy disk, wish to create Raw images, & unafraid of CLI) Booting from CD/USB OSFClone Guymager (pronounced: GUI-mager)  and Automatic Image & Restore (Raw only) Windows-based tools FTK Imager & OSForensics are free commercial tools that may also be used
What type of data do you wish to retrieve? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Identifying origin of data files ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Data Carving ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Img source:  http://www.flickr.com/photos/jwthompson2/160835456/
Data Carving Examples ,[object Object],[object Object],[object Object],[object Object],[object Object]
Integrated Forensic toolsets (1) Sleuthkit & Autopsy (or PTK) Set of command line tools for identifying file systems, performing file/keyword search, hash generation and look-up (via NSRL, HashKeeper, etc) and timeline mapping. Web client interface via Autopsy (free) or PTK (ajax-based, commercial) Digital Forensic Framework Cross-platform QT/Python tool. Modular design through plug-ins. Supports Raw/DD and EWF. Support for FAT, NTFS, EXTFS 2/3/4 file systems.  Hash generation & check of selected files & comparison to NSRL hash dataset. However, data carving can be slow & does not begin to extract files until it has analysed entire disk
Integrated Forensic toolsets (2) PyFlag Web-based framework written in Python dev. by Australian Department of Defence. Supports raw, sgzip, AFF, EnCase, etc. Support for keyword/file search of active/inactive files, timelines, hash and compare using Hashkeeper. OSForensic Commercial, but free at moment. Mount range of formats ( Raw, AFF, EWF, SMART, IMG, ISO, BIN). F ile/keyword search, hash generation and look-up (via NSRL, HashKeeper, etc) and timeline mapping.   Also: OSS distributions, including  SIFT Workstation, BackTrack, Penguin Sleuth, DEFT Linux, CAINE and others
Current/future challenges  for the forensic curator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],Gareth Knight Centre for e-Research, King’s College London gareth.knight@kcl.ac.uk @gknight2000 020 7848 1979 http://fido.cerch.kcl.ac.uk/  @jiscfido Questions

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Digital Forensics in the Archive

  • 1. Digital Forensics in the Archive Using open source & free software to capture and curate archival digital records Gareth Knight, FIDO Project Manager DPC: Digital Forensics for Preservation, The Oxford Centre, Oxford, 28 th June 2011
  • 2.
  • 3. Forensic tools in the archive
  • 4. Forensic tools in the archive
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. Acquisition tools Booting from floppy Dc3dd and dcfldd (if booting from floppy disk, wish to create Raw images, & unafraid of CLI) Booting from CD/USB OSFClone Guymager (pronounced: GUI-mager) and Automatic Image & Restore (Raw only) Windows-based tools FTK Imager & OSForensics are free commercial tools that may also be used
  • 13.
  • 14.
  • 15.
  • 16.
  • 17. Integrated Forensic toolsets (1) Sleuthkit & Autopsy (or PTK) Set of command line tools for identifying file systems, performing file/keyword search, hash generation and look-up (via NSRL, HashKeeper, etc) and timeline mapping. Web client interface via Autopsy (free) or PTK (ajax-based, commercial) Digital Forensic Framework Cross-platform QT/Python tool. Modular design through plug-ins. Supports Raw/DD and EWF. Support for FAT, NTFS, EXTFS 2/3/4 file systems. Hash generation & check of selected files & comparison to NSRL hash dataset. However, data carving can be slow & does not begin to extract files until it has analysed entire disk
  • 18. Integrated Forensic toolsets (2) PyFlag Web-based framework written in Python dev. by Australian Department of Defence. Supports raw, sgzip, AFF, EnCase, etc. Support for keyword/file search of active/inactive files, timelines, hash and compare using Hashkeeper. OSForensic Commercial, but free at moment. Mount range of formats ( Raw, AFF, EWF, SMART, IMG, ISO, BIN). F ile/keyword search, hash generation and look-up (via NSRL, HashKeeper, etc) and timeline mapping. Also: OSS distributions, including SIFT Workstation, BackTrack, Penguin Sleuth, DEFT Linux, CAINE and others
  • 19.
  • 20.
  • 21.