Difference between pages "File Format Identification" and "Windows Shadow Volumes"

From Forensics Wiki
(Difference between pages)
Jump to: navigation, search
m
 
 
Line 1: Line 1:
File Format Identification is the process of figuring out the format of a sequence of bytes. Operating systems typically do this by file extension or by embedded MIME information. Forensic applications need to identify file types by content.
+
{{expand}}
  
=Tools=
+
==Volume Shadow Copy Service==
==libmagic==
+
Windows has included the Volume Shadow Copy Service in it's releases since Windows XP. The Shadow Copy Service creates differential backups periodically to create restore points for the user.  Windows 7 Professional and Ultimate editions include tools to work with and manage the Volume Shadow Copy Service, including the ability to [[mount shadow volumes on disk images]].
* Written in C.  
+
* Rules in /usr/share/file/magic and compiled at runtime.
+
* Powers the Unix “file” command, but you can also call the library directly from a C program.
+
* http://sourceforge.net/projects/libmagic
+
  
==DROID==
+
In Windows 8 the shadow volumes seem to have been superseded by File History. For now it looks like it uses similar structures as its predecessors.
* Writen in Java
+
* Developed by National Archives of the United Kingdom.
+
* http://droid.sourceforge.net
+
  
==TrID==
+
== Also see ==
* XML config file
+
* [[Windows]]
* Closed source; free for non-commercial use
+
* [[Windows File History | File History]]
* http://mark0.net/soft-trid-e.html
+
* How to: [[Mount shadow volumes on disk images]]
  
==Stellent/Oracle Outside-In==
+
== External Links ==
* Proprietary but free demo.
+
* http://www.oracle.com/technology/products/content-management/oit/oit_all.html
+
  
[[Category:Tools]]
+
=== How to analyze Shadow Volumes ===
 +
* [http://computer-forensics.sans.org/blog/2008/10/10/shadow-forensics/ VISTA and Windows 7 Shadow Volume Forensics], by [[Rob Lee]], October 2008
 +
* [http://windowsir.blogspot.ch/2011/01/accessing-volume-shadow-copies.html Accessing Volume Shadow Copies], by [[Harlan Carvey]], January 2011
 +
* [http://windowsir.blogspot.ch/2011/01/more-vscs.html More VSCs], by [[Harlan Carvey]], January 2011
 +
* [http://journeyintoir.blogspot.ch/2011/04/little-help-with-volume-shadow-copies.html A Little Help with Volume Shadow Copies], by [[Corey Harrell]], April 2011
 +
* [http://toorcon.techpathways.com/uploads/VolumeShadowCopyWithProDiscover-0511.pdf Volume Shadow Copy with ProDiscover], May 2011
 +
* [http://windowsir.blogspot.ch/2011/09/howto-mount-and-access-vscs.html HowTo: Mount and Access VSCs], by [[Harlan Carvey]], September 2011
 +
* [http://computer-forensics.sans.org/blog/2011/09/16/shadow-timelines-and-other-shadowvolumecopy-digital-forensics-techniques-with-the-sleuthkit-on-windows/ Shadow Timelines And Other VolumeShadowCopy Digital Forensics Techniques with the Sleuthkit on Windows], by [[Rob Lee]], September 2011
 +
* [http://journeyintoir.blogspot.ch/2012/01/ripping-volume-shadow-copies.html Ripping Volume Shadow Copies – Introduction], by [[Corey Harrell]], January 2012
 +
* [http://journeyintoir.blogspot.ch/2012/02/ripping-vscs-practitioner-method.html Ripping VSCs – Practitioner Method], by [[Corey Harrell]], February 2012
 +
* [http://journeyintoir.blogspot.ch/2012/02/ripping-vscs-practitioner-examples.html Ripping VSCs – Practitioner Examples], by [[Corey Harrell]], February 2012
 +
* [http://journeyintoir.blogspot.ch/2012/02/ripping-vscs-developer-method.html Ripping VSCs – Developer Method], by [[Corey Harrell]], February 2012
 +
* [http://journeyintoir.blogspot.ch/2012/02/ripping-vscs-developer-examples.html Ripping VSCs – Developer Examples], by [[Corey Harrell]], February 2012
 +
* [http://journeyintoir.blogspot.ch/2012/02/examining-vscs-with-gui-tools.html Examining VSCs with GUI Tools], by [[Corey Harrell]], February 2012
 +
* [http://dfstream.blogspot.ch/2012/03/vsc-toolset-gui-tool-for-shadow-copies.html VSC Toolset: A GUI Tool for Shadow Copies], by [[Jason Hale]], March 2012
 +
* [http://encase-forensic-blog.guidancesoftware.com/2012/06/examining-volume-shadow-copies-easy-way.html Examining Volume Shadow Copies – The Easy Way!], by [[Simon Key]], June 2012
 +
* [http://justaskweg.com/?p=351 Getting Ready for a Shadow Volume Exam], by [[Jimmy Weg]], June 2012
 +
* [http://justaskweg.com/?p=466 Mounting Shadow Volumes], by [[Jimmy Weg]], July 2012
 +
* [http://justaskweg.com/?p=518 Examining the Shadow Volumes with X-Ways Forensics], by [[Jimmy Weg]], July 2012
 +
* [http://justaskweg.com/?p=710 “Weg, I’m afraid that I don’t have VMware. How do I Examime Shadow Volumes?”], by [[Jimmy Weg]], August 2012
 +
* [http://sandersonforensics.com/forum/content.php?168-Reconnoitre "Examining shadow copies with Reconnoitre (and without vssadmin), it's as easy as 1, 2, 3"], by [[Paul Sanderson]], January 2013
  
=Bibliography=
+
=== Shadow Volumes in depth ===
Current research papers on the file format identification problem. Most of these papers concern themselves with identifying file format of a few file sectors, rather than an entire file.
+
* [http://www.qccis.com/docs/publications/WP-VSS.pdf Reliably recovering evidential data from Volume Shadow Copies in Windows Vista and Windows 7], by [[James Crabtree]] and [[Gary Evans]], 2010
 +
* [http://forensic4cast.com/2010/04/19/into-the-shadows/ Into The Shadows] and [http://www.forensic4cast.com/2010/04/presentation-into-the-shadows/ Presentation], by [[Lee Whitfield]], April 2010
 +
* [https://googledrive.com/host/0B3fBvzttpiiSZDZXRFVMdnZCeHc/Volume%20Shadow%20Snapshot%20(VSS)%20format.pdf Volume Shadow Snapshot format], by the [[libvshadow|libvshadow project]], March 2011
 +
* [http://code.google.com/p/libvshadow/downloads/detail?name=Paper%20-%20Windowless%20Shadow%20Snapshots.pdf Windowless Shadow Snapshots - Analyzing Volume Shadow Snapshots (VSS) without using Windows] and [http://www.basistech.com/about-us/events/open-source-forensics-conference/ OSDFC 2012] [http://code.google.com/p/libvshadow/downloads/detail?name=Slides%20-%20Windowless%20Shadow%20Snapshots.pdf Slides], by [[Joachim Metz]], October 2012
  
; [http://www.dfrws.org/2008/proceedings/p14-calhoun.pdf Predicting the Types of File Fragments], William Calhoun, Drue Coles, DFRWS 2008 [http://www.dfrws.org/2008/proceedings/p14-calhoun_pres.pdf [slides]]
+
=== Other ===
 +
* [http://lanmaster53.com/talks/#hack3rcon2 Lurking in the Shadows – Hack3rcon II]
 +
* [http://pauldotcom.com/2012/10/volume-shadow-copies---the-los.html Volume Shadow Copies - The Lost Post], [[Mark Baggett]], October 2012
  
 +
== Tools ==
 +
* [[EnCase]] with VSS Examiner Enscript (available from the downloads section of the GSI Support Portal)
 +
* [[libvshadow]]
 +
* [[ProDiscover]]
 +
* [http://www.shadowexplorer.com/ ShadowExplorer]
 +
* [http://dfstream.blogspot.ch/p/vsc-toolset.html VSC Toolset]
 +
* [[X-Ways AG|X-Ways Forensics]]
 +
* [http://sandersonforensics.com/forum/content.php?168-Reconnoitre Reconnoitre]
  
 
+
[[Category:Volume Systems]]
[[Category:Bibliography]]
+

Revision as of 14:18, 25 November 2013

Information icon.png

Please help to improve this article by expanding it.
Further information might be found on the discussion page.

Contents

Volume Shadow Copy Service

Windows has included the Volume Shadow Copy Service in it's releases since Windows XP. The Shadow Copy Service creates differential backups periodically to create restore points for the user. Windows 7 Professional and Ultimate editions include tools to work with and manage the Volume Shadow Copy Service, including the ability to mount shadow volumes on disk images.

In Windows 8 the shadow volumes seem to have been superseded by File History. For now it looks like it uses similar structures as its predecessors.

Also see

External Links

How to analyze Shadow Volumes

Shadow Volumes in depth

Other

Tools