Difference between pages "File Carving:SmartCarving" and "Plaso"

From ForensicsWiki
(Difference between pages)
Jump to: navigation, search
 
(Windows Registry formats)
 
Line 1: Line 1:
'''SmartCarving''' is a [[File Carving|file carving]] technique to recover fragmented files first proposed by [[User:PashaPal|A. Pal]], T. Sencar and [[User:NasirMemon|N. Memon]] in DFRWS 2008. The term '''Smart Carving''' was already used in [http://sandbox.dfrws.org/2006/mora/dfrws2006.pdf]
+
{{Infobox_Software |
 +
  name = plaso |
 +
  maintainer = [[Kristinn Gudjonsson]], [[Joachim Metz]] |
 +
  os = [[Linux]], [[Mac OS X]], [[Windows]] |
 +
  genre = {{Analysis}} |
 +
  license = {{APL}} |
 +
  website = [https://code.google.com/p/plaso/ code.google.com/p/plaso/] |
 +
}}
  
SmartCarving utilizes a combination of structure based validation along with validation of each file's unique content. Results for the SmartCarving technique
+
Plaso (plaso langar að safna öllu) is the Python based back-end engine used by tools such as log2timeline for automatic creation of a super timelines. The goal of log2timeline (and thus plaso) is to provide a single tool that can parse various log files and forensic artifacts from computers and related systems, such as network equipment to produce a single correlated timeline. This timeline can then be easily analysed by forensic investigators/analysts, speeding up investigations by correlating the vast amount of information found on an average computer system. Plaso is intended to be applied for creating super timelines but also supports creating [http://blog.kiddaland.net/2013/02/targeted-timelines-part-i.html targeted timelines].
were demonstrated on fragmented jpegs in the DFRWS 2006 and DFRWS 2007 challenges. From these two challenges SmartCarving was able
+
to recover all but one fragmented jpeg file.  
+
  
==History==
+
The Plaso project site also provides [[4n6time]], formerly "l2t_Review", which is a cross-platform forensic tool for timeline creation and review by [[David Nides]].
[[User:NasirMemon|Memon]] et al.[1] presented an efficient algorithm based on a greedy heuristic and alpha-beta pruning for reassembling fragmented images.
+
Building on this work, [[User:NasirMemon|Memon]] et al.[2] researched and introduced sequential hypothesis testing as a an effective mechanism for detecting fragmentation points of file. This paper won the best paper award for DFRWS 2008. The techniques presented in the paper were the foundation for the overall SmartCarving design.
+
  
==Details==
+
== Supported Formats ==
After identifying a header block of a specific file type, for example, jpeg, a SmartCarver will analyze each subsequent block to determine if it
+
belongs or does not belong to the starting block. If a block is determined not to belong, then the file is assumed to be fragmented and the
+
SmartCarving algorithm looks for the next fragment by matching the data of other available blocks with the first fragment. This process can be
+
done in parallel for many files.
+
  
==Applications==
+
=== Storage Media Image File Formats ===
There are currently two applications available that utilize SmartCarving, both produced by Digital Assembly:
+
Storage Medis Image File Format support is provided by [[dfvfs]].
* [[Adroit Photo Forensics]]
+
* Adroit Photo Recovery
+
  
== References ==
+
=== Volume System Formats ===
* A. Pal and N. Memon, [http://digital-assembly.com/technology/research/pubs/ieee-trans-2006.pdf "Automated reassembly of file fragmented images using greedy algorithms"] in IEEE Transactions on Image processing, February 2006, pp 385­393
+
Volume System Format support is provided by [[dfvfs]].
* A. Pal, T. Sencar and N. Memon, [http://digital-assembly.com/technology/research/pubs/dfrws2008.pdf "Detecting File Fragmentation Point Using Sequential Hypothesis Testing"], Digital Investigations, Fall 2008
+
  
==External links==
+
=== File System Formats ===
* [http://digital-assembly.com/products/adroit-photo-recovery/ Adroit Photo Recovery]
+
File System Format support is provided by [[dfvfs]].
* [http://digital-assembly.com/products/adroit-photo-forensics/ Adroit Photo Forensics]
+
 
* [http://digital-assembly.com/technology/ Link to SmartCarving Technology and Research]
+
=== File formats ===
* [http://digital-assembly.com Digital Assembly]
+
<b>TODO expand this list</b>
 +
 
 +
* Apple System Log (ASL)
 +
* Basic Security Module (BSM)
 +
* Bencode files
 +
* [[Google Chrome|Chrome cache files]]
 +
* [[Extensible Storage Engine (ESE) Database File (EDB) format]] using [[libesedb]]
 +
* [[Internet Explorer History File Format]] (also known as MSIE 4 - 9 Cache Files or index.dat) using [[libmsiecf]]
 +
* [[OLE Compound File]] using [[libolecf]]
 +
* [[Property list (plist)|Property list (plist) format]] using [[binplist]]
 +
* SQLite databases
 +
* Syslog
 +
* [[Windows Event Log (EVT)]] using [[libevt]]
 +
* [[Windows NT Registry File (REGF)]] using [[libregf]]
 +
* [[LNK|Windows Shortcut File (LNK) format]] using [[liblnk]]
 +
* [[Windows XML Event Log (EVTX)]] using [[libevtx]]
 +
 
 +
=== Bencode file formats ===
 +
* Transmission
 +
* uTorrent
 +
 
 +
=== ESE database file formats ===
 +
* Internet Explorer WebCache format
 +
 
 +
=== OLE Compound File formats ===
 +
* Document summary information
 +
* Summary information (top-level only)
 +
 
 +
=== Property list (plist) formats ===
 +
<b>TODO expand this list</b>
 +
 
 +
=== SQLite database file formats ===
 +
* Android call logs
 +
* Android SMS
 +
* Chrome cookies
 +
* Chrome browsing and downloads history
 +
* Firefox browsing and downloads history
 +
* Google Drive
 +
* Launch services quarantine events
 +
* MacKeeper
 +
* Mac OS X document versions
 +
* Skype
 +
* Zeitgeist activity
 +
 
 +
=== Windows Registry formats ===
 +
<b>TODO expand this list</b>
 +
* AppCompatCache
 +
* CCleaner
 +
* MountPoints2
 +
* MSIE Zone
 +
* MSIE Zone Software
 +
 
 +
== History ==
 +
Plaso is a Python-based rewrite of the Perl-based [[log2timeline]] initially created by [[Kristinn Gudjonsson]]. Plaso builds upon the [[SleuthKit]], [[libyal]] and other projects.
 +
 
 +
== See Also ==
 +
* [[dfvfs]]
 +
* [[log2timeline]]
 +
 
 +
== External Links ==
 +
* [https://code.google.com/p/plaso/ Project site]
 +
* [https://sites.google.com/a/kiddaland.net/plaso/home Project documentation]
 +
* [http://blog.kiddaland.net/ Project blog]
 +
* [https://sites.google.com/a/kiddaland.net/plaso/usage/4n6time 4n6time]

Revision as of 03:35, 3 June 2014

plaso
Maintainer: Kristinn Gudjonsson, Joachim Metz
OS: Linux, Mac OS X, Windows
Genre: Analysis
License: APL
Website: code.google.com/p/plaso/

Plaso (plaso langar að safna öllu) is the Python based back-end engine used by tools such as log2timeline for automatic creation of a super timelines. The goal of log2timeline (and thus plaso) is to provide a single tool that can parse various log files and forensic artifacts from computers and related systems, such as network equipment to produce a single correlated timeline. This timeline can then be easily analysed by forensic investigators/analysts, speeding up investigations by correlating the vast amount of information found on an average computer system. Plaso is intended to be applied for creating super timelines but also supports creating targeted timelines.

The Plaso project site also provides 4n6time, formerly "l2t_Review", which is a cross-platform forensic tool for timeline creation and review by David Nides.

Supported Formats

Storage Media Image File Formats

Storage Medis Image File Format support is provided by dfvfs.

Volume System Formats

Volume System Format support is provided by dfvfs.

File System Formats

File System Format support is provided by dfvfs.

File formats

TODO expand this list

Bencode file formats

  • Transmission
  • uTorrent

ESE database file formats

  • Internet Explorer WebCache format

OLE Compound File formats

  • Document summary information
  • Summary information (top-level only)

Property list (plist) formats

TODO expand this list

SQLite database file formats

  • Android call logs
  • Android SMS
  • Chrome cookies
  • Chrome browsing and downloads history
  • Firefox browsing and downloads history
  • Google Drive
  • Launch services quarantine events
  • MacKeeper
  • Mac OS X document versions
  • Skype
  • Zeitgeist activity

Windows Registry formats

TODO expand this list

  • AppCompatCache
  • CCleaner
  • MountPoints2
  • MSIE Zone
  • MSIE Zone Software

History

Plaso is a Python-based rewrite of the Perl-based log2timeline initially created by Kristinn Gudjonsson. Plaso builds upon the SleuthKit, libyal and other projects.

See Also

External Links