Wednesday, June 18, 2008

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PTK and Digital Forensics Tool Testing Image (# 7)

NTFS Undelete (and leap year) Test # 1 ( WE passed )

tests were performed and correct the problems of finding deleted files with respect to NTFS File System. The 3.0 version of the TSK, will resolve the two exceptions (WE = With Exceptions), not resolved in Autopsy, which does not allow viewing of the files defined Orphans and Alternate Data Stream (ADS). The test was successful as you can see the image attached. We report for completeness la descrizione dell'immagine e il risultato di PTK.

"This test image is a 6MB NTFS file system with eight deleted files, two deleted directories, and a deleted alternate data stream. The files range from resident files, single cluster files, and multiple fragments. No data structures were modified in this process to thwart recovery. They were created in Windows XP, deleted in XP, and imaged in Linux. "


DFTT test image: http://dftt.sourceforge.net/test7/index.html

Wednesday, June 4, 2008

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Digital Forensics Tool Testing Images

La struttura di PTK is now defined, the next phase of Beta testing involves the optimization of the features and resolving possible bugs or deficiencies. This process will lead to the development of the stable version of the instrument towards the end of September 2008. For this reason, in addition to internal testing, we are starting a validation process based on examination of 13 files, ad-hoc re-created by Brian Carrier, present address: dftt.sourceforge.net . This process aims to strengthen the capabilities of PTK making it the most effective way possible during its investigation and adding only essential features such as form data carving.

Extended DOS Partition Test ( passed )

Partiamo con il primo test di riconoscimento partizioni basato su DOS a seguito di modifica manuale della Partition Table. Riportiamo la descrizione dell'immagine e il risultato di PTK.

" Most DOS partition tools will not allow the user to create a third entry in an extended partition. A test image was created by modifying the partition table by hand with a hex editor and the system was booted. Both Windows and Linux read the third entry in the extended partition table and allowed the user to mount the partition. This test was to verify that forensic tools also allowed the investigator to view the partition in the third entry. "






Monday, June 2, 2008

How To Find The Average Temperature Gradient

PTK and PTK Beta Testing - Some news -

A few hours after the official release there are many users who are testing the latest beta version of the tool PTK. There are also the feedback we are receiving regarding the functionality and interface adopted. In this regard informed that the laboratory tests and during the phase of alpha testing have led to important feedback and we expect that the second phase of tests lead us to the same result. In order to consider the various case studies will inform us of any inconsistencies, in as much detail as possible. In this regard, we have launched on SF a mailing list for discussion. At the time of writing we are working to complete improvements to management of NTFS file system which requires special instructions for the enumeration of deleted files (for those who are familiar with Sleuthkit, we are talking about the command ifind). Thanking you for your participation and make sure your useful and constructive feedback, we wish you good job with PTK!