Monday, August 2, 2010

Locating file fragments

When doing a forensic recovery one very important aspect is to log all actions so that they can be repeated. Recovering a file is reading a sequence of sectors, and many times they are in sequence, but not always. For the files that are out of sequence it is necessary to track each fragment / cluster.

The CnW log has a data column that records the number of fragments in a file. If this number in the log is clicked, each fragment (up to a maximum of 80) will be displayed as the starting sector, an sector run length. Abyone can then examine the original disk and establish how the file has been reconstructed.

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