August 2002
Intermediate to advanced
512 pages
27h 23m
English
Content preview from Scene of the Cybercrime: Computer Forensics Handbook
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572 Chapter 10 • Collecting and Preserving Digital Evidence
Linux systems using the ext2 file system provide several ways to hide data.
One way to hide files on most UNIX file systems (including ext2) is to run a
process that keeps the file open, then remove the file using the /bin/rm com-
mand.The data will remain on the disk and the space until it is overwritten by
other files.You can find “unerase” utilities for Linux that will recover deleted ext2
files. It is also possible to manually recover these files using the debugfs utility.
This process is described in the Linux Ext2fs Undeletion mini-HOWTO at
www.tldp.org/HOWTO/mini/Ext2fs-Undeletion.html.
The ext2 ...
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