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ext2 info hiding mod download for Linux

Free download ext2 info hiding mod Linux app to run online in Ubuntu online, Fedora online or Debian online

This is the Linux app named ext2 info hiding mod whose latest release can be downloaded as ext2_info_hiding-20141028.tar.bz2. It can be run online in the free hosting provider OnWorks for workstations.

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ext2 info hiding mod


DESCRIPTION

This modification of the ext2 kernel module allows to create files (cover files) whose block arrangement gets manipulated to represent a binary code, which can be extracted later.

The information hiding approach used in this project was introduced by Khan et. al in
'Designing a cluster-based covert channel to evade disk investigation and forensics' (1st approach).

Algorithm:
When a cover file is written, an even blocknr. (for the 1st datablock) is choosen to represent a 0 or an odd blocknr. to represent an 1. For the remaining blocks of the cover file till the end of the code is reached,
an adjacent blocknr. represents the same bit as the previous one and a non-adjacent blocknr. (a block will be skipped) a negated previous bit.

It's necessary to use a partition with enough adjacent free blocks (code length + holes for fragmentation) within a blockgroup, for this algorithm to work correctly.


WARNING: This is experimental software and could cause crashes or data loss!



Features

  • Hides a binary code in ext2/3 partitions through fragmentation of blocks from cover files
  • Simply replace the existing ext2 module with this one to generate cover files
  • Write on existing ext2 and ext3 partitions
  • No additional storage space for the code is required


Audience

Science/Research, Developers, Security Professionals, Security



Programming Language

C


Categories

Security, Filesystems

This is an application that can also be fetched from https://sourceforge.net/projects/ext2infohidingmod/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.


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