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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. ...
MobileFS is a virtual file system built over FUSE to provide access to any OBEX-compliant mobile device. It currently supports all siemens mobile L55 series, including A55, A56, A56i, A60, C55, C56, 2128, CT56, C60, C61, C62, CF62, M46, M50, MT50, et