A B S T R A C T
The research described in this paper proposes methods for visually interpreting the content
of raw NAND flash memory images into higher level visual artefacts of assistance in
reverse engineering and interpreting flash storage formats. A novel method of reverse
engineering the structure and layout of individual memory locations within NAND flash
images, based on injecting a known signal into a test NAND environment is also proposed.
Omissions in the current theory of operation of flash, in particular the role of flash memory
controllers in transforming the raw NAND are identified, clarifying the cause of variations
seen between images taken using pseudo physical and raw physical techniques. The
effectiveness of the approach is validated against raw NAND images from YAFFS2 based
Android phones, taken via JTAG and chip-off methods.
© 2014 Elsevier Ltd. All rights reserved.
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جهت خرید فایل به انتهای صفحه مراجعه نمایید
کد محصول : شماره 20
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