Finding a bzip2 file on a damaged hard drive
jclawsonx at mac.com
Fri Apr 8 11:41:22 MDT 2005
Thank you for the reference! I am downloading it as I type.
As the drive does not have a valid file table, how can the software
identify the length of the file? If this works well, I will be
On Apr 8, 2005, at 7:25 AM, Jordan Curzon wrote:
> There is a forensics tool called formost that searches an binary file
> or block device and pulls out all the files that match their headers.
> The site is at http://sourceforge.net/projects/foremost/. It doesn't
> have the signature for bzips but here is it:
> "bz2 y 10000000 BZh?1AY&SY"
> It will have some false positives but it will find every bzip on the
> disk. Let me know if you have questions.
> Jordan Curzon
> On Apr 7, 2005 10:34 PM, James Clawson <jclawsonx at mac.com> wrote:
>> Thank you for the suggestion.
>> I have read the manual, including the recovery section. It deals
>> with the recovery of non-corrupt blocks from a bzip2 archive with
>> come corrupt blocks. I believe that these bzip2 files are intact,
>> but as I have no file table on the drive, I have to identify the
>> length of each archive. I was hoping to identify either a long which
>> would identify the total number of bytes in the file, or an end of
>> file marker. I have not found either. I am reviewing the bzip2
>> source code, but have not found what I am looking for yet.
>> On Apr 7, 2005, at 10:29 PM, Jeff Schroeder wrote:
>>> James wrote:
>>>> However, I do not know how to identify the end
>>>> of each file. Can you give me any information or suggestion on
>>>> how I
>>>> might find out how long each bzip2 file should be?
>>> A quick Google search for "bzip2 file format" yielded this
>>> There's a section called "Recovering Data from Damaged Files" but
>>> link apparently isn't working. Perhaps you could poke around the
>>> net a
>>> bit and find the documentation mirrored somewhere?
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