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BIN File Access

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(@zeroonezero)
Active Member
Joined: 7 years ago
Posts: 16
Topic starter  

I received a .bin file split into segments similar to an E01 or split archive. What programs do you suggest i use to access the contents and export? FTK Imager could not recognize it. Winrar/7zip was able to open it as long as I pointed it to the first Bin file segment ( 2GB chunks). However, I am getting the "unexpected end of archive" issue.

Any thoughts on programs better suited for this task? The header of the bin file is "rar".


   
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(@kurosaru)
New Member
Joined: 8 years ago
Posts: 4
 

Linux
cat *.bin >> /tmp/large.rar

Windows
copy /b 1.bin+2.bin+3.bin final.rar

In windows you need to put + between each .bin file to copy into the one file. As you have multiple .bin, chances are the .rar was just split up multiple times.

hopefully that helps.


   
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jaclaz
(@jaclaz)
Illustrious Member
Joined: 18 years ago
Posts: 5133
 

@KuroSaru
cat *.bin may (or may not) work depending whether the naming provides the correct sort order.

@ZeroOneZero
1) How are the files EXACTLY named?
2) Is the beginning of each file "Rar!"?

A multi-part .rar file is usually created with a naming convention, such as
http//www.philippwinterberg.com/software/rar_faq_multipart_spanned_split_multivolume_files.php

The parts of a multipart RAR file are usually named "xyz.part1.rar", "yxz.part2.rar" etc. or "xyz.rar", "xyz.r01", "xyz.r02" etc.

The decompressor makes as well some assumptions on what the "next" file is called, so the "unexpected end of archive" may actually mean "I can't find the next part".

If the files were created With RAR/WINRAR they are split during compression and each of it has the Rar! header, if this is the case, then you need to rename them in such a way that the decompressor understands the sequence.

As well it is possible that only a huge .rar file was created and then simply split in to multiple chunks (and then the cat or copy /b re-assembly would work).

jaclaz


   
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passcodeunlock
(@passcodeunlock)
Prominent Member
Joined: 9 years ago
Posts: 792
 

Please check that you don't miss a needed volume of the RAR archive parts )


   
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