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champlaingirl250
(@champlaingirl250)
New Member

I'm kind of new to computer forensics and some of the software that we use. In my digital forensics course we are learning how to use FlexHEX. I have already downloaded it and our assignment is to send a message to classmates using only hexadecimal values and also to decipher classmates hexadecimal messages. I tried using FlexHEX to decipher one of the messages but apparently had no clue what I was doing. Could someone please help me understand how to use this program.

*Thanks In Advance*

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Posted : 18/01/2012 1:59 am
Passmark
(@passmark)
Active Member

"New" might be an understatement in this case.

I remember initially struggling to understand was hexadecimal was (~30 years ago, at age 15).

Fortunately the Internet has now been invented!! Making doing research much easier rather than needing to visit the local library, which didn't have much to say about hexadecimal notation at the time anyway.

Here is page from the Simple English Wikipedia that should help,
http//simple.wikipedia.org/wiki/Hexadecimal_numeral_system
and one for ASCII
http//www.asciitable.com/

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Posted : 18/01/2012 2:43 am
trewmte
(@trewmte)
Community Legend

champlaingirl250,

Apologies if I am being a bit thick and just out of curiosity (yer I know it killed the cat -) ) but are you saying you have read or have not read the details at the FlexHEX website?

http//www.flexhex.com/docs/help/quick_tour/first_glance.phtml
http//www.flexhex.com/docs/
http//www.flexhex.com/docs/howtos/hex-editing.phtml

I ask the question because I am not sure whether you are actually asking how to import the file (containing your friend's message) into FlexHEX; the website tells you how to do that.

Also are you using the full paid version, evaluation copy or a free cracked version of this programme? Would this be relevant and might it have an impact on your task?

As always, passmark provides useful tips.

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Posted : 18/01/2012 11:44 am
mscotgrove
(@mscotgrove)
Senior Member

If you want to understand file structures for any kind of investigation, you must become happy with Hex.

If you work in France, learn French. If you work in Germany, learn German.

If you work with computer contents, learn and think in Hex.

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Posted : 18/01/2012 11:44 am
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