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Geek Culture / Can you crack my file?

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Killswitch
22
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Joined: 2nd Oct 2002
Location: School damnit!! Let me go!! PLEASE!!!
Posted: 23rd Oct 2004 07:37
As a minor project I am working on an update system for a string of programs that my friend Shadow Runner and I are going to be working on over the weekend. I plan to host these files on some free webspace so I need to keep them secure, so that only people who should be allowed to update, can.

So in essence I'd like to see if you can break my encrypted file, if you do manage to defeat it you should have a small .exe that simply says "Hello world!", waits for 5 seconds then exits.

Thanks alot

~It's a common mistake to make, the rules of the English langauge do not apply to insanity~

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Ian T
22
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Joined: 12th Sep 2002
Location: Around
Posted: 23rd Oct 2004 08:51
This is a task for Spooky .


Preparing for a month of insanity, inspiration and insight... again!
spooky
22
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Joined: 30th Aug 2002
Location: United Kingdom
Posted: 23rd Oct 2004 09:11
I'm not even gonna try!

Boo!
Cellbloc Studios
20
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Joined: 15th Mar 2004
Location: Atlanta, GA
Posted: 23rd Oct 2004 09:24
Heck, I can fill a memblock with crap and save it to a file too.

-This...is my boomstick!
Neofish
20
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Joined: 7th Apr 2004
Location: A swimming pool of coke
Posted: 23rd Oct 2004 10:35
Idea: Rename it to .exe and run it no-one would think of that

[center]:: Life is a box-plot :: Want Gmail? Email me ::
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Killswitch
22
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Joined: 2nd Oct 2002
Location: School damnit!! Let me go!! PLEASE!!!
Posted: 23rd Oct 2004 18:17
Nope doesn't work!

This is good, if you guy's can't crack the file then some 1337 script kiddie sure as hell can't. It works! Muwhahahaha *cough* hahah

~It's a common mistake to make, the rules of the English langauge do not apply to insanity~
MikeyP
21
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Joined: 21st Aug 2003
Location: Manchester, UK
Posted: 23rd Oct 2004 19:23
I tried renaming it .pck and running it as a DBP EXE + Pck File... No luck, .Bat, no luck, Unzipping as ZIP and RAR? Nope...
Killswitch
22
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Joined: 2nd Oct 2002
Location: School damnit!! Let me go!! PLEASE!!!
Posted: 23rd Oct 2004 19:27
You're along the right likes Phreeky Mikey! The file has indeed been compressed, but renaimg the file from .pak to .exe straight away isn't going to change anything, although you'll obviously need to do that ni order to run the decrypted file.

~It's a common mistake to make, the rules of the English langauge do not apply to insanity~
Emperor Baal
20
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Joined: 1st Dec 2003
Location: The Netherlands - Oudenbosch
Posted: 23rd Oct 2004 20:03
I tried using the fileblock commands, no luck

TKF15H
21
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Joined: 20th Jul 2003
Location: Rio de Janeiro
Posted: 23rd Oct 2004 22:18
aw, c'mon people, use your noggins.
EXEs start with MZ. Thus it's not an EXE.
ZIPs start with PK. It is noz a zip.
RARs start with... rar. It's not a Rar file.
I think its a file compressed with Kompressor.

Killswitch
22
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Joined: 2nd Oct 2002
Location: School damnit!! Let me go!! PLEASE!!!
Posted: 23rd Oct 2004 23:02
He remembered! At last recognition! Well it's not exactly Kompressor compres but it uses a similar method. On a side note Shadow Runner and I are redoing the compressor later today, so it'll be new and/or improved!.

It's encrypted as well, so even if you decompress the file your only half way there.

Oh, and depending on what version of Kompressor I uploaded this file might not even work with it as I used a slightly different method .

~It's a common mistake to make, the rules of the English langauge do not apply to insanity~
1tg46
20
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Joined: 1st Feb 2004
Location: I dont know!
Posted: 24th Oct 2004 01:23
Try to decrypt this file?

attached to this post is a zip file, just extract from the zip 3 files. The first file is encryption.exe.dat, the second is Encryption.exe.manifest, and the third is DBP_NETLIB.dll. You goal is to decrypt the file encryption.exe.dat and when you have you'll have a program that is good for encryption.

P.S. this file was made with the same program that you are decrypting. And the program was created by me.


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MikeyP
21
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Joined: 21st Aug 2003
Location: Manchester, UK
Posted: 24th Oct 2004 01:29
Yay I was almost there lol
Pricey
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Joined: 22nd Feb 2003
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Posted: 30th Oct 2004 05:20

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