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| Submitted on: 4/22/1999
By: Michael Canejo
Level: Advanced
User Rating:
By 4 Users
Compatibility:VB 3.0, VB 4.0 (16-bit), VB 4.0 (32-bit), VB 5.0, VB 6.0
Users have accessed this code 30128 times.
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(About the author) |
| | | What my source code does is make 32bit and 16bit Visual Basics compiled projects (.EXE) "decompile protected". So no one out there can steal your source code from your vb made EXE's. Well the code is simple but you can make a decompiler protector program with the code. Enjoy and keep programming :-)
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Terms of Agreement:
By using this code, you agree to the following terms...
1) You may use
this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
2) You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.
3) You may link to this code from another website, but ONLY if it is not wrapped in a frame.
4) You will abide by any additional copyright restrictions which the author may have placed in the code or code's description. |
'**************************************
' Name: Decompile Protector
' Description:What my source code does i
' s make 32bit and 16bit Visual Basics com
' piled projects (.EXE) "decompile protect
' ed". So no one out there can steal your
' source code from your vb made EXE's. Wel
' l the code is simple but you can make a
' decompiler protector program with the co
' de. Enjoy and keep programming :-)
' By: Michael Canejo
'
' Assumes:1.) Make a TextBox and name it
' "Text1"
2.) Make a CommandButton and name it "Command1" With the caption "Protect It!"
3.) Make a DirListBox and name it "Dir1"
4.) Make a DriveListBox and name it "Drive1"
5.) Make a FileListBox and name it "File1"
Please make sure that Command1's caption says "Protect It!" and Text1's caption is ""(Bank)
'
'This code is copyrighted and has' limited warranties.Please see http://w
' ww.Planet-Source-Code.com/vb/scripts/Sho
' wCode.asp?txtCodeId=1468&lngWId;=1'for details.'**************************************
'********** Copy and Paste all this into
' your Form, NOT A MODULE! **********
Private Sub Command1_Click()
A = "."
Open Text1.Text For Binary As #1
Seek #1, 25
Put #1, , A
Close #1
MsgBox "The File, ''" & Text1 & "'', Was Protected from being decompiled!", vbOKOnly, "Decompile Protection Attempt Successful!"
End Sub
Private Sub Dir1_Change()
File1 = Dir1
Text1 = Drive1 & "/" & Dir1
End Sub
Private Sub Drive1_Change()
Drive1 = Dir1
End Sub
Private Sub File1_Click()
Text1 = Dir1 & "\" & File1
End Sub
Private Sub File1_DblClick()
Command1_Click
End Sub
Private Sub Form_Load()
MsgBox "Enjoy the Free source Code. This was FULLY Provided ßy: MiKE32. If you have any questions or comments, email me at cindy.joyce@worldnet.att.net", 40, "Enjoy!"
Text1.Text = ""
Command1.Caption = "Protect It!"
End Sub
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Other 45 submission(s) by this author
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| Your Vote! |
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See Voting Log |
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| Other User Comments |
4/11/1999 8:42:00 PM:Sandy Valentine
Hey Mike, thanx for the free msource
code for the Decompile Protecter! Its
been so useful now that i dont have to
worry about people stealing my coding
from my VB Projects now that i used
your source to do it. Thanx again Mike,
Sandy
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4/24/1999 8:49:00 AM:Eugene
Mike,
This is a great little hack
that will fool most of
the decompilers
out there, especially the freeware
ones.
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12/20/1999 1:11:54 PM:[]D[][]V[][]D
Hmm. I have looked around but I cant
find any decompilers for vb5 and up. I
need one/s because I have lost source
code b4. Source code I would like to
get back. So if you know of any, please
email me or contact me either on icq:
44661482 or on aim: cshjrh45 and tell
me about it. Thanks...
Oh and this
code looks good, keep up the good work.
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1/1/2000 2:38:41 AM:Just Someone
Maybe the title of this code should be
"come post your request here for a
decompiler!"
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1/3/2000 4:08:53 PM:Abraham
I just want to know how I can write a
Title on the Input Box.
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1/6/2000 10:05:57 AM:M-Hubet
I want a decompiler because I made a
program, messed up my computer and only
have the .exe file. I wanted the source
code back so i can finish what took me
6 months to make and to lose.
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1/6/2000 3:18:36 PM:[]D[][]V[][]D
Hey "Just Someone" I am not a theif and
if you have something bad to say, talk
to me and dont publish it to the whole
planet. I am a vb programmer and I have
been programming for quite some time
now. I got hacked a few times and after
like the third time, I lost my files. I
was pissed so I downloaded my programs
again and so I have the .exe's but I
dont have the source. So back off. If
you dont have something nice to say,
dont say it at all. (Especially if it
isn't true!!!)
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1/10/2000 5:30:11 PM:Coozzzzz
lol well Just Someone since you said
this page is for the person who wrote
the code above then why are you
constantly filling it up with immature
insults? but i guess kids will be
kids...
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1/12/2000 8:19:21 PM:Tronghiep
Thanks your code
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1/28/2000 3:26:04 PM:GriM ReApEr
hmmm there aint no decompiler for vb 6
or 5. Thats guaranteed there is for 4,
but the programs you have to buy
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2/6/2000 10:38:26 PM:HaKs
If you Change..
A = "." to
A =
"@"
Then you can Un-Guard, Guarded
Programs, and Still Decompile them.
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2/11/2000 9:44:11 PM:IndoCAD
thanks for your great idea
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2/15/2000 4:25:28 AM:Arushan
There is no decompiler for VB5 and VB6
but there is a program which allows you
to see what the program is doing... in
VB's language.
It's called NuMega
SmartCheck (http://www.numega.com)
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2/19/2000 10:01:25 AM:A.A.Dokkan
Thanks for this Good Information.
I
hope if you can help me on
1-
Decompiler Program
2- Software
Protoction
Thanks .........
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2/24/2000 11:25:10 AM:Hacker
I have one for vb6.0 and vb5.0.
This
decompiler was written in c++
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3/16/2000 7:29:52 PM:Ultimatum
Since there are already a few too many
posts here, what's one more? =)
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5/8/2000 8:07:44 PM:To Hacker
Can you tell me where to get the
decompiler programs you have or email
them to me?
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7/11/2000 2:13:19 PM:Detonate
This is an old trick that only works
against old decompilers and is one of
the first things software hackers
look
for. Protection-wise its not
worth the
ten seconds it'll take to
apply the
1-byte change.
The
theory behind
this single byte
protection is flawed -
it's relying
on the debugger to have a
BUG in it
which doesnt read the PE
header
properly. Any protection that
relies
on the existance of a bug in
software
is seriously flawed, and the
bug is
only isolated to a few certain,
old
compilers.
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7/14/2000 6:04:54 PM:John
Hacker,
can you tell me where or how
I can find your Vb5, VB6 decompiler
program I too lost a source code after
my system crashed. please email me
at:
vbamateur@hotmail.com
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8/19/2000 7:06:13 AM:Brian Makka
Can someone help me with a decompiler
for Visual Basic? I have lost my work
due to a bug in 128-bit encryption
software. My password for encryption
was long, so I pasted it in the box,
and what happened? when it came to
decryption time it wouldnt decrpyt.
This software was called Kremlin, and I
also deleted the source files thinking
they were safely encrypted. Please
help!!!!
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11/12/2000 10:33:58 AM:WinDi$$ RulZZz.
1. for a good encrypted .exe there is
always a good decompiler for that
.exe.
2. for a decompiler that will
ripp vb 5, 6 does not exist. well there
is softICE if you like to crack
passwords,
(bpc) (*) (what a
brakepoint)
also a HEX Editor Hex
Workshop is one example. but to make a
program not-crackable or hackable...
well its not possible... well, tell you
what you make it (:_-eye-_:) crack it.
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11/15/2000 3:32:51 PM:Chris_The_Man
Hi! I dont care to find a decompiler.
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12/4/2000 7:05:04 AM:Chris
Thanx for the code :)
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12/28/2000 6:04:15 AM:Terrance Henry Shaw
Wow, this source code is excellent! :)
This has inspired me to try to create a
decompiler for the Visual Basic 5.0/6.0
versions. Thanks again for the source
code! :)
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1/1/2001 12:43:16 PM:Richard Hayden
Is it just me or does your code
apparently have an average vote of
5.5????????????? My computer thinks it
does. If the maximum one can vote is 5
then it is obviously impossible to have
an average vote higher than 5.
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2/19/2001 1:19:34 AM:JN
Hey Mike, this is a great program. I
just have some suggestions. To give
someone a lesson who tries to decompile
a VB program, how about adding a
procedure within the program itself.
This procedure will detect whether the
program is running as a stand alone
program or it is running within VB. If
it is running within VB, then you know
what to do. :) I am sure there's a
place to put this procedure, where the
hackers can't even see it. Now, the
hackers really have to think twice
before running a decompiled program.
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4/30/2001 11:01:06 AM:Christopher Redfearn
Terrence Henry Shaw, exactly how r u
going to make a decompiler? Please
advise me, cos i wanna make 1 too!
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7/1/2001 4:22:32 AM:Philippe Lord
Just wanted to say that this is in no
way a protection, neither will it stop
crackers. The reason is simple,
crackers generally uses W32DASM 8.93 or
IDA (newest is 4.04 i believe. Crackers
share theses fully registered programs
and uses them to dissassemble most
exes. Now my point is that theses are
being distributed well over the net for
over 2 years and all crackers have
them. Now for the punch, well, your
'protection' did not do anything
against them. It did nothing. BTW,
write at address 25 means you're
writing in the DOS STUB PE header, thus
have absolutely nothing to do with
protecting the executable, all it's
gonna do is make the win32 program
unworking under DOS (because a win32 PE
contains a dos executable that says:
This program requires you be in
windows.) Just my 2 cents.
BTW, i
verified, address 25 is:
e_lfarlc As
String * 2 'File address of
relocation table
which is located in
IMAGE_DOS_HEADER.
This code protects
nothing
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8/2/2001 4:16:20 PM:Komodo9@msn.com
Philippe Lord, how do you check
something like that?
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8/4/2001 4:51:37 PM:Preben Nyloekken
Daugh....Havent ANY of you herd about
ResHacker, it opens dll, ocx, exe like
visual basic, you can add remove
buttons, and crack programs.....I can
crack almost anything. :)
- preben
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9/4/2001 12:13:38 AM:fEllFrOscH
cant someone just post a link here for
a decompiler? theres so many ppl here
in need of one, apparently due to
windows losing stuff in crashes or
viruses or whatever (okay, so mebbe its
not windows fault.... but i like to
blame anything i can on microsoft =P)
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9/4/2001 11:21:10 PM:Doctor Evil
I have no valuable input.
Just
thought I'd post something. :)
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1/15/2002 1:25:57 PM:John
I don't get why padding offset 25 with
00's should protect any EXE! I have
verified my suspicion and found that
your protector like others posted at
psc does fail to work.
I have tested
it with the vb5/6
decompiler found at
http://come.to/cute-bits.
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4/15/2002 3:31:11 AM:Gustavo Luiz
First: NOT exist decompiler for VB5 or
VB6 that retorn for the code original,
only a little program that retorn the
visual (of forms) with commandButtons,
textBOx, etc... without CODE!!!!
And this example code protect
nothing!!!! If you develop in VB5 or
VB6 - you not need of protect. And the
HEX editors and Numega related software
can view anyone program (in C++, VB,
Delphi... but it's used for view the
data manipuled by your program, not for
e-write source code! :)
Why nobody
view code of microsoft (Windows,
Office)??? Becouse it's very
dificult!!!! For only know the way that
your program operate not is necessary
to have none source... OK?
And 95%
of people that like decompilers not is
for your "lost source code", are
thiefs!!!! And not know how
programing!!! If you really lost your
code, and IF was YOU that made the
code, MAKE other time!!!!!!
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4/26/2002 5:45:34 PM:Ur I.T. Mate
Okay so I am new to VB, but ther first
rule of building/creating things is
ALWAYS HAVE A BACKUP.
Most of what I
have read on here seems to come from
people that wish to de-compile "their
own" exe files, which personally I do
not agree with, unless they are
ACTUALLY YOURS.
Nice code and very
useful and yes, for the lamers out
there that are thinking of stealing
code
BEWARE
Muhahahahahaha
Enjoy!
Cr
ashandBurn
www.grafixlords-hideout.tk
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6/28/2002 8:21:37 PM:*JJ*
Jeeze does it actually work?
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10/26/2002 8:30:00 AM:Alex Wied (PcExpert)
Short and simple. Yes. It works... but
not enough.
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1/27/2003 10:13:07 PM:
I am not sure what you mean
Decompile.
Is it posible to see source
code of EXE program?
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