protection

yamahafzr

Regular Member

Mar 29, 2009

246

154

• Jun 26, 2009

• #1

what is a good way to protect software in .net form?

 

Bacanze

Junior Member

Nov 12, 2008

159

54

• Jun 30, 2009

• #2

There's many techniques you can use, but I'll get straight to the point, Obfuscate your code, if you want to know more I'll elaborate and mention other techniques.

 

djedje70

Regular Member

Feb 5, 2008

239

255

• Jun 30, 2009

• #3

I'd like to know more.
Do you also know of any good solution to prevent software sharing?

 

I

ikoder

Newbie

Jun 28, 2009

42

100

• Jun 30, 2009

• #4

i think by doing a online key verification system would be one way. something like kaspersky antivirus is doing

 

doseph

Registered Member

Feb 23, 2008

86

24

• Jul 9, 2009

• #5

Obfuscation is almost useless, and online key verification is 100% useless unless you protect the code itself. I would use .NET Reactor to protect the code so it can not be decompiled. Takes it one step further than obfuscation.

 

R

RandomName

Junior Member

Apr 14, 2009

104

74

• Jul 9, 2009

• #6

depends on what your software is too - if it's standalone then something like reactor or smartassembly might help - depends on who you're trying to protect the app from (determined ppl will find a way!) - if it uses any webservices or whatever that you control then that will give you more options as the "useful" bit of code is on yourside, not their's, so you can look at things like locking to a single pc (although customers hate that so be warned).

RN

 

jazzc

Elite Member

Jan 27, 2009

2,964

14,717

• Jul 16, 2009

• #7

http://www.remotesoft.com/salamander/obfuscator.html

But it is very very expensive.

 

Bacanze

Junior Member

Nov 12, 2008

159

54

• Jul 27, 2009

• #8

djedje70 said:

I'd like to know more.
Do you also know of any good solution to prevent software sharing?

Click to expand...

Sorry I totally forgot about this thread, I don't use VB.NET, hence I don't visit this section often.

1. Eliminate Symbolic Information - Google for info
2. Obfuscate the application - From what I've heard, {SmartAssembly} is good
3. Embed Antidebugger code - Google for info

Overall, just about every application is crackable, it just depends on the motivation and skill level of the user.

 

trophaeum

Senior Member

Dec 21, 2007

852

717

• Jul 27, 2009

• #9

http://www.oreans.com/winlicense.php

 

O

OhaiBBQ

Newbie

May 26, 2009

25

35

• Jul 27, 2009

• #10

doseph said:

Obfuscation is almost useless, and online key verification is 100% useless unless you protect the code itself. I would use .NET Reactor to protect the code so it can not be decompiled. Takes it one step further than obfuscation.

Click to expand...

You can decompile/decompress .NET Reactor packed exes. You just have to edit some headers in CFF explorer