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How to protect enigma form dump file

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How to protect enigma form dump file

Postby webcms » Fri Dec 13, 2013 9:16 am

Dear Sir.
Could you guide me how to protect enigma form dump file?
I found the exe that protect with enigma protector can dump in memory and all engima protector gone.
Thank You.
webcms
 
Posts: 4
Joined: Wed Sep 04, 2013 4:07 pm

Re: How to protect enigma form dump file

Postby Enigma » Fri Dec 13, 2013 10:43 am

Hi webcms,

If the file can be dumped after protection, and it keeps working, then the file was protected incorrectly, or not enough, no protection features are used.
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Site Admin
 
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Re: How to protect enigma form dump file

Postby webcms » Tue Dec 17, 2013 5:04 am

can you suggest best setting in protection features should i set it?
webcms
 
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Joined: Wed Sep 04, 2013 4:07 pm

Re: How to protect enigma form dump file

Postby Enigma » Tue Dec 17, 2013 6:13 am

Do you protect a .NET application?
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Re: How to protect enigma form dump file

Postby webcms » Sat Dec 21, 2013 5:06 pm

Yes.

i'm protect .net app and buy use splashscreen.
so it can't use reflector or sae after protect it.
but if i'am use DotnetDumper.
it can dump this exe.
After dump it. engima protector is gone.
and can use reflector or sae.

Do i'm make video to show you?
webcms
 
Posts: 4
Joined: Wed Sep 04, 2013 4:07 pm

Re: How to protect enigma form dump file

Postby zop » Tue Jan 07, 2014 10:15 pm

Well, I've added many EP_CheckupIsEnigmaOk() and EP_CheckupIsProtected() in my code, like:
Code: Select all
#if RELEASE
if (EP_CheckupIsEnigmaOk())
    InitializeComponent();
else
    Environment.Exit(0);
#else
    InitializeComponent();
#endif

And something like that in my if-else-while statements:
Code: Select all
#if RELEASE
     if (content.IndexOf("Ok", StringComparison.Ordinal) > 0 && EP_CheckupIsEnigmaOk())
#else
     if (content.IndexOf("Ok", StringComparison.Ordinal) > 0)
#endif

So app do not work after dump.
Also, I recommend to obfuscate your code before protecting it. So those steps are helpful against non-professional reverser.

P.S. Found good topic HERE
zop
 
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Joined: Tue Aug 27, 2013 9:52 pm

Re: How to protect enigma form dump file

Postby Enigma » Wed Jan 08, 2014 9:22 am

Thanks Zop, yes, this topic is pretty well! viewtopic.php?f=6&t=7952
Enigma
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Posts: 2212
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