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Stealthedit plugin to deal with memory checks (crcbypass)
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Geri
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PostPosted: Tue Dec 20, 2011 10:21 am    Post subject: Stealthedit plugin to deal with memory checks (crcbypass) This post has 3 review(s) Reply with quote

Here is a tutorial on how to use the stealthedit plugin with Cheat Engine if you run into a single player game that is using memory integrity checks. (Such as Xlive protected game or similar protections.)

http://www.szemelyesintegracio.hu/cheats/41-game-hacking-articles/419-stealthedit

UPDATE: Added Stealthedit 2 download link and description to the article.

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Last edited by Geri on Mon May 21, 2012 12:06 pm; edited 1 time in total
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neu21
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PostPosted: Sun Dec 25, 2011 8:41 pm    Post subject: It doesn't work under windows 7 Reply with quote

It doesn't work under windows 7
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Geri
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PostPosted: Sun Dec 25, 2011 9:57 pm    Post subject: Reply with quote

Did you try it on 64-bit or 32-bit? And what was the exact problem?
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neu21
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PostPosted: Sun Dec 25, 2011 10:39 pm    Post subject: Reply with quote

My computer is 32-bit, plugin doesn't use the copy instead of the original code,It still uses the original code.

In Solve tutorial step 2 with stealthedit I use NOP on the green copy is not working fine. using NOP on the blue original code is working fine,but If I turn on
Lame memory protection It will crash.
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Geri
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PostPosted: Sun Dec 25, 2011 10:53 pm    Post subject: Reply with quote

What happens if you do not change the blue code, only the green code?
Blue code should not be modified or the memory check will close the tutorial.

What happens if you enable the memory check and the "Solve tutorial step 2 with stealthedit" script? Is it crashing then?

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neu21
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PostPosted: Sun Dec 25, 2011 11:03 pm    Post subject: Reply with quote

if I do not change the blue code, only the green code nothing happens.
if I enable the memory check and the "Solve tutorial step 2 with stealthedit" script nothiny happens. The health dosen't change.
Only Blue code can effect the health value.
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scribly
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PostPosted: Sun Dec 25, 2011 11:03 pm    Post subject: Reply with quote

I use windows 7 and it works for me.

Make sure your system supports hardware based DEP
And that the tutorial or target process is not in the exception list

Go to system properties->advanced tab and click on the settings button of performance. Check the data execution prevention tab. (Try enabling it for ALL processes and reboot. If it then doesn't work your system doesn't support it, or you're doing something wrong)

Also, after enabling stealthedit check the taskmanager and make sure the Data Execution Prevention column is visible and that it's enabled

And to make sure, since you keep talking about blue and green memory, have you tried the cheat entries of the table geri provided before you start making any edits of your own? do they even get enabled ? (the stealthedit ones)

(And don't click "Attach to process" when opening the process. Just click ok)

And before I forget, the No Execute feature must not be disabled in the bios



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neu21
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PostPosted: Sun Dec 25, 2011 11:21 pm    Post subject: Reply with quote

thank you very much,the both of you
.now it works
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Geri
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PostPosted: Mon Dec 26, 2011 12:39 am    Post subject: Reply with quote

Cool. Cool
Thanks for the feedback.

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neu21
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PostPosted: Sat Dec 31, 2011 7:33 am    Post subject: Reply with quote

Now I have a problem i need nop two address first: 39A51B second:39A531
The first address I can write the script like
stealthedit(stealth_tut,39A51B,6)
registersymbol(staddress)
label(staddress)
stealth_tut:
staddress:
nop
the second address how I write the script to nop it
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Geri
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PostPosted: Sat Dec 31, 2011 10:19 am    Post subject: Reply with quote

39A51B +16 = 39A531
staddress = the copy of 39A51B
so
staddress +16 = the copy of 39A531

So you need to place your second hook on staddress+16

staddress+16:
nop

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If you are interested in any of my crappy articles/tutorials about CE and game hacking, you can find them here:
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neu21
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PostPosted: Sun Jan 01, 2012 8:28 am    Post subject: Reply with quote

Ok thank you
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mezzo
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PostPosted: Sun Jan 08, 2012 4:22 pm    Post subject: Reply with quote

Anybody know who the writer of the plugin is ?
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Geri
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PostPosted: Sun Jan 08, 2012 4:58 pm    Post subject: Reply with quote

Yes, I know (obviously since I got the plugin from him), but it's a seeecret.
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mezzo
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PostPosted: Mon Jan 09, 2012 11:37 am    Post subject: Reply with quote

Fair enough. Just wondered since I found absolutely no other resources regarding this plugin online, aside from your tutorial.

I'm kinda 'uptight' about DLL's from unknown origins Smile

But I understand your position ! thanks anyway.
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