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-   -   Tried unpacking DVDIdle Pro - AsProtect (https://forum.exetools.com/showthread.php?t=3720)

SvensK 03-24-2004 17:42

Hmm, lots of imports the aspr2 plugin can't handle on this one...

Maltese 03-24-2004 20:05

Thank You both Lownoise & Britedream.

So now I understand why the PEiD shows compiler. I must see how a normal program compiled with that particular brand compiler has it's startup code. Got it.

Since there is nothing in the "K" (STACK) window, I do not need a JMP I just fill in the 45 blank "00" bytes with the stolen bytes. Got it.

I apologize...when I learned to crack on the Apple ][e (Don't laugh... I know you are :) ) *Hey my Algebra teacher got me started. A Push was a push. After looking at another tutorial I saw that MOV DWORD PTR SS:[ESP+number],EBP is the same as PUSH EBP. This is my failure. Now I know.

Thank you everyone for your patience... and willingness to help.

I am using Imprec now. I tried setting size to 1000 and only found 2 instances where dissasemble/hex said no data. I have to go to work... I look at it with Imprec later today after work.

I'll share with you what I find out.

Thanks again everyone!

-Malt

britedream 03-24-2004 22:12

1 Attachment(s)
To svensk

the target runs on this iat:
there are only two exceptions, if you fix the first one you are registered, the second is to correct the stack.(I haven't test the program but it runs fine).

SvensK 03-24-2004 22:25

Ok, I'll check it out and thanks for the nice scripts for OllyScript btw. Saves alot of time :)

britedream 03-24-2004 22:36

my pleasure!,

Some time it is usefull to use my script "asprsto", it will stop where we should be looking in the stack, that is 12ffc4:77e814c7(for this program), F9 few times till you are at mov ebp,esp; then follow the execution of your stolen with F8.

SvensK 03-24-2004 22:49

Nice stuff, I followed the stolen bytes during execution with your method.
Still having problems with my dumped exe though. After the trace I end up at:

0041F013 FF15 68274200 CALL DWORD PTR DS:[422768] ; MSVCRT.__set_app_type

I insert the stolen bytes and change the origin to PUSH EBP at 41EFE6 and then dump the exe with OllyDump, unchecking Rebuild Import. I load your tree in ImpRec and press Fix Dump. I load the exe in LordPE and change OEP to 1EFE6. Problem is the exe still wont run. :(

It crashes at: 0041F115 |. E8 F6020000 CALL dumpLord.0041F410

britedream 03-24-2004 23:04

I don't remeber what the addresses for the two exceptios are, but if u run xp I will be glad to send you the running target.

SvensK 03-24-2004 23:07

Yes, please do that. Maybe I can compare the two and figure it out.

britedream 03-24-2004 23:09

please pm with your email

target has been sent, please check your e-mail. thanks

Maltese 03-25-2004 08:04

BriteDream,

I have the same problem as Svensk (I'm running Xp Pro).

I thought to use Imprec (using Raider's tutorial on Tag&Rename 3.06), to increase the IAT SIZE to 1000? Imprec v1.6f defaults to 918 when I load my patched DVDIdlePro 3.39 (stolen bytes entered and new oep set). Then I've dumped using OllyDump and unchecking: Rebuild Import.

If I load your tree file, then select fix dump, the exe is not executable. It comes up with an exception.

I know that with Tag & rename there was one section you ran across that had ??? and you had to NOP it.

How is it that you got yours to execute and we can't get ours? Is there more patching required?

-Malt

britedream 03-25-2004 10:26

maltese,
don't load my iat, fix yours according to mine.

please pm with your email.

Maltese 03-25-2004 12:36

BriteDream....

Does this make sense?

removed DvdIdlePro.udd and DvdIdlePro.bak (cache if you will for Olly)

1) I loaded Olly 1.10beta
2) Answered NO to analyze
3) F9, SHIFT+F9 26 times
4) ALT M
5) Left Click - code line for DvdIdle Pro
6) CTRL + F11
7) VIEW->TRACE
8) Enter Stolen Bytes
9) @ PUSH EBX (start of Stolen Bytes), I set NEW ORIGIN
10) OllyDump: uncheck Rebuild Import (saved as dump.exe)

* Left Ollydbg running after dumping to dump.exe

11) Loaded Imprec v1.6f
12) Selected DVDIdle Pro as Active Process
13) Pressed IAT Auto Search
14) Pressed Get Imports (left all values at default)
15) Pressed Show Invalid
16) Right clicked on invalid and selected: Trace Level 1 (disasm)
17) Pressed Show Invalid again
18) Right clicked on invalid and selected: Plugin Tracers-> aspr2

* It said no more pointers...see if it works

19) Clicked fix dump.... and patched the dump.exe file from Olly.

Program does not work...

Maybe my options are incorrect on Imprec???

Above the Fix Dump button I have checked: add new section (default)
In options: The only thing checked is: Process Properties (enable debug privilege XP) & Use PE Header From Disk

Did I not do something right? I noticed that Raider had a byte that was invalid in his beginning execution code so he NOP'd it. This exception appears to be happening during a Windows call.

-Malt

britedream 03-25-2004 13:10

please read my three tutorials about stolen, then use my script "asproep" to find out the place for oep and stolen, then fix your stolen and dump from the oep.

RVA for your iat=22000 size= 918

once you get to rebuilding your iat please, let me know I will help you on that, but first get the correct stolen and the correct dump.

if there is anything you didn't understand in my tuts, please pm me.

Maltese 03-25-2004 13:21

BriteDream,

Where can I dl your 3 tutorials? I am looking forward to reading them!

Thanks

-Malt

britedream 03-25-2004 13:29

please check your email


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