-->Tutorial number 10--<

Name     : 1toX

Version  : 2.04

Size     : 360 kb (zipped)

Tools    : WDASM
         : Hiew
         : Brain

Cracker  : KlimaX


Get it at, http://www.logipole.com

Comment  : This prog is excellent for NewBies


...---===This tut is best viewed in full screen===---...


      ==>DISCLAIMER<==
For educational purposes ONLY!
I hold absolutely NO responsibility for the misuse of this material!


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   1toX is a 32 bit software for Windows 95, 98 and NT 4.x used to split big files into several smaller files.


   ----====The cracking part====---- 

  
1. Make a copy of 1toX.exe, in case of any errors in cracking this prog.

2. Run the prog, press help on the menubar and select "Register"
   
   Now enter anything you please:
 
               Name      : v2000

               First Name: KlimaX	

               Key       : 12345

   Now press "OK", and read the text in the messagebox which'll pop:

           "Invalid Key
            Please enter your name and key as they have been delivered to you"

   Note the "Invalid key" and fire up WDASM


3. Disassemble 1toX in WDASM, and search for "Invalid key" in the String Data References (remember they are lined up in 
   alphabetical order, so don't mind looking through the whole listing)

   
4. Found it?

5. Good, now double-click on it and you'll land here: (remember it's always a good idea to double-click on your findings a 
                                                       couple of times, as there might be more than one call to your message)

:00409E99     CALL     0041AF38
:00409E9E     MOV ECX, DWORD PTR [0042DA38] 
:00409EA4     ADD ESP, 00000004
:00409EA7     CMP      EAX, ECX
:00409EA9     JE       00409ED9      <=-This we want to change to JNE
:00409EAB     PUSH     00000010

* Possible StringData Ref from Data Obj ->"Register"
                                  |
:00409EAD     PUSH     0042A600

* Possible StringData Ref from Data Obj ->"Invalid key"
                                  |
:00409EB2     PUSH     0042A558      <=-We'll land here
:00409EB7     PUSH     EBP

   Right, when we landed at :00409EB2, we want to scroll up till we get to the nearest conditional jump, as this will be
   where our fake s/n will be compared with the real (this will happen at :00409EA7)

   
6. Now place the blue bar on the JE at :00409EA9 and it'll turn green. Note the @offset placed in the bottom-right of the 
   WDASM screen (mine is 9EA9 , never mind the small h in the end of the number as this only tell you that it's a hex number)

7. Now it's time to open 1toX.exe in Hiew so we can change the JE. So press F4 select "Decode", then F5 and type in the
   @offset we found in WDASM (9EA9)

   Press enter and you'll be at the JE. Press F3 and change the 74 to 75 (JE to JNE).
   Press F9 to save the changes and F10 to exit Hiew


8. Now open your 1toX.exe and type in anything in the three boxes, press "OK" and you're registered ;)


   --==>This is a very easy protection scheme, and is very suitable to Super Newbies<==--
   

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                                                   ________________   
                                           ----====Before you leave====----    
   

--==>Please bear in mind that shareware programs are a commercial benefit, because it gives YOU the opportunity to "Try
     before you Buy". Therefore, if you like a shareware program, please be sure to pay the authors/makers, so they won't
     stop manking them.


-=>LAST WORDS:

   If you have any comments on this tut, feel free to mail at KlimaX_v2000@mail.com
   _ _ _ _ _ _ _ _

   Special thanks to: 
   
1- The TNT Crack Team, as they have the ultimate cracking site, you simply have to try it!!!!

2- tKC for releasing those great tut's, keep on making 'em!. They are the BEST!!!

3- Astaga (the "Tutorial Machine":), keep on producing those excellent tuts!!

4- All the NewBies in the world;)!