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Changing password in Cheat Engine Tutorial

 
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ilovkatie
How do I cheat?
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PostPosted: Thu Sep 05, 2013 6:49 am    Post subject: Changing password in Cheat Engine Tutorial Reply with quote

Hi, i already done 9 steps of CE Tut. I want to start my adventure with CE from something easy. My first idea was: how about changing CE password to x step.
I started looking for values like 090453 (password for step 2 ) etc... and i figured out address where tutorial keeps value entered in text field - it keeps it ofc not like decimals but like a number from ascii table in 2 bytes each so 0000 0039 0000 0034 etc. However i still dont have that values what are compared with that from text field. I was trying to: 1. enter something like "123" then "What writes ... " and click "ok". i thought that it shows me the compare funtion, sadly i ve got only some instructions from .dll with memcpy funtion.
Any advices how to find adresses of that passwords?
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Dark Byte
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PostPosted: Thu Sep 05, 2013 7:01 am    Post subject: Reply with quote

here's the sourcecode of the password check:
http://code.google.com/p/cheat-engine/source/browse/trunk/Cheat%20Engine/Tutorial/Unit1.pas#121

It's done this way to make it incredibly difficult to find the password with basic memory scanning

Anyhow, check the stacktrace to see what called the memcpy

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ilovkatie
How do I cheat?
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PostPosted: Thu Sep 05, 2013 12:10 pm    Post subject: Reply with quote

ty for sourcecode, i would never suppose that password checking is done in this way. i tried to stacktrace to see what is going on however when im doing "Find out what access ... " then after clicking OK i ve got instruction like:
mov eax,[esi+ecx*4-04]
i doing Show Disassembler and i ve got intruction like above but found in msvcrt.memcpy section. im afraid i wont find here any helpfull. any advices what im doing wrong? probably i need a place where this function is called. sorry if i write smth stupid, im just starting with CE and assembler Razz
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Dark Byte
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PostPosted: Thu Sep 05, 2013 12:16 pm    Post subject: Reply with quote

In the "find what accesses" window get more info about an entry, and click the S button
Rightclick the stackview window and choose manual stacktrace

that should show a list with functions that led to the current function

Eventually you might get back tot he tutorial where the checking is done.

Anyhow, I really recommend something easier. This code is meant to be confusing and difficult to understand/modify

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ilovkatie
How do I cheat?
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PostPosted: Thu Sep 05, 2013 1:03 pm    Post subject: Reply with quote

ty for instructions. i did everything however like you supposed i dont understand much from that stacktrace. i will watch/read few more tutorials and maybe start to find some hps/manas/ammos in games. ty anyway. u can close topic then, great advices, ty again
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