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[TUT] Reversing The Effect Of Something Eg.. A Timer [TUT]

 
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killer1478
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PostPosted: Sat Dec 06, 2008 9:29 pm    Post subject: [TUT] Reversing The Effect Of Something Eg.. A Timer [TUT] Reply with quote

This guide will show u how to reverse the effect of something like a timer Very Happy

ill be using Windows XP Minesweeper

1. Find What Ever U Want To Reverse Eg.. Time Hack


2. Click Find What Writes To This Address (hit yes to the debug)


3. Wait A Second (Or Change The Value IN GAME then look at what appears)

TAKE NOTE OF THE ADDRESS

4. Go To The Disassembler Then Press Ctrl+a (auto assembler i belive)
then select Code Injection
< Show Disesembler
< Code Injection
< Enter The Address Found In The "Find What Writes"

5. Now If Your Going For A Timer Take Note Of The INC code
change the INC To A DEC

Then Hit Execute
And Yes
Hit Ok
Close Auto Assebler
And Memory View (Disesembler)

6. Check Out The What Writes Box Theirs A New Adress Right?
DONT CARE ABOUT THE NEW ADRESS!
take note of the value look at whats changed
Before >
After >
See The Value Change? WRITE IT DOWN! ITS VERY IMPORTANT!!!

7. Hit Add Adress Manualy
Remeber The First Address? That Came Up In The "Find Out What Writes"?
That Goes In The Adress Box In The
The Type? You Guessed It "Array Of Bytes"
If Ur Hacking Minesweeper It Looks Like This

For Unicode In The Values Whats The Last Number That Changed?
Like Say IN The Find Out What Writes
Its Like
150135(adress) - (Value) FF 05 57 00 01 - INC [359] (action of adress)
Then After You Do Everything Its CHanged To
21515(Jump Return Adress) - (Value) FF 0c 57 00 01 - DEC [359] (action)
Look At Whats Changed .........................^ That Counts as 2 If The 57 Changed It Would Be 3 Etc....
Then Add It Dont Wory About Value For Now

8. Now Close Whatever Your Hacking
So Close Minesweeper (Save ur .ct just in case)
Re Open Minesweeper Or Whatever Re Attach (Start New Scan Yes Or No Dosent Matter) KEEP THE TABLE!!!!!
now look at the value its the same as it was in the first place
now remeber the 2nd Value? Change The First Value To The 2nd Value
Now Whatever You Wanted In The Game It Got Reversed :]

ENJOY!

This Guide Was Created By Me Have Fun Surprised

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Killer
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sponge cake recipe
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PostPosted: Mon Dec 08, 2008 4:23 am    Post subject: Reply with quote

Great tutorial, I'll +rep depending on how well I do Razz

Edit:
Nice mate!! Worked perfectly, now i'm gonna make one that gives lives when you die Very Happy (Not for minesweeper obviously Razz) Thx again.

Another Edit:
Hmm what is all the ecx, esi and mov stuff?
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killer1478
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PostPosted: Tue Dec 09, 2008 4:45 pm    Post subject: Reply with quote

thats the function that the address dose which will add whatever or subtract its recomebded not to touch the stuff or because their variables the represent the actions i dont know how well u can under stand that but meh and no problem on posting this
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venom1724
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PostPosted: Thu Apr 08, 2010 4:19 am    Post subject: Reply with quote

Great tutorial! It was very useful.

Good Job!

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Slugsnack
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PostPosted: Thu Apr 08, 2010 9:47 am    Post subject: Reply with quote

instead of aob, it's probably worth it to write a quick AA script though:
Code:
[enable]
01002ff5:
inc [........]
[disable]
01002ff5:
dec [........]


in this case, because the inc and dec instructions are the same size, code injection is not necessary and you could just overwrite the original instruction
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