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Firemonkey5
How do I cheat?
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Joined: 16 Oct 2006
Posts: 1
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 Posted: Sun Oct 14, 2007 8:14 pm Post subject: Skipping a step... |
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Alright all I want to do is skip the jump to the address part...
| Code: |
005153e8 - cmp byte ptr [ebp-03],00
005153ec - je 005153f5
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The 2nd line goes to the death sequence, while the 1st checks health against 0...
Help would be appreciated.[/code]
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Flyte
Peanuts!!!!
 Reputation: 6
Joined: 19 Apr 2006
Posts: 1887
Location: Canada
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| Posted: Sun Oct 14, 2007 8:40 pm Post subject: Re: Skipping a step... |
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| Firemonkey5 wrote: | Alright all I want to do is skip the jump to the address part...
| Code: |
005153e8 - cmp byte ptr [ebp-03],00
005153ec - je 005153f5
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The 2nd line goes to the death sequence, while the 1st checks health against 0...
Help would be appreciated. |
NOP it.
| Code: | 005153e8 - cmp byte ptr [ebp-03],00
005153ec - NOP (0x90)
005153ed - NOP
005153ee - NOP
005153ef - NOP
005153f0 - NOP |
This causes the jump not to be executed, and a NOP to the CPU basically just tells it to continue, it doesn't do anything.
Last edited by Flyte on Sun Oct 14, 2007 8:40 pm; edited 1 time in total |
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atom0s
Moderator
 Reputation: 205
Joined: 25 Jan 2006
Posts: 8587
Location: 127.0.0.1
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| Posted: Sun Oct 14, 2007 8:40 pm Post subject: |
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| Change je to jne?
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Flyte
Peanuts!!!!
Reputation: 6
Joined: 19 Apr 2006
Posts: 1887
Location: Canada
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| Posted: Sun Oct 14, 2007 8:41 pm Post subject: |
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| Wiccaan wrote: | | Change je to jne? |
No, because if the health isn't 0 (aka alive) it will jump to the death sequence.
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Symbol
I'm a spammer
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Joined: 18 Apr 2007
Posts: 5094
Location: Israel.
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| Posted: Thu Oct 18, 2007 2:10 pm Post subject: |
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How about:
| Code: | | 005153e8 - cmp byte ptr [ebp-03],FFFFFFFF |
Or -1.
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Labyrnth
Moderator
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Joined: 28 Nov 2006
Posts: 6301
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| Posted: Thu Oct 18, 2007 2:17 pm Post subject: |
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| Code: | 005153e8 - cmp byte ptr [ebp-03],00
005153ec - jl 005153f5
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There it wont jump unless it is less then 0.
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Xanatos
I post too much
 Reputation: 18
Joined: 06 May 2007
Posts: 2559
Location: US
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| Posted: Thu Oct 18, 2007 2:21 pm Post subject: |
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Super long explanation time.
| Code: | | 005153e8 - cmp byte ptr [ebp-03],00 |
This line of code compares the ebp-03 with 00, I bet you know that.
So if ebp-03 is your health and you wanted to hack it, a easy thing to do is... Nop both the jump and compare codes.
| Code: | 005153e8 - cmp byte ptr [ebp-03],00
005153ec - jl 005153f5 |
The effect is that you will never die since it will never go to the death sequence.
_________________
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