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Configuration
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 Posted: Sun Feb 14, 2010 3:49 pm Post subject: [Resolved] WriteProcessMemory |
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Hi, I found the hex address to something I would like to change:
Picture (remove the space between http: and //):
http: //img519.imageshack.us/img519/8844/hexopcodes.png
Basically, I want to change:
96 56 00 08 05 08 5b 08 4d 07 03 to
96 56 00 08 05 08 5b 08 4d 07 63
What I'm changing is the source code of a flash game (as2) inside my browser's memory. I would like to write an executable trainer to edit the address every time the flash game is loaded in my web browser.
What is the best way (preferably simplest too) to go about writing a trainer to edit the hex addresses? If some programming is involved, such as the use of the writeprocessmemory function, I would prefer an example script for this in VB6.
Last edited by Configuration on Mon Feb 15, 2010 12:08 am; edited 2 times in total |
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igoticecream
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| Posted: Sun Feb 14, 2010 4:25 pm Post subject: |
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well, try writeprocessmemory, or if you want to save the change, use ollydbg
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e!ns7e!n
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| Posted: Sun Feb 14, 2010 4:31 pm Post subject: |
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Just use WriteProcessMemory to change the byte from 03 to 63 at adress 0x0B05F221. 
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Configuration
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| Posted: Sun Feb 14, 2010 4:47 pm Post subject: |
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| e!ns7e!n wrote: | | Just use WriteProcessMemory to change the byte from 03 to 63 at adress 0x0B05F221. |
The address changes every time the flash game is reloaded in my browser (though not significantly, usually only the xx in address 0BxxF221 changes slightly). I would use WriteProcessMemory, but is there an alternative method to changing the hex values without having to worry about pointers and such? My programming knowledge is not that good.
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igoticecream
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Configuration
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| Posted: Sun Feb 14, 2010 6:33 pm Post subject: |
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^Thanks! I got that part figured out now.
Ok, here's my attempt at using WriteProcessMemory in Vb6. The code is not mine. The only minor thing I need figuring out is the correct syntax usage for ReadProcessMemory.
Shortened Module omitting the public declarations for readprocessmemory and openprocess, etc:
| Code: | Public Sub WriteAInt(Address As Long, Value As Long, ByteLength As Long)
Dim hwnd As Long, classname As Long, pid As Long, phandle As Long
hwnd = FindWindow(vbNullString, WinName)
If (hwnd <> 0) Then
GetWindowThreadProcessId hwnd, pid
phandle = OpenProcess(PROCESS_ALL_ACCESS, False, pid)
If (phandle <> 0) Then
WriteProcessMemory phandle, Address, Value, ByteLength, 0&
End If
CloseHandle phandle
End If
End Sub |
Form1:
| Code: | Private Sub Command1_Click()
If ReadProcessMemory(&HB05F221) = 3 Then
Call WriteAInt(&HB05F221, 99, 4)
End Sub
Private Sub Form_Load()
Module1.WinName = "Trainer.exe"
End Sub |
What is the correct way of fixing the following:
| Code: | If ReadProcessMemory(&HB05F221) = 3 Then
Call WriteAInt(&HB05F221, 99, 4) |
Basically if address 0B05F221's value is 3, it will change it to 99
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igoticecream
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| Posted: Sun Feb 14, 2010 6:55 pm Post subject: |
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my opinion is .net is not good at this compared to win32 programming, use C or delphi
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Configuration
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| Posted: Mon Feb 15, 2010 12:07 am Post subject: |
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| I'm aware, but it was easier to do it in VB6 so I just stuck with it. I fixed my script, and now it works perfectly. Thanks for all your help! Thread title has been renamed to resolved.
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hcavolsdsadgadsg
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| Posted: Mon Feb 15, 2010 12:31 am Post subject: |
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| VB6 isn't .NET, it's a dead language that has no support.
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ralphmigcute
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| Posted: Sun Aug 01, 2010 3:26 am Post subject: dude.. |
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can you help me in vb8 array of bytes ^^ reading ?
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Jesper
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| Posted: Sun Aug 01, 2010 6:16 am Post subject: |
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| I'd switch to C#.Net if I were you, simply because it has more functionality but still is no harder than VB.
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