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Cheat Engine
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yazigegeda
Expert Cheater
![]() Reputation: 0
Joined: 22 Jan 2019
Posts: 183
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 Posted: Tue Jul 02, 2024 5:19 am Post subject: autoAssemble lua function fails to execute |
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| Code: |
[ENABLE]
//code from here to '[DISABLE]' will be used to enable the cheat
{$lua}
autoAssemble([[
alloc(newmem,1024,ntdll.dll)
label(title)
label(text)
newmem:
sub rsp,68
mov r9,0
lea r8,[title]
lea rdx,[text]
xor rcx,rcx
call MessageBoxA
add rsp,68
ret
title:
db 'hello',0
text:
db 'text',0
createthread(newmem)
]],true)
[DISABLE]
//code from here till the end of the code will be used to disable the cheat
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I am using cheat engine 7.5 and this assembly instruction was successfully executed by the attached process, but I wanted to execute it on the ce itself, but no popups popped up after I executed it. Is this a bug? Help me
:cry:
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AylinCE
Grandmaster Cheater Supreme
 Reputation: 37
Joined: 16 Feb 2017
Posts: 1528
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| Posted: Tue Jul 02, 2024 6:47 am Post subject: |
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Do you think the application is correct?
| Code: | | alloc(newmem,1024,ntdll.dll) |
ntdll.dll ?
Library: User32.lib
DLL: User32.dll
Source:
https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-messagebox
This might be more useful:
| Code: | [ENABLE]
{$lua}
if syntaxcheck then return end
function MessageBox(title,text,uType)
return executeCodeLocalEx("user32.MessageBoxA", MainForm.Handle, text, title, uType)
end
aa1 = MessageBox("The title", "the text", 3)
{$asm}
[DISABLE]
{$lua}
if syntaxcheck then return end
showMessage("select: "..aa1)
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_________________
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yazigegeda
Expert Cheater
![]() Reputation: 0
Joined: 22 Jan 2019
Posts: 183
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| Posted: Tue Jul 02, 2024 6:54 am Post subject: |
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| AylinCE wrote: | Do you think the application is correct?
| Code: | | alloc(newmem,1024,ntdll.dll) |
ntdll.dll ?
Library: User32.lib
DLL: User32.dll
Source:
https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-messagebox
This might be more useful:
| Code: | [ENABLE]
{$lua}
if syntaxcheck then return end
function MessageBox(title,text,uType)
return executeCodeLocalEx("user32.MessageBoxA", MainForm.Handle, text, title, uType)
end
aa1 = MessageBox("The title", "the text", 3)
{$asm}
[DISABLE]
{$lua}
if syntaxcheck then return end
showMessage("select: "..aa1)
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Thank you for your reply. First of all, there was no problem when I used cheat engine 7.1 and the older version 6.4, and I could popup normally, but I couldn't use 7.4 and 7.5, I don't know why
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AylinCE
Grandmaster Cheater Supreme
Reputation: 37
Joined: 16 Feb 2017
Posts: 1528
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| Posted: Tue Jul 02, 2024 7:21 am Post subject: |
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Reasons;
In cases related to Cheat Engine:
Development, Update-related changes, additions or changed syntax, etc.
In Windows related cases:
Again, attachments or library contents that have changed, been deprecated, moved to another program, DLL or syntax, etc.
Also, are you sure that "ntdll.dll" still works in 7.1 and 6.+?
You can test the example I gave in any version on 6+.
And whatever the result you want to do or get with this code, I recommend you focus on it and produce a solution.
Remember; Latest versions of CE allow you to use all-encompassing features.
However, older versions exist to use certain features and this certainly does not include updates to Lua syntaxes. 
_________________
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yazigegeda
Expert Cheater
![]() Reputation: 0
Joined: 22 Jan 2019
Posts: 183
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| Posted: Tue Jul 02, 2024 7:43 am Post subject: |
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| AylinCE wrote: | Reasons;
In cases related to Cheat Engine:
Development, Update-related changes, additions or changed syntax, etc.
In Windows related cases:
Again, attachments or library contents that have changed, been deprecated, moved to another program, DLL or syntax, etc.
Also, are you sure that "ntdll.dll" still works in 7.1 and 6.+?
You can test the example I gave in any version on 6+.
And whatever the result you want to do or get with this code, I recommend you focus on it and produce a solution.
Remember; Latest versions of CE allow you to use all-encompassing features.
However, older versions exist to use certain features and this certainly does not include updates to Lua syntaxes. ;) |
Because my requirements need to be allocated on the ntdll address, I remove ntdll: alloc(newmem,1024), this works, but I want to allocate alloc(newmem,1024, ntDl.dll) above the ntdll address and it will not be executed. Yes, all versions except 7.4 and 7.5 seem to work fine
:cry:
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ParkourPenguin
I post too much
 Reputation: 152
Joined: 06 Jul 2014
Posts: 4706
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| Posted: Tue Jul 02, 2024 11:43 am Post subject: |
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If "MessageBoxA" symbol lookup works, try that instead
| Code: | | alloc(newmem,1024,MessageBoxA) |
_________________
I don't know where I'm going, but I'll figure it out when I get there. |
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yazigegeda
Expert Cheater
![]() Reputation: 0
Joined: 22 Jan 2019
Posts: 183
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| Posted: Tue Jul 02, 2024 7:45 pm Post subject: |
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| ParkourPenguin wrote: | If "MessageBoxA" symbol lookup works, try that instead
| Code: | | alloc(newmem,1024,MessageBoxA) |
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Thank you! He can work normally
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