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Xoujiro
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 Posted: Sun Nov 09, 2008 4:58 am Post subject: Trampolining KEYBD_EVENT |
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ok, so...i trampolined over keybd_event for "gunz online", i went in , activated my dll, used my own keybd_event ( different name) but it doesnt work, i mean it doesnt press the key in gunz, im pretty sure its the trampoline's problem cuz when i alt tab and use the keybd_event on notepad while gunz is running, it works, but not in game, do you know whats wrong? is it because of this error?
| Quote: | | syntax error : identifier 'PTR' |
and another thing... if i got an address in CE, its in 4 bytes, value to be freezed at -2500, i can change it freely in ce and its also a static address, but when i put it in my dll, it errors me, ive checked the address, its correct, and i tried changing the types to dword / long / unsigned long, its still errors me... any help?
thanks in advance
whhy cant i post my code -.-
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Noz3001
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| Posted: Sun Nov 09, 2008 5:57 am Post subject: |
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| keybd_event uses SendInput and that's owned in r0 by GameGuard.
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SXGuy
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| Posted: Sun Nov 09, 2008 6:07 am Post subject: |
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| what about PostMessage?
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Xoujiro
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| Posted: Sun Nov 09, 2008 6:32 am Post subject: |
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ok, ill try using postmessage instead, what about my second problem : 
the address and type is correct, but everytime i change the value in c++, my game crashes, but not if i change the value with CE
EDIT: can i use the threads in the same DLL i used to trampoline? or i must export and import in another DLL
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Snootae
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| Posted: Sun Nov 09, 2008 8:29 am Post subject: |
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i take its a pointer, if so your not writing the value to the pointer, trying to do it straight to the address, which doesnt work
if its a pointer use Address + Offset = -2500;
if not you have to use Write Process Memory
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Xoujiro
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| Posted: Sun Nov 09, 2008 8:51 am Post subject: |
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| Snootae wrote: | i take its a pointer, if so your not writing the value to the pointer, trying to do it straight to the address, which doesnt work
if its a pointer use Address + Offset = -2500;
if not you have to use Write Process Memory |
its not a pointer, checked with ce, correct address everytime i load up my game, and i do.. need to bypass WriteProcessMemory right?
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ups2000ups
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| Posted: Sun Nov 09, 2008 9:47 am Post subject: |
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if your trying to change some memory but the memory wont change try to use VirtualProtectEx before you use WriteProcessMemory
if it dosent work your dont something wrong or you need an bypass
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dont complain about my english...
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Xoujiro
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| Posted: Sun Nov 09, 2008 10:19 am Post subject: |
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| ups2000ups wrote: | if your trying to change some memory but the memory wont change try to use VirtualProtectEx before you use WriteProcessMemory
if it dosent work your dont something wrong or you need an bypass |
i dont know whther it changes or not, as soon as i change the value, it error lol, ill try writeprocessmemory, do i need to hook it or something?
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Noz3001
I'm a spammer
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| Posted: Sun Nov 09, 2008 10:22 am Post subject: |
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| Xoujiro wrote: | | ups2000ups wrote: | if your trying to change some memory but the memory wont change try to use VirtualProtectEx before you use WriteProcessMemory
if it dosent work your dont something wrong or you need an bypass |
i dont know whther it changes or not, as soon as i change the value, it error lol, ill try writeprocessmemory, do i need to hook it or something? |
Do what he said and use VirtualProtectEx on the address and THEN try to write to it.
| Code: | DWORD old;
void* Addr = &INT->c_int;
VirtualProtect(Addr, sizeof(DWORD), PAGE_EXECUTE_READWRITE, &old); |
Example from random file
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Xoujiro
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| Posted: Sun Nov 09, 2008 11:01 am Post subject: |
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| noz3001 wrote: | | Xoujiro wrote: | | ups2000ups wrote: | if your trying to change some memory but the memory wont change try to use VirtualProtectEx before you use WriteProcessMemory
if it dosent work your dont something wrong or you need an bypass |
i dont know whther it changes or not, as soon as i change the value, it error lol, ill try writeprocessmemory, do i need to hook it or something? |
Do what he said and use VirtualProtectEx on the address and THEN try to write to it.
| Code: | DWORD old;
void* Addr = &INT->c_int;
VirtualProtect(Addr, sizeof(DWORD), PAGE_EXECUTE_READWRITE, &old); |
Example from random file |
oh wow thanks it works now! thanks alot guys.
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