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itsoqrappy
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 Posted: Fri Apr 22, 2016 12:36 pm Post subject: Memory writing/reading protection - VirtualProtect |
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I've tested a code to write/read a pointer.
I'm currently writing to the pointer a float value like this:
| Quote: | | *(DWORD*)(thefifth) = (float)0; |
which works to another game for testing purposes, but not on this.
How can I check if there is some memory protections? Thanks in advance.
@ParkourPenguin
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atom0s
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| Posted: Fri Apr 22, 2016 2:35 pm Post subject: |
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Given the code you posted it looks like you are injected. You can use VirtualProtect to adjust the protection at the given address. If you just want to see what the protections are in the processes memory, you can use VirtualQuery.
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itsoqrappy
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| Posted: Fri Apr 22, 2016 2:43 pm Post subject: |
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| atom0s wrote: | | Given the code you posted it looks like you are injected. You can use VirtualProtect to adjust the protection at the given address. If you just want to see what the protections are in the processes memory, you can use VirtualQuery. |
Yeah, I know I can use VirtualProtect, but:
| Quote: | DWORD oldProtect;
VirtualProtect((LPVOID)(thefifth), sizeof(DWORD), PAGE_EXECUTE_READWRITE, &oldProtect);
*(DWORD*)(thefifth) = (float)0;
VirtualProtect((LPVOID)(thefifth), sizeof(DWORD), oldProtect, &oldProtect); |
still doesn't work. As without VirtualProtect doesn't work for sure there is some protections. BUT generally in both case it doesn't work.
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atom0s
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| Posted: Fri Apr 22, 2016 8:53 pm Post subject: |
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Check the return of VirtualProtect, make sure it didn't fail.
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itsoqrappy
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| Posted: Sat Apr 23, 2016 4:33 am Post subject: |
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| atom0s wrote: | | Check the return of VirtualProtect, make sure it didn't fail. |
Solved. It wans't a VirtualProtect probelm, but an addy problem (which i forgot to change) (facepalm).
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