Update LoadLibraryR.c #6
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Changed the initial remote process allocation type to RW instead of RWX and added a VirtualProtectEx() call to change it to RX once it has been re-written. This will bypass any R^X memory protections.
| // alloc memory (RWX) in the host process for the image... | ||
| lpRemoteLibraryBuffer = VirtualAllocEx( hProcess, NULL, dwLength, MEM_RESERVE|MEM_COMMIT, PAGE_EXECUTE_READWRITE ); | ||
| // alloc memory (RW) in the host process for the image... | ||
| VirtualProtectEx = VirtualAllocEx( hProcess, NULL, dwLength, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE ); |
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This should be setting lpRemoteLibraryBuffer with the return value from VirtualAllocEx?
busterb
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Feb 13, 2018
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Changed the initial remote process allocation type to RW instead of RWX and added a VirtualProtectEx() call to change it to RX once it has been re-written. This will bypass any W^X memory protections.