Greatly interested in
- C#
- C
- PE
- Windows Internals
- Reverse
- Malwares
Currently working on :
- PE Loader
- Windows Internals & undocumented
A proof of concept of real custom GetProcAddress and GetModuleBaseAddress
Hi ! Here is my code :
[UnmanagedFunctionPointer(CallingConvention.Winapi)]
public delegate bool Delegate_CreateProcessW(string lpApplicationName, string lpCommandLine, ref SECURITY_ATTRIBUTES lpProcessAttributes, ref SECURITY_ATTRIBUTES lpThreadAttributes, bool bInheritHandles, uint dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDirectory, [In] ref STARTUPINFO lpStartupInfo, out PROCESS_INFORMATION lpProcessInformation);
IntPtr ptrBaseAddres = CustomGetProcAndGetModule.GetExportAddress("kernel32.dll", "CreateProcessW");
Delegate_CreateProcessW D_CreateProcessW = (Delegate_CreateProcessW)Marshal.GetDelegateForFunctionPointer(ptrBaseAddres, typeof(Delegate_CreateProcessW));
retValue = D_CreateProcessW(program, cmd, ref pSec, ref tSec, false, 0x0020, IntPtr.Zero, null, ref s, out p);
and it will failed with error code 0xf10. I cannot find what happend
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