public static UInt32 LdrLoadDll(IntPtr PathToFile, UInt32 dwFlags, ref Natives.UNICODE_STRING ModuleFileName, ref IntPtr ModuleHandle)
{
IntPtr proc = GetProcAddress(GetNtDll(), "LdrLoadDll");
NativeSysCall.Delegates.LdrLoadDll LdrLoadDll = (NativeSysCall.Delegates.LdrLoadDll)Marshal.GetDelegateForFunctionPointer(proc, typeof(NativeSysCall.Delegates.LdrLoadDll));
return((uint)LdrLoadDll(PathToFile, dwFlags, ref ModuleFileName, ref ModuleHandle));
}
public static void RtlInitUnicodeString(ref Natives.UNICODE_STRING DestinationString, [MarshalAs(UnmanagedType.LPWStr)] string SourceString)
{
IntPtr proc = GetProcAddress(GetNtDll(), "RtlInitUnicodeString");
NativeSysCall.Delegates.RtlInitUnicodeString RtlInitUnicodeString = (NativeSysCall.Delegates.RtlInitUnicodeString)Marshal.GetDelegateForFunctionPointer(proc, typeof(NativeSysCall.Delegates.RtlInitUnicodeString));
RtlInitUnicodeString(ref DestinationString, SourceString);
}
/// <summary>
/// Resolves LdrLoadDll and uses that function to load a DLL from disk.
/// </summary>
/// <author>Ruben Boonen (@FuzzySec)</author>
/// <param name="DLLPath">The path to the DLL on disk. Uses the LoadLibrary convention.</param>
/// <returns>IntPtr base address of the loaded module or IntPtr.Zero if the module was not loaded successfully.</returns>
public static IntPtr LoadModuleFromDisk(string DLLPath)
{
Natives.UNICODE_STRING uModuleName = new Natives.UNICODE_STRING();
Natives.RtlInitUnicodeString(ref uModuleName, DLLPath);
IntPtr hModule = IntPtr.Zero;
Natives.NTSTATUS CallResult = (Natives.NTSTATUS)Natives.LdrLoadDll(IntPtr.Zero, 0, ref uModuleName, ref hModule);
if (CallResult != Natives.NTSTATUS.Success || hModule == IntPtr.Zero)
{
return(IntPtr.Zero);
}
return(hModule);
}