/// <summary>
/// Maps a DLL from disk into a Section using NtCreateSection.
/// </summary>
/// <author>The Wover (@TheRealWover), Ruben Boonen (@FuzzySec)</author>
/// <param name="DLLPath">Full path fo the DLL on disk.</param>
/// <returns>PE.PE_MANUAL_MAP</returns>
public static PE.PE_MANUAL_MAP MapModuleFromDisk(string DLLPath)
{
// Check file exists
if (!File.Exists(DLLPath))
{
throw new InvalidOperationException("Filepath not found.");
}
// Open file handle
Execute.Native.UNICODE_STRING ObjectName = new Execute.Native.UNICODE_STRING();
DynamicInvoke.Native.RtlInitUnicodeString(ref ObjectName, (@"\??\" + DLLPath));
IntPtr pObjectName = Marshal.AllocHGlobal(Marshal.SizeOf(ObjectName));
Marshal.StructureToPtr(ObjectName, pObjectName, true);
Execute.Native.OBJECT_ATTRIBUTES objectAttributes = new Execute.Native.OBJECT_ATTRIBUTES();
objectAttributes.Length = Marshal.SizeOf(objectAttributes);
objectAttributes.ObjectName = pObjectName;
objectAttributes.Attributes = 0x40; // OBJ_CASE_INSENSITIVE
Execute.Native.IO_STATUS_BLOCK ioStatusBlock = new Execute.Native.IO_STATUS_BLOCK();
IntPtr hFile = IntPtr.Zero;
DynamicInvoke.Native.NtOpenFile(
ref hFile,
Execute.Win32.Kernel32.FileAccessFlags.FILE_READ_DATA |
Execute.Win32.Kernel32.FileAccessFlags.FILE_EXECUTE |
Execute.Win32.Kernel32.FileAccessFlags.FILE_READ_ATTRIBUTES |
Execute.Win32.Kernel32.FileAccessFlags.SYNCHRONIZE,
ref objectAttributes, ref ioStatusBlock,
Execute.Win32.Kernel32.FileShareFlags.FILE_SHARE_READ |
Execute.Win32.Kernel32.FileShareFlags.FILE_SHARE_DELETE,
Execute.Win32.Kernel32.FileOpenFlags.FILE_SYNCHRONOUS_IO_NONALERT |
Execute.Win32.Kernel32.FileOpenFlags.FILE_NON_DIRECTORY_FILE
);
// Create section from hFile
IntPtr hSection = IntPtr.Zero;
ulong MaxSize = 0;
Execute.Native.NTSTATUS ret = DynamicInvoke.Native.NtCreateSection(
ref hSection,
(UInt32)Execute.Win32.WinNT.ACCESS_MASK.SECTION_ALL_ACCESS,
IntPtr.Zero,
ref MaxSize,
Execute.Win32.WinNT.PAGE_READONLY,
Execute.Win32.WinNT.SEC_IMAGE,
hFile
);
// Map view of file
IntPtr pBaseAddress = IntPtr.Zero;
DynamicInvoke.Native.NtMapViewOfSection(
hSection, (IntPtr)(-1), ref pBaseAddress,
IntPtr.Zero, IntPtr.Zero, IntPtr.Zero,
ref MaxSize, 0x2, 0x0,
Execute.Win32.WinNT.PAGE_READWRITE
);
// Prepare return object
PE.PE_MANUAL_MAP SecMapObject = new PE.PE_MANUAL_MAP
{
PEINFO = DynamicInvoke.Generic.GetPeMetaData(pBaseAddress),
ModuleBase = pBaseAddress
};
return(SecMapObject);
}
public static IntPtr NtOpenFile(ref IntPtr FileHandle, Execute.Win32.Kernel32.FileAccessFlags DesiredAccess, ref Execute.Native.OBJECT_ATTRIBUTES ObjAttr, ref Execute.Native.IO_STATUS_BLOCK IoStatusBlock, Execute.Win32.Kernel32.FileShareFlags ShareAccess, Execute.Win32.Kernel32.FileOpenFlags OpenOptions)
{
// Craft an array for the arguments
object[] funcargs =
{
FileHandle, DesiredAccess, ObjAttr, IoStatusBlock, ShareAccess, OpenOptions
};
Execute.Native.NTSTATUS retValue = (Execute.Native.NTSTATUS)Generic.DynamicAPIInvoke(@"ntdll.dll", @"NtOpenFile", typeof(DELEGATES.NtOpenFile), ref funcargs);
if (retValue != Execute.Native.NTSTATUS.Success)
{
throw new InvalidOperationException("Failed to open file, " + retValue);
}
FileHandle = (IntPtr)funcargs[0];
return(FileHandle);
}
