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DriverLoader.h
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DriverLoader.h
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#pragma once
#include <Windows.h>
#include <string>
#include <Shlwapi.h>
#include <iostream>
#include "NtDefines.h"
#pragma comment(lib, "Shlwapi.lib")
static NTSTATUS Dl_RemoveDriverFromRegistry( const wchar_t* DriverName )
{
NTSTATUS Status = STATUS_SUCCESS;
std::wstring RegistryPath = std::wstring( L"System\\CurrentControlSet\\Services\\" ) + DriverName;
Status = RegDeleteKeyW( HKEY_LOCAL_MACHINE,
RegistryPath.c_str() );
if ( !Status || Status == ERROR_FILE_NOT_FOUND )
return STATUS_SUCCESS;
Status = SHDeleteKeyW( HKEY_LOCAL_MACHINE,
RegistryPath.c_str() );
if ( !Status || Status == ERROR_FILE_NOT_FOUND )
return STATUS_SUCCESS;
Status = RegDeleteKeyW( HKEY_LOCAL_MACHINE,
RegistryPath.c_str() );
if ( !Status || Status == ERROR_FILE_NOT_FOUND )
return STATUS_SUCCESS;
return Status;
}
static NTSTATUS Dl_TryOpenServiceKey( const wchar_t* DriverName )
{
std::wstring RegistryPath = std::wstring( L"System\\CurrentControlSet\\Services\\" ) + DriverName;
HKEY Key;
NTSTATUS Result = RegOpenKeyExW( HKEY_LOCAL_MACHINE,
RegistryPath.c_str(),
0,
KEY_ALL_ACCESS,
&Key );
RegCloseKey( Key );
return Result;
}
static NTSTATUS Dl_AddServiceToRegistery( const wchar_t* DriverName )
{
NTSTATUS Status = STATUS_SUCCESS;
std::wstring RegistryPath = std::wstring( L"System\\CurrentControlSet\\Services\\" ) + DriverName;
Dl_RemoveDriverFromRegistry( DriverName );
HKEY Key;
Status = RegCreateKeyExW( HKEY_LOCAL_MACHINE,
RegistryPath.c_str(),
0,
NULL,
0,
KEY_ALL_ACCESS,
NULL,
&Key,
0 );
if ( Status )
return Status;
const auto RegWriteString = [ = ] ( const wchar_t* Name, const std::wstring& Data ) -> NTSTATUS
{
return RegSetValueExW( Key,
Name,
0,
REG_EXPAND_SZ,
( PBYTE ) Data.c_str(),
Data.size() * sizeof( wchar_t ) );
};
const auto RegWriteDWORD = [ = ] ( const wchar_t* Name, DWORD Data ) -> NTSTATUS
{
return RegSetValueExW( Key,
Name,
0,
REG_DWORD,
( PBYTE ) &Data,
sizeof( DWORD ) );
};
Status |= RegWriteString( L"ImagePath", std::wstring( L"\\SystemRoot\\System32\\drivers\\" ) + DriverName + L".sys" );
Status |= RegWriteDWORD( L"Type", 1 );
Status |= RegWriteDWORD( L"ErrorControl", 1 );
Status |= RegWriteDWORD( L"Start", 3 );
if ( Status )
{
RegCloseKey( Key );
Dl_RemoveDriverFromRegistry( DriverName );
return Status;
}
RegCloseKey( Key );
return STATUS_SUCCESS;
}
static NTSTATUS Dl_UnloadDriver( const wchar_t* DriverName )
{
if ( !AcquirePrivilege( SeLoadDriverPrivilege, AdjustCurrentProcess ) )
return 1;
if ( Dl_TryOpenServiceKey( DriverName ) == 2 )
Dl_AddServiceToRegistery( DriverName );
std::wstring SourceRegistry = std::wstring( L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\" ) + DriverName;
UNICODE_STRING SourceRegistryUnicode = { 0 };
SourceRegistryUnicode.Buffer = ( wchar_t* ) SourceRegistry.c_str();
SourceRegistryUnicode.Length = ( SourceRegistry.size() ) * 2;
SourceRegistryUnicode.MaximumLength = ( SourceRegistry.size() + 1 ) * 2;
NTSTATUS Status = NtUnloadDriver( &SourceRegistryUnicode );
printf( "[+] NtUnloadDriver(%ls) returned %08x\n", SourceRegistry.c_str(), Status );
Dl_RemoveDriverFromRegistry( DriverName );
return Status;
}
static NTSTATUS Dl_LoadDriver( const wchar_t* DriverName )
{
if ( !AcquirePrivilege( SeLoadDriverPrivilege, AdjustCurrentProcess ) )
return 1;
if ( Dl_AddServiceToRegistery( DriverName ) )
return 2;
std::wstring SourceRegistry = std::wstring( L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\" ) + DriverName;
UNICODE_STRING SourceRegistryUnicode = { 0 };
SourceRegistryUnicode.Buffer = ( wchar_t* ) SourceRegistry.c_str();
SourceRegistryUnicode.Length = ( SourceRegistry.size() ) * 2;
SourceRegistryUnicode.MaximumLength = ( SourceRegistry.size() + 1 ) * 2;
NTSTATUS Status = NtLoadDriver( &SourceRegistryUnicode );
printf( "[+] NtLoadDriver(%ls) returned %08x\n", SourceRegistry.c_str(), Status );
if ( Status )
{
Dl_UnloadDriver( DriverName );
Dl_RemoveDriverFromRegistry( DriverName );
}
return Status;
}
static HANDLE Dl_OpenDevice( std::string DriverName )
{
char CompleteDeviceName[ 128 ];
sprintf_s( CompleteDeviceName, "\\\\.\\%s", DriverName.data() );
HANDLE DeviceHandle = CreateFileA
(
CompleteDeviceName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
);
if ( DeviceHandle == INVALID_HANDLE_VALUE )
DeviceHandle = 0;
printf( "[+] CreateFileA(%s) returned %08x\n", CompleteDeviceName, DeviceHandle );
return DeviceHandle;
}