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NTOSKRNL Emu_Extender

Library of missing functions for Windows XP/2003/Vista/7 NTOSKRNL.EXE

Project is intended to help in porting drivers from Windows 7/8/8.1/10 for work with Windows XP/2003/Vista/7

How-To:

  1. Compile sources to make ntoskrn8.sys
  2. Make corrections to target driver XXX.sys so that it loads ntoskrn8.sys instead of the original ntoskrnl.exe
  3. If XXX.sys is driver made for Windows 8, change security_cookie to random value, security_cookie is constant 0x4EE640BB(x32) / 0x32A2DF2D992B(x64) inside file, change only first match !
  4. Place ntoskrn8.sys to X:/Windows/system32/drivers/ folder

Compiling:

  1. Install Windows 7 DDK v7.1.0 (download from Microsoft Web site)

  2. Original DDK header files has mistake with definintion of MmAllocateContiguousMemorySpecifyCacheNode, apply fix to two files \WinDDK\Win7\inc\ddk\ntddk.h and \WinDDK\Win7\inc\ddk\wdm.h:

       #if (NTDDI_VERSION >= NTDDI_WIN2K)
       typedef ULONG NODE_REQUIREMENT;

to:

       #if (NTDDI_VERSION >= NTDDI_VISTA)
       typedef ULONG NODE_REQUIREMENT;

  1. Download project files to any local folder

    git clone https://github.com/MovAX0xDEAD/NTOSKRNL_Emu

  2. Choose Target OS (XP, 2003, Vista or WIndows 7) for which OS Emu_Extender will be compiled. Keep in mind that depending on the target operating system the way of exporting the functions changes, if a function already exists in the kernel it will be simply redirected without injecting emulation code

  3. Run shell: "Start Menu\Programs\Windows Driver Kits\Win7 7600.16385.1\Build Environments\Windows XXX\YYY Free Build Environment" (XXX - target OS, YYY - target CPU)

  4. In shell change current directory to local project folder

  5. In shell type command BLD to compile project

  6. Compiled ntoskrn8.sys will be in ntoskrn8/objfre_XXX_x86/YYY folder

STORPORT Windows 7 Emu_Extender

This is Library of missing functions for Windows 7' STORPORT.SYS v6.1.7601.23403 to emulate Windows 8' STORPORT.SYS

How-To:

  1. Compile ntoskrnl Emu_Extender
  2. Place storpor8.sys to X:/Windows/system32/drivers/ folder
  3. Make corrections to target xxx.sys so that it loads storpor8.sys instead of the original storport.sys
  4. Place backported storport.sys from Windows 7 to X:/Windows/system32/drivers/ folder

Ported drivers:

Windows 7's WDF 1.11 for Windows XP/2003##

Last version for Windows XP/2003 is 1.9, but possible to backport 1.11 version:

  1. Get files from Windows 7 Updates (KB3125574):

    WDF01000.SYS   v1.11.9200.20755
WdfLdr.sys     v1.11.9200.16384

  2. In WDF01000.SYS replace string "ntoskrnl.exe" to "ntoskrn8.sys" in import section

  3. Recalc checksum

If need coexist with original WDF1.9 drivers:

  1. Rename WDF01000.SYS->WDF01_W8.SYS, WdfLdr.sys->WdfLdr8.sys
  2. In WDF01_W8.SYS replace string "WdfLdr.sys" to "WdfLdr8.sys" in import section
  3. In WdfLdr8.sys replace unicode string "\Registry\Machine\System\CurrentControlSet\Services\Wdf%02d000" to "\Registry\Machine\System\CurrentControlSet\Services\Wdf%02d_w8"
  4. In WdfLdr8.sys replace hex pattern F6 78 1B F6 to F6 EB 1B F6 (x32), ** ** to ** ** (x64)
  5. In target driver XXX.sys replace string "WdfLdr.sys" to "WdfLdr8.sys" in import section
  6. In .INF of ported driver add creating new service:
       AddService=WDF01_W8,,  WDF.AddService
       ....
       [WDF.AddService]
       DisplayName    = "Windows Driver Framework v1.11 for XP/2003"
       ServiceType    = 1                  ; SERVICE_KERNEL_DRIVER
       StartType      = 3                  ; SERVICE_DEMAND_START
       ErrorControl   = 1                  ; SERVICE_ERROR_NORMAL
       ServiceBinary  = %12%\WDF01_W8.SYS
       LoadOrderGroup = Base
  1. Recalc checksum of all edited *.sys

Windows 7's Storport.sys for Windows XP/2003

Storport was released since Windows 2003, but possible to backport Windows 7 version:

  1. Get files from Windows 7 Updates (KB3125574):

    storport.sys	v6.1.7601.23403

  2. In storport.sys replace string "ntoskrnl.exe" to "ntoskrn8.sys" in import section

  3. Storport may use MSI interrupts, need to force use only legacy/non-MSI interrupts:

    x32 - replace hex pattern 8B 8E 3C 01 00 00 to B9 00 00 00 00 90 (mov ecx, [esi+13Ch] -> mov ecx, 0)

    x64 - replace hex pattern 8B 83 C0 01 00 00 to B8 00 00 00 00 90 (mov eax, [rbx+1C0h] -> mov eax, 0)

  4. Recalc checksum

Windows 7's NVMe driver for Windows XP

  1. Get files from Windows 7 Updates (KB3125574):

    stornvme.sys	v6.1.7601.23403

  2. MS Windows 7 NVMe driver require storport.sys from Windows 7, use backported one

Windows 8's USB3 driver for Windows XP

USB3 driver from Windows 8 require WDF 1.11, use backported one.

  1. Get required files from Windows 8 (KB4534283/4556840, KB2984005, RTM ISO):

    ucx01000.sys         v6.2.9200.22453
usbhub3.sys          v6.2.9200.21180
usbxhci.sys          v6.2.9200.22099
wpprecorder.sys      v6.2.9200.16384
usbd.sys             v6.2.9200.20761

from Vista Beta/Longhorn 5456.5:

   ksecdd.sys           v6.0.5456.5
  1. In files ucx01000.sys, usbhub3.sys, usbxhci.sys, wpprecorder.sys, usbd.sys change security_cookie to random value
  2. In files ucx01000.sys, usbhub3.sys, usbxhci.sys, ksecdd.sys replace string name "ntoskrnl.exe" to "ntoskrn8.sys" in import section
  3. Rename ksecdd.sys->ksecd8.sys, usbd.sys->usbd_w8.sys
  4. In usbhub3.sys replace string name "ksecdd.sys" to "ksecd8.sys" in import section
  5. In usbhub3.sys replace string name "usbd.sys" to "usbd_w8.sys" in import section
  6. Recalc checksum

Windows 8's STORAHCI driver for Windows XP

STORAHCI driver requires storport.sys from Windows 8, but possible to use storport.sys v6.1.7601.23403 from Windows 7 Storport.sys from Windows 7 more compatible with Windows XP/2003 because it still call required PoStartNextPowerIrp when processing power IRPs. Microsoft removed calls to PoStartNextPowerIrp in Windows 8's storport.sys, without this call Windows XP/2003 kernel cannot finish current power IRP and start next IRP => it generate BSOD (0x0000009F). Also storport.sys from Windows 7 has compatibility mode to allow old XP/2003 kernels write crashdumps through storport based disk drivers. In storport.sys from Windows 8 compatibility mode was removed, writing crashdumps possible only with new kernels.

Take attention: Windows 8's STORAHCI + Windows 7's STORPORT may have significal performance drop and high CPU usage, there is no fix yet

  1. Get files from Windows 8 (RTM ISO):

    storahci.sys	v6.2.9200.16384

  2. In storahci.sys replace string "storport.sys" to "storpor8.sys" in import section

  3. Storahci.sys was compiled with Windows 8 DDK's storport.h and writes values to new fields of _PORT_CONFIGURATION_INFORMATION struct, these fields not exist in Windows 7's storport.sys. Need to skip these writes to avoid damaging other structures in memory:

  • x32:
  1. Replace hex pattern 83 A6 C8 00 00 00 00 to 90 90 90 90 90 90 90 (and dword ptr [esi+0C8h], 0 -> nop)
  2. Replace hex pattern 83 8E CC 00 00 00 03 to 90 90 90 90 90 90 90 (or dword ptr [esi+0CCh], 3 -> nop)
  • x64:
  1. Replace hex pattern 44 89 B7 D8 00 00 00 to 90 90 90 90 90 90 90 (mov [rdi+0D8h], r14d -> nop)
  2. Replace hex pattern 83 8F DC 00 00 00 03 to 90 90 90 90 90 90 90 (or dword ptr [rdi+0DCh], 3 -> nop)

If you want compile storahci from sources (from Windows 8 DDK Samples), comment two lines:

       ConfigInfo->BusResetHoldTime = 0;
       ...
       ConfigInfo->FeatureSupport |= STOR_ADAPTER_FEATURE_STOP_UNIT_DURING_POWER_DOWN;

  1. In storahci.sys change security_cookie to random value

  2. Recalc checksum

Windows 7's MSAHCI driver for Windows XP

  1. Get files from Windows 7 Updates (KB3125574):

    atapi.sys	v6.1.7601.23403
ataport.sys	v6.1.7601.23403
msahci.sys	v6.1.7601.23403
pciidex.sys	v6.1.7601.23403

  2. In ataport.sys, pciidex.sys replace string "ntoskrnl.exe" to "ntoskrn8.sys" in import section

  3. Pciidex.sys uses MS Internal/Undocumented HalDispatchTable way to call functions from Kernel/HAL, for Windows XP/2003 need to use compatible variant:

  • x32: replace hex pattern FF 50 3C to FF 50 40, same in asm code:
       mov     eax, ds:HalDispatchTable
       ...
       call    dword ptr [eax+3Ch] => call    dword ptr [eax+40h]
  • x64: replace hex patterns:
  1. FF 50 78 to EB 2A 90
  2. offset +2Ch: CC CC CC CC CC CC CC CC to FF 90 80 00 00 00 EB CF, same in asm code:
       mov     rax, cs:HalDispatchTable
       ...
       call    qword ptr [rax+78h] => jmp patch

orig:
       mov     r10d, eax

patch:
      call    qword ptr [eax+80h]
      jmp     orig

  1. Recalc checksum

  2. MSHDC.INF from Windows 7 conflict with original mshdc.inf from Windows XP/2003. msahci.sys enumerates IDE/SATA channels as "Internal_IDE_Channel" and compatible ID is "*PNP0600". Original mshdc.inf from Windows XP/2003 for compatible Device ID "*PNP0600" will install wrong "Standard IDE/ESDI Hard Disk Controller" driver

Intel RSTe Enterprise AHCI/RAID driver 4.7.0.1098 for Windows XP/2003 +

Intel RST AHCI/RAID driver (v 11.x-16.x, last tested 16.8.3) for Windows XP/2003

These drivers require storport.sys from Windows 7, use backported one

  1. In file iaStorA.sys/iaStorAC.sys/iaStorAVC.sys replace string "ntoskrnl.exe" to "ntoskrn8.sys" in import section (do not change second string "NTOSKRNL.exe")

  2. Recalc checksum