Inventory of what PatchGuard watches

ntoskrnl.exe 10.0.26100.9168 (Win11 24H2) · dump mem09.elf · 3 contexts (global, ExpTimeZoneDpcRoutine, ExpTimerDpcRoutine) · 1126 descriptors · 861/861 verified · 34 types instantiated out of the 49 the dispatcher recognises.

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1. Modules

27 out of the 168 loaded.

Module	0x00 EXPORT	0x00 .xdata	0x01 .pdata	0x1E padding	0x0D IAT	0x23 LOAD_CONFIG	0x2C PE header	0x30 retpoline	0x21 page hash
ntoskrnl.exe	✓	✓	✓	✓	✓	✓	✓	·	✓
hal.dll	✓	·	·	·	·	·	✓	·	✓
win32k.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
CI.dll	✓	✓	✓	✓	✓	✓	✓	✓	✓
ndis.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
tcpip.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
Ntfs.sys	·	✓	✓	✓	✓	✓	✓	✓	✓
FLTMGR.SYS	✓	✓	✓	✓	✓	✓	✓	✓	✓
msrpc.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
ksecdd.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
cng.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
clipsp.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
dxgkrnl.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
watchdog.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
PSHED.dll	✓	✓	✓	✓	✓	✓	✓	✓	✓
BOOTVID.dll	✓	✓	✓	✓	✓	✓	✓	✓	✓
kdcom.dll	✓	✓	✓	✓	✓	✓	✓	✓	✓
CLFS.SYS	✓	✓	✓	✓	✓	✓	✓	✓	✓
tm.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
WMILIB.SYS	✓	✓	✓	✓	✓	✓	✓	✓	✓
werkernel.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
ntosext.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
cmimcext.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
symcryptk.dll	✓	✓	✓	✓	✓	✓	✓	✓	✓
winaccel.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
globmerger.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓
msseccore.sys	✓	✓	✓	✓	✓	✓	✓	✓	✓

Page-hash ranges (type 0x21, 20 bytes per 4 KB page, randomly sampled above 16 pages):

Module	Length	Pages
ntoskrnl.exe	0x1604000	5636
dxgkrnl.sys	0x4fc000	1276
Ntfs.sys	0x36e000	878
tcpip.sys	0x35c000	860
ndis.sys	0x1c2000	450
CI.dll	0x11e000	286
clipsp.sys	0x11b000	283
cng.sys	0xed000	237
win32k.sys	0xcb000	203
FLTMGR.SYS	0x99000	153
CLFS.SYS	0x90000	144
msrpc.sys	0x69000	105
ksecdd.sys	0x3a000	58
tm.sys	0x2e000	46
watchdog.sys	0x24000	36
globmerger.sys	0x24000	36
PSHED.dll	0x21000	33
werkernel.sys	0x1b000	27
winaccel.sys	0x19000	25
cmimcext.sys	0x16000	22
msseccore.sys	0x13000	19
symcryptk.dll	0x11000	17
BOOTVID.dll	0x11000	17
ntosext.sys	0x11000	17
WMILIB.SYS	0x11000	17
kdcom.dll	0xf000	15
hal.dll	0xa000	10

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2. Named globals

Type 0x20 in the global context, 0x00 in the conventional ones.

Symbol	Size
nt!KiServiceTable	0x7a4
nt!KeServiceDescriptorTable	0x20
nt!KeServiceDescriptorTable+0x20	0x20
nt!KeServiceDescriptorTableShadow	0x20
nt!KeServiceDescriptorTableShadow+0x20	0x20
nt!KeServiceDescriptorTableFilter	0x20
nt!KeServiceDescriptorTableFilter+0x20	0x20
nt!PsAltSystemCallHandlers	0x10
win32k.sys!TABLERO+0x0	0x1764
win32k.sys!TABLERO+0x2330	0x1764
nt!HalDispatchTable+0x8	0x8
nt!HalPrivateDispatchTable+0x450	0x8
nt!HalPerformEndOfInterruptAtController	0x8
nt!HalpProfileInterface	0x8
nt!HalpProfileFeatures	0x4
nt!SeCiCallbacks	0x110
nt!SeCiDebugOptions	0x4
nt!SeILSigningPolicy	0x1
nt!SeProtectedMapping	0x12
nt!SeMsMinTCBList	0x198
nt!g_SecureBootPolicyBlobHeader	0x18
CI.dll!CiPolicy+0x0	0x4
CI.dll!CiPolicy+0x4	0x4
CI.dll!CiPolicy+0x8	0x1
CI.dll!CiPolicy+0xc	0x4
CI.dll!CiPolicy+0x10	0x4
CI.dll!.data+0x1588	0x8
CI.dll!.data+0x15a0	0x70
CI.dll!.data+0x1640	0x40
nt!HvcallCodeVa	0x8
nt!HvlpHypercallCodeVa	0x8
nt!HvlpVsmVtlCallVa	0x8
nt!HvlpInterruptCallback	0x28
nt!MiState+0xca0	0x8
nt!MiState+0xca8	0x8
nt!MmBadPointer	0x8
nt!MmHighestUserAddress	0x8
nt!MmUserProbeAddress	0x8
nt!MmSystemRangeStart	0x8
nt!KiKvaShadow	0x1
nt!KiIsrThunkShadow	0x800
nt!KiDebugTraps	0x40
nt!KiDynamicTraceEnabled	0x4
nt!KiDynamicTraceCallouts	0x58
nt!ObpObjectTypes	0x1d0
nt!ExpInitializeCallback	0x80
nt!PsWin32NullCallBack	0x8
nt!PspPicoProviderRoutines	0x58
nt!PspSystemMitigationOptions	0x18
nt!PsInvertedFunctionTable+0x10	0x18
nt!RtlpUnwindHistoryTable	0xd8
nt!RtlProtectedAccess	0x6c
nt!InitSafeBootMode	0x4
nt!KdpBootedNodebug	0x1
nt!__ti_a	0x158
KUSER_SHARED_DATA+0x274	0x40
KUSER_SHARED_DATA+0x308	0x4
KUSER_SHARED_DATA+0xa80	0x580
msseccore.sys!.rdata+0x0	0x10
msseccore.sys!SecKdpSe+0x8	0x8

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3. Object types

Type 0x08 (duplicated as 0x20): the 0x40 bytes of _OBJECT_TYPE_INITIALIZER of all 58 object types in the system, without exception.

ALPC Port            ActivationObject     ActivityReference    Adapter
Callback             Composition          Controller           CoreMessaging
CoverageSampler      CpuPartition         DebugObject          Desktop
Device               Directory            DmaAdapter           Driver
EnergyTracker        EtwConsumer          EtwRegistration      EtwSessionDemuxEntry
Event                File                 IRTimer              IoCompletion
IoCompletionReserve  IoRing               Job                  Key
KeyedEvent           Mutant               Partition            PowerRequest
Process              ProcessStateChange   Profile              PsSiloContextNonPaged
PsSiloContextPaged   RawInputManager      RegistryTransaction  SchedulerSharedData
Section              Semaphore            Session              SymbolicLink
Thread               ThreadStateChange    Timer                TmEn
TmRm                 TmTm                 TmTx                 Token
TpWorkerFactory      Type                 UserApcReserve       WaitCompletionPacket
WindowStation        WmiGuid

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4. Per processor

13 regions plus IDT and GDT per CPU (2 CPUs in this boot).

Type	Region	Size
0x02	IDT — the first 53 vectors	0x350
0x03	GDT	0x50
0x03	segment registers LDTR, SS, TR (KiGetLdtr/KiGetSs/KiGetTr)	—
0x20/0x00	KPCR+0x00 — GdtBase	0x8
0x20/0x00	KPCR+0x08 — TssBase	0x8
0x20/0x00	KPCR+0x38 — IdtBase	0x8
0x20/0x00	KPCR+0x108	0x8
0x20/0x00	the whole _KTSS64 up to IoMapBase	0x68
0x20/0x00	TSS.Ist[1] … TSS.Ist[4] (stride 0x200)	0x10 ×4
0x20/0x00	back-pointer word at the end of 4 blocks of 32 KB (stride 0x8000)	0x8 ×4

Shared by all processors:

Type	Region	Size
0x20/0x00	table of 32 {ntoskrnl RVA, address} records, two contiguous blocks	0x200 ×2

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5. MSRs

Type 0x07, one descriptor per processor, 11 MSRs each.