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Copy pathCreatemVmcallHandlersTable2019.py
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CreatemVmcallHandlersTable2019.py
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__author__ = "Gerhart"
__license__ = "GPL"
__version__ = "1.1.0"
#Script parsing and formating structures with hypercall handlers in hvix64.exe
#Microsoft doesn't provide symbols for hvix64.exe, therefore i called it VmcallHandlersTable
#Hypercalls were taken from Hyper-V TLFS, winhvr.sys, winhv.sys, ntoskrnl.exe, securekernel.exe
#Windows 10 and Windows Server 2019 have different hypercalls. There are not many, but don't forget about it.
import idaapi
TableEntrySize = 0x18 #size of struct for every hypervisor handler
hvcalls_dict = {
0x0000: 'HvCallReserved00',
0x0001: 'HvSwitchVirtualAddressSpace',
0x0002: 'HvFlushVirtualAddressSpace',
0x0003: 'HvFlushVirtualAddressList',
0x0004: 'HvGetLogicalProcessorRunTime',
0x0005: 'HvUpdateHvProcessorFeatures', #winhvr.sys (09.2019)
0x0006: 'HvUnknown01',
0x0007: 'HvCondenseMicrocode', #ntoskrnl.exe, HvDynamicUpdateMicrocode has same microcode
0x0008: 'HvNotifyLongSpinWait',
0x0009: 'HvParkedVirtualProcessors',
0x000a: 'HvDisableVpVtl', #winhvr.sys (09.2019)
#2016
0x000b: 'HvCallSendSyntheticClusterIpi', #SkpgPatchGuardCallbackRoutine
0x000c: 'HvCallModifyVtlProtectionMask',
0x000d: 'HvCallEnablePartitionVtl',
0x000e: 'HvCallDisablePartitionVtl',
0x000f: 'HvCallEnableVpVtl',
0x0010: 'HvCallDisableVpVtl',
0x0011: 'HvCallVtlCall',
0x0012: 'HvCallVtlReturn',
0x0013: 'HvCallFlushVirtualAddressSpaceEx',
0x0014: 'HvCallFlushVirtualAddressListEx',
0x0015: 'HvCallSendSyntheticClusterIpiEx', #securekernel.exe, SkpgPatchGuardCallbackRoutine
#####
0x0016: 'HvCallReserved00',
0x0017: 'HvLoadHypervisorPatch01', #securekernel.exe, ShvlLoadHypervisorPatch
0x0018: 'HvLoadHypervisorPatch02', #securekernel.exe, ShvlLoadHypervisorPatch
0x0019: 'HvCallReserved00',
0x001a: 'HvCallReserved00',
0x001b: 'HvUnknown02',
0x001c: 'HvReadPerfRegister', #ntoskrnl.exe, Fast hypercall
0x001d: 'HvCallReserved00',
0x001e: 'HvCallReserved00',
0x001f: 'HvCallReserved00',
0x0020: 'HvCallReserved00',
0x0021: 'HvCallReserved00',
0x0022: 'HvCallReserved00',
0x0023: 'HvCallReserved00',
0x0024: 'HvCallReserved00',
0x0025: 'HvCallReserved00',
0x0026: 'HvCallReserved00',
0x0027: 'HvCallReserved00',
0x0028: 'HvCallReserved00',
0x0029: 'HvCallReserved00',
0x002a: 'HvCallReserved00',
0x002b: 'HvCallReserved00',
0x002c: 'HvCallReserved00',
0x002d: 'HvCallReserved00',
0x002e: 'HvCallReserved00',
0x002f: 'HvCallReserved00',
0x0030: 'HvCallReserved00',
0x0031: 'HvCallReserved00',
0x0032: 'HvCallReserved00',
0x0033: 'HvCallReserved00',
0x0034: 'HvCallReserved00',
0x0035: 'HvCallReserved00',
0x0036: 'HvCallReserved00',
0x0037: 'HvCallReserved00',
0x0038: 'HvCallReserved00',
0x0039: 'HvCallReserved00',
0x003a: 'HvCallReserved00',
0x003b: 'HvCallReserved00',
0x003c: 'HvCallReserved00',
0x003d: 'HvCallReserved00',
0x003e: 'HvCallReserved00',
0x003f: 'HvCallReserved00',
0x0040: 'HvCreatePartition',
0x0041: 'HvInitializePartition',
0x0042: 'HvFinalizePartition',
0x0043: 'HvDeletePartition',
0x0044: 'HvGetPartitionProperty',
0x0045: 'HvSetPartitionProperty',
0x0046: 'HvGetPartitionId',
0x0047: 'HvGetNextChildPartition',
0x0048: 'HvDepositMemory',
0x0049: 'HvWithdrawMemory',
0x004A: 'HvGetMemoryBalance',
0x004B: 'HvMapGpaPages',
0x004C: 'HvUnmapGpaPages',
0x004D: 'HvInstallIntercept',
0x004E: 'HvCreateVp',
0x004F: 'HvDeleteVp',
0x0050: 'HvGetVpRegisters',
0x0051: 'HvSetVpRegisters',
0x0052: 'HvTranslateVirtualAddress', #used by securekernel.exe
0x0053: 'HvReadGpa',
0x0054: 'HvWriteGpa',
0x0055: 'HvDepricated', #depricated
0x0056: 'HvClearVirtualInterrupt',
0x0057: 'HvCreatePort',
0x0058: 'HvDeletePort',
0x0059: 'HvConnectPort',
0x005A: 'HvGetPortProperty',
0x005B: 'HvDisconnectPort',
0x005C: 'HvPostMessage',
0x005D: 'HvSignalEvent',
0x005E: 'HvSavePartitionState', #HvCancelSavePartitionState in latest winhvr.sys (09.2019), HvSavePartitionState has same Hypercall ID
0x005F: 'HvRestorePartitionState', #HvCancelRestorePartitionState in latest winhvr.sys (09.2019)
0x0060: 'HvInitializeEventLogBufferGroup',
0x0061: 'HvFinalizeEventLogBufferGroup',
0x0062: 'HvCreateEventLogBuffer',
0x0063: 'HvDeleteEventLogBuffer',
0x0064: 'HvMapEventLogBuffer',
0x0065: 'HvUnmapEventLogBuffer',
0x0066: 'HvSetEventLogGroupSources',
0x0067: 'HvReleaseEventLogBuffer',
0x0068: 'HvFlushEventLogBuffer',
0x0069: 'HvPostDebugData',
0x006A: 'HvRetrieveDebugData',
0x006B: 'HvResetDebugSession',
0x006C: 'HvMapStatsPage',
0x006D: 'HvUnmapStatsPage',
0x006E: 'HvCallMapSparseGpaPages',
0x006F: 'HvCallSetSystemProperty', #HvConfigureProfiler, HvSetHvDebugProperty we can see in winhvr.sys (09.2019)
0x0070: 'HvCallSetPortProperty',
0x0071: 'HvCallReserved00',
0x0072: 'HvCallReserved00',
0x0073: 'HvCallReserved00',
0x0074: 'HvCallReserved00',
0x0075: 'HvCallReserved00',
0x0076: 'HvCallAddLogicalProcessor',
0x0077: 'HvCallRemoveLogicalProcessor',
0x0078: 'HvCallQueryNumaDistance',
0x0079: 'HvCallSetLogicalProcessorProperty',
0x007A: 'HvCallGetLogicalProcessorProperty',
0x007B: 'HvCallGetSystemProperty', #HvGetSystemInformation in winhvr.sys (09.2019)
0x007C: 'HvCallMapDeviceInterrupt',
0x007D: 'HvCallUnmapDeviceInterrupt',
0x007E: 'HvCallRetargetDeviceInterrupt', #renamed
0x007F: 'HvCallReserved00', #made reserved
0x0080: 'HvCallMapDevicePages', #HvAssertDeviceInterrupt in winhvr.sys (09.2019). HvMapDevicePages is not present.
0x0081: 'HvCallUnmapDevicePages',
0x0082: 'HvCallAttachDevice',
0x0083: 'HvCallDetachDevice',
0x0084: 'HvCallEnterSleepState',
0x0085: 'HvCallPrepareForSleep', #HvNotifyStandbyTransition in winhvr.sys (09.2019)
0x0086: 'HvCallPrepareForHibernate',
0x0087: 'HvCallNotifyPartitionEvent',
0x0088: 'HvCallGetLogicalProcessorRegisters',
0x0089: 'HvCallSetLogicalProcessorRegisters',
0x008A: 'HvCallQueryAssociatedLpsforMca',
0x008B: 'HvCallNotifyRingEmpty', #HvGetNextQueuedPort in winhvr.sys (09.2019)
0x008C: 'HvCallInjectSyntheticMachineCheck',
0x008d: 'HvCallScrubPartition',
0x008e: 'HvCallCollectLivedump',
0x008f: 'HvCallDisableHypervisor',
0x0090: 'HvCallModifySparseGpaPages',
0x0091: 'HvCallRegisterInterceptResult',
0x0092: 'HvCallUnregisterInterceptResult',
#2016
0x0093: 'HvUnknown03',
0x0094: 'HvCallAssertVirtualInterrupt',
0x0095: 'HvCallCreatePort',
0x0096: 'HvCallConnectPort',
0x0097: 'HvCallGetSpaPageList',
0x0098: 'HvCallReserved00',
0x0099: 'HvCallStartVirtualProcessor',
0x009A: 'HvCallGetVpIndexFromApicId',
0x009B: 'HvUnknown04',
0x009C: 'HvUnknown05',
0x009D: 'HvUnknown06',
0x009E: 'HvUnknown07',
0x009F: 'HvUnknown08',
0x00A0: 'HvUnknown09',
0x00A1: 'HvUnknown10',
0x00A2: 'HvUnknown11',
0x00A3: 'HvUnknown12',
0x00A4: 'HvUnknown13',
0x00A5: 'HvUnknown14',
0x00A6: 'HvUnknown15',
0x00A7: 'HvUnknown16',
0x00A8: 'HvUnknown17',
0x00A9: 'HvUnknown18',
0x00AA: 'HvUnknown19',
0x00AB: 'HvUnknown20',
0x00AC: 'HvTranslateVirtualAddress01', #winhvr.sys. Early it has hypercall id 0x52
0x00AD: 'HvCheckForIoIntercept', #winhvr.sys
0x00AE: 'HvSetGpaPageAttributes', #securekernel.exe
0x00AF: 'HvCallFlushGuestPhysicalAddressSpace',
0x00B0: 'HvCallFlushGuestPhysicalAddressList',
#2019
0x00B1: 'HvUnknown21',
0x00B2: 'HvAttachDeviceDomain', #securekernel.exe
0x00B3: 'HvMapDeviceGpaPages', #securekernel.exe
0x00B4: 'HvUnmapDeviceGpaPages', #securekernel.exe
0x00B5: 'HvCreateCpuGroup', #winhvr.sys
0x00B6: 'HvDeleteCpuGroup', #winhvr.sys
0x00B7: 'HvGetCpuGroupProperty', #winhvr.sys
0x00B8: 'HvSetCpuGroupProperty', #winhvr.sys
0x00B9: 'HvGetCpuGroupAffinity', #winhvr.sys
0x00BA: 'HvHvGetNextCpuGroup', #winhvr.sys
0x00BB: 'HvGetNextCpuGroupPartition', #winhvr.sys
0x00BC: 'HvUnknown24',
0x00BD: 'HvCompleteIntercept', #winhvr.sys
0x00BE: 'HvPrecommitGpaPages', #winhvr.sys
0x00BF: 'HvUncommitGpaPages', #winhvr.sys
0x00C0: 'HvCallReserved00',
0x00C1: 'HvCallReserved00',
0x00C2: 'HvDispatchVp', #winhvr.sys, fast hypercall
0x00C3: 'HvUnknown25',
0x00C4: 'HvHandleDmaTargetExposeToVtl0', #securekernel.exe SkpnppHandleDmaTargetExposeToVtl0
0x00C5: 'HvUnknown26',
0x00C6: 'HvCallReserved00',
0x00C7: 'HvUnknown27',
0x00C8: 'HvUnknown28',
0x00C9: 'HvGetGpaPagesAccessState', #winhvr.sys
0x00CA: 'HvUnknown29',
0x00CB: 'HvCallReserved00',
0x00CC: 'HvQueryVtlProtectionMaskRange', #winhvr.sys
0x00CD: 'HvModifyVtlProtectionMaskRange', #winhvr.sys
0x00CE: 'HvCallReserved00',
0x00CF: 'HvCallReserved00',
0x00D1: 'HvCallReserved00',
0x00D2: 'HvAcquireSparseGpaPageHostAccess', #winhvr.sys
0x00D3: 'HvReleaseSparseGpaPageHostAccess', #winhvr.sys
0x00D4: 'HvCheckSparseGpaPageVtlAccess', #winhvr.sys
0x00D5: 'HvCallReserved00',
0x00D6: 'HvCallReserved00',
0x00D7: 'HvAcquireSparseSpaPageHostAccess', #winhvr.sys
0x00D8: 'HvReleaseSparseSpaPageHostAccess', #winhvr.sys
0x00D9: 'HvModifySparseGpaPageHostVisibility', #winhv.sys
0x00DA: 'HvCallReserved00',
0x00DB: 'HvAcceptGpaPages', #winhvr.sys
0x00DC: 'HvUnknown30',
0x00DD: 'HvUnknown31',
0x00DE: 'HvUnknown32',
0x00DF: 'HvUnknown33',
0x00E0: 'HvQueryDeviceInterruptTarget', #winhvr.sys
0x00E1: 'HvMapVpRegisterPage', #winhvr.sys (HvMapVpStatePage in Windows 10)
0x00E2: 'HvUnknown34',
0x00E3: 'HvGetXsaveData', #winhvr.sys
0x00E4: 'HvSetXsaveData', #winhvr.sys
0x00E5: 'HvGetLocalInterruptControllerState', #winhvr.sys
0x00E6: 'HvSetLocalInterruptControllerState', #winhvr.sys
0x00E7: 'HvCreateIptBuffers', #winhvr.sys (Windows 10)
0x00E8: 'HvDeleteIptBuffers', #winhvr.sys (Windows 10)
}
hvStats = GetEnum("HV_HYPERCALL_STATS_GROUP") #hypercall's category using for statistic purpose
if hvStats != 0xffffffffffffffffL:
print "enum HV_HYPERCALL_STATS_GROUP already exists"
if hvStats == 0xffffffffffffffffL:
hvStats = AddEnum(-1, "HV_HYPERCALL_STATS_GROUP", 0)
BeginTypeUpdating(UTP_ENUM)
AddConst(hvStats,"GPA_SPACE_HYPERCALL",0x3D)
AddConst(hvStats,"LOGICAL_PROCESSOR_HYPERCALL",0x3E)
AddConst(hvStats,"LONG_SPIN_WAIT_HYPERCALL",0x3F)
AddConst(hvStats,"OTHER_HYPERCALL",0x40)
AddConst(hvStats,"INTER_PARTITION_COMMUNICATION_HYPERCALL",0x41)# i don't see same counter in PerformanceMonitor, but there is category in Hyper-v TLFS.
AddConst(hvStats,"VIRTUAL_INTERRUPT_HYPERCALL",0x42)
AddConst(hvStats,"VIRTUAL_MMU_HYPERCALL",0x43)
AddConst(hvStats,"VIRTUAL_PROCESSOR_HYPERCALL",0x44)
AddConst(hvStats,"VIRTUAL_PROCESSOR_HYPERCALL02",0x45)
AddConst(hvStats,"FLUSH_PHYSICAL_ADDRESS_SPACE",0x8F)
AddConst(hvStats,"FLUSH_PHYSICAL_ADDRESS_LIST",0x90)
EndTypeUpdating(UTP_ENUM)
StartAddress = idaapi.get_segm_by_name("CONST").startEA #usually start of CONST segment, but it will can change in future
print "Address of HypercallHandlerTable is ",hex(StartAddress)
#hvCallCount = 0x92 #count of hypercalls in Windows Server 2012 R2
#hvCallCount = 0xAD count of hypercalls in Windows Server 2016 TP4
#hvCallCount = 0xBC #count of hypercalls in Windows Server 2016
#hvCallCount = 0xE6 #count of hypercalls in Windows Server 2019
#hvCallCount = 0xE8 #count of hypercalls in Windows 10 19H1
hvCallCount = len(hvcalls_dict)
print "hvcalls_dict size is",hex(hvCallCount)
#Working with first element manually
HvCallReserved00 = idc.Qword(StartAddress)
del_items(HvCallReserved00, flags=0, size=1)
idc.MakeCode(HvCallReserved00)
idc.MakeFunction(HvCallReserved00)
MakeNameEx(HvCallReserved00,str('HvCallReserved00'), SN_NOWARN)
for j in range(0,6):
idc.MakeWord(StartAddress+8+j*2)
j=j+1
idc.MakeDword(StartAddress+8+j*2)
OpEnumEx(StartAddress+8+j*2, 0, hvStats, 0)
#Next elements
for i in range(1,hvCallCount+1):
hvCallAddress = idc.Qword(StartAddress+i*TableEntrySize)
if (hvCallAddress !=HvCallReserved00):
idc.MakeCode(hvCallAddress)
idc.MakeFunction(hvCallAddress)
MakeNameEx(hvCallAddress,hvcalls_dict[i], SN_NOWARN)
for j in range(0,6):
dw_addr = idc.MakeWord(StartAddress+i*TableEntrySize+8+j*2)
j=j+1
idc.MakeDword(StartAddress+i*TableEntrySize+8+j*2)
OpEnumEx(StartAddress+i*TableEntrySize+8+j*2, 0, hvStats, 0)