typedef struct _SYSTEM_HANDLE_TABLE_ENTRY_INFO{
	USHORT	UniqueProcessId;
	USHORT	CreatorBackTraceIndex;
	UCHAR	ObjectTypeIndex;
	UCHAR	HandleAttributes;
	USHORT	HandleValue;
	PVOID	Object;
	ULONG	GrantedAccess;
} SYSTEM_HANDLE_TABLE_ENTRY_INFO, *PSYSTEM_HANDLE_TABLE_ENTRY_INFO;

typedef struct _SYSTEM_HANDLE_INFORMATION {
    ULONG64 NumberOfHandles;
	SYSTEM_HANDLE_TABLE_ENTRY_INFO Handles[1];
} SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION;

#define OB_TYPE_INDEX_TYPE 1 // [ObjT] "Type"
#define OB_TYPE_INDEX_DIRECTORY 2 // [Dire] "Directory"
#define OB_TYPE_INDEX_SYMBOLIC_LINK 3 // [Symb] "SymbolicLink"
#define OB_TYPE_INDEX_TOKEN 4 // [Toke] "Token"
#define OB_TYPE_INDEX_PROCESS 5 // [Proc] "Process"
#define OB_TYPE_INDEX_THREAD 6 // [Thre] "Thread"
#define OB_TYPE_INDEX_JOB 7 // [Job ] "Job"
#define OB_TYPE_INDEX_EVENT 8 // [Even] "Event"
#define OB_TYPE_INDEX_EVENT_PAIR 9 // [Even] "EventPair"
#define OB_TYPE_INDEX_MUTANT 10 // [Muta] "Mutant"
#define OB_TYPE_INDEX_CALLBACK 11 // [Call] "Callback"
#define OB_TYPE_INDEX_SEMAPHORE 12 // [Sema] "Semaphore"
#define OB_TYPE_INDEX_TIMER 13 // [Time] "Timer"
#define OB_TYPE_INDEX_PROFILE 14 // [Prof] "Profile"
#define OB_TYPE_INDEX_WINDOW_STATION 15 // [Wind] "WindowStation"
#define OB_TYPE_INDEX_DESKTOP 16 // [Desk] "Desktop"
#define OB_TYPE_INDEX_SECTION 17 // [Sect] "Section"
#define OB_TYPE_INDEX_KEY 18 // [Key ] "Key"
#define OB_TYPE_INDEX_PORT 19 // [Port] "Port"
#define OB_TYPE_INDEX_WAITABLE_PORT 20 // [Wait] "WaitablePort"
#define OB_TYPE_INDEX_ADAPTER 21 // [Adap] "Adapter"
#define OB_TYPE_INDEX_CONTROLLER 22 // [Cont] "Controller"
#define OB_TYPE_INDEX_DEVICE 23 // [Devi] "Device"
#define OB_TYPE_INDEX_DRIVER 24 // [Driv] "Driver"
#define OB_TYPE_INDEX_IO_COMPLETION 25 // [IoCo] "IoCompletion"
#define OB_TYPE_INDEX_FILE 26 // [File] "File"
#define OB_TYPE_INDEX_WMI_GUID 27 // [WmiG] "WmiGuid"

typedef struct _SYSTEM_HANDLE_TABLE_ENTRY_INFO{
	USHORT	UniqueProcessId;
	USHORT	CreatorBackTraceIndex;
	UCHAR	ObjectTypeIndex;
	UCHAR	HandleAttributes;
	USHORT	HandleValue;
	PVOID	Object;
	ULONG	GrantedAccess;
} SYSTEM_HANDLE_TABLE_ENTRY_INFO, *PSYSTEM_HANDLE_TABLE_ENTRY_INFO;

typedef struct _SYSTEM_HANDLE_INFORMATION {
    ULONG64 NumberOfHandles;
	SYSTEM_HANDLE_TABLE_ENTRY_INFO Handles[1];
} SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION;

ObjectTypeIndex这个值的定义

#define OB_TYPE_INDEX_TYPE 1 // [ObjT] "Type"
#define OB_TYPE_INDEX_DIRECTORY 2 // [Dire] "Directory"
#define OB_TYPE_INDEX_SYMBOLIC_LINK 3 // [Symb] "SymbolicLink"
#define OB_TYPE_INDEX_TOKEN 4 // [Toke] "Token"
#define OB_TYPE_INDEX_PROCESS 5 // [Proc] "Process"
#define OB_TYPE_INDEX_THREAD 6 // [Thre] "Thread"
#define OB_TYPE_INDEX_JOB 7 // [Job ] "Job"
#define OB_TYPE_INDEX_EVENT 8 // [Even] "Event"
#define OB_TYPE_INDEX_EVENT_PAIR 9 // [Even] "EventPair"
#define OB_TYPE_INDEX_MUTANT 10 // [Muta] "Mutant"
#define OB_TYPE_INDEX_CALLBACK 11 // [Call] "Callback"
#define OB_TYPE_INDEX_SEMAPHORE 12 // [Sema] "Semaphore"
#define OB_TYPE_INDEX_TIMER 13 // [Time] "Timer"
#define OB_TYPE_INDEX_PROFILE 14 // [Prof] "Profile"
#define OB_TYPE_INDEX_WINDOW_STATION 15 // [Wind] "WindowStation"
#define OB_TYPE_INDEX_DESKTOP 16 // [Desk] "Desktop"
#define OB_TYPE_INDEX_SECTION 17 // [Sect] "Section"
#define OB_TYPE_INDEX_KEY 18 // [Key ] "Key"
#define OB_TYPE_INDEX_PORT 19 // [Port] "Port"
#define OB_TYPE_INDEX_WAITABLE_PORT 20 // [Wait] "WaitablePort"
#define OB_TYPE_INDEX_ADAPTER 21 // [Adap] "Adapter"
#define OB_TYPE_INDEX_CONTROLLER 22 // [Cont] "Controller"
#define OB_TYPE_INDEX_DEVICE 23 // [Devi] "Device"
#define OB_TYPE_INDEX_DRIVER 24 // [Driv] "Driver"
#define OB_TYPE_INDEX_IO_COMPLETION 25 // [IoCo] "IoCompletion"
#define OB_TYPE_INDEX_FILE 26 // [File] "File"
#define OB_TYPE_INDEX_WMI_GUID 27 // [WmiG] "WmiGuid"

来源： <http://www.cnblogs.com/himessage/archive/2012/12/27/2835158.html>