Reply To: retrieving full process image path name in kernel mode

Home Forums Discussions General Discussion retrieving full process image path name in kernel mode Reply To: retrieving full process image path name in kernel mode

#5878

Vadim Smirnov
Moderator

Also isn’t IoGetCurrentProcess() is a kernel routine not user mode?

It is kernel routine but see the topic title “retrieving full process image path name in kernel mode”. 8)

And can show me your EPROCESS structure?

EPROCESS definitions for NT 4.0, 2000, XP, 2003 are below:

typedef struct _EPROCESS_NT4
{
KPROCESS_NT4 Pcb;
NTSTATUS ExitStatus;
KEVENT LockEvent;
ULONG LockCount;
LARGE_INTEGER CreateTime;
LARGE_INTEGER ExitTime;
PKTHREAD_NT4 LockOwner;
ULONG UniqueProcessId;
LIST_ENTRY ActiveProcessLinks;
ULONGLONG QuotaPeakPoolUsage;
ULONGLONG QuotaPoolUsage;
ULONG PagefileUsage;
ULONG CommitCharge;
ULONG PeakPagefileUsage;
ULONG PeakVirtualSize;
ULONGLONG VirtualSize;
MMSUPPORT_NT4 Vm;
ULONG LastProtoPteFault;
ULONG DebugPort;
ULONG ExceptionPort;
PHANDLE_TABLE ObjectTable;
PACCESS_TOKEN Token;
FAST_MUTEX WorkingSetLock;
ULONG WorkingSetPage;
BOOLEAN ProcessOutswapEnabled;
BOOLEAN ProcessOutswapped;
BOOLEAN AddressSpaceInitialized;
BOOLEAN AddressSpaceDeleted;
FAST_MUTEX AddressCreationLock;
KSPIN_LOCK HyperSpaceLock;
PETHREAD_NT4 ForkInProgress;
USHORT VmOperation;
BOOLEAN ForkWasSuccessful;
UCHAR MmAgressiveWsTrimMask;
PKEVENT VmOperationEvent;
HARDWARE_PTE PageDirectoryPte;
ULONG LastFaultCount;
ULONG ModifiedPageCount;
PVOID VadRoot;
PVOID VadHint;
ULONG CloneRoot;
ULONG NumberOfPrivatePages;
ULONG NumberOfLockedPages;
USHORT NextPageColor;
BOOLEAN ExitProcessCalled;
BOOLEAN CreateProcessReported;
HANDLE SectionHandle;
PPEB Peb;
PVOID SectionBaseAddress;
PEPROCESS_QUOTA_BLOCK QuotaBlock;
NTSTATUS LastThreadExitStatus;
PPROCESS_WS_WATCH_INFORMATION WorkingSetWatch;
HANDLE Win32WindowStation;
HANDLE InheritedFromUniqueProcessId;
ACCESS_MASK GrantedAccess;
ULONG DefaultHardErrorProcessing;
PVOID LdtInformation;
PVOID VadFreeHint;
PVOID VdmObjects;
KMUTANT ProcessMutant;
UCHAR ImageFileName[16];
ULONG VmTrimFaultValue;
UCHAR SetTimerResolution;
UCHAR PriorityClass;
union
{
struct
{
UCHAR SubSystemMinorVersion;
UCHAR SubSystemMajorVersion;
};
USHORT SubSystemVersion;
};
PVOID Win32Process;
} EPROCESS_NT4, *PEPROCESS_NT4;

typedef struct _EPROCESS_W2K
{
KPROCESS_W2K Pcb;
NTSTATUS ExitStatus;
KEVENT LockEvent;
ULONG LockCount;
LARGE_INTEGER CreateTime;
LARGE_INTEGER ExitTime;
PKTHREAD_W2K LockOwner;
ULONG UniqueProcessId;
LIST_ENTRY ActiveProcessLinks;
ULONGLONG QuotaPeakPoolUsage;
ULONGLONG QuotaPoolUsage;
ULONG PagefileUsage;
ULONG CommitCharge;
ULONG PeakPagefileUsage;
ULONG PeakVirtualSize;
ULONGLONG VirtualSize;
MMSUPPORT_W2K Vm;
LIST_ENTRY SessionProcessLinks;
ULONG DebugPort;
ULONG ExceptionPort;
PHANDLE_TABLE ObjectTable;
PACCESS_TOKEN Token;
FAST_MUTEX WorkingSetLock;
ULONG WorkingSetPage;
BOOLEAN ProcessOutswapEnabled;
BOOLEAN ProcessOutswapped;
BOOLEAN AddressSpaceInitialized;
BOOLEAN AddressSpaceDeleted;
FAST_MUTEX AddressCreationLock;
KSPIN_LOCK HyperSpaceLock;
PETHREAD_W2K ForkInProgress;
USHORT VmOperation;
BOOLEAN ForkWasSuccessful;
UCHAR MmAgressiveWsTrimMask;
PKEVENT VmOperationEvent;
PVOID PaeTop;
ULONG LastFaultCount;
ULONG ModifiedPageCount;
PVOID VadRoot;
PVOID VadHint;
ULONG CloneRoot;
ULONG NumberOfPrivatePages;
ULONG NumberOfLockedPages;
USHORT NextPageColor;
BOOLEAN ExitProcessCalled;
BOOLEAN CreateProcessReported;
HANDLE SectionHandle;
PPEB Peb;
PVOID SectionBaseAddress;
PEPROCESS_QUOTA_BLOCK QuotaBlock;
NTSTATUS LastThreadExitStatus;
PPROCESS_WS_WATCH_INFORMATION WorkingSetWatch;
HANDLE Win32WindowStation;
HANDLE InheritedFromUniqueProcessId;
ACCESS_MASK GrantedAccess;
ULONG DefaultHardErrorProcessing;
PVOID LdtInformation;
PVOID VadFreeHint;
PVOID VdmObjects;
PDEVICE_MAP DeviceMap;
ULONG SessionId;
LIST_ENTRY PhysicalVadList;
HARDWARE_PTE PageDirectoryPte;
ULONG Filler;
ULONG PaePageDirectoryPage;
UCHAR ImageFileName[16];
ULONG VmTrimFaultValue;
UCHAR SetTimerResolution;
UCHAR PriorityClass;
union
{
struct
{
UCHAR SubSystemMinorVersion;
UCHAR SubSystemMajorVersion;
};
USHORT SubSystemVersion;
};
PVOID Win32Process;
PEJOB Job;
ULONG JobStatus;
LIST_ENTRY JobLinks;
PVOID LockedPageList;
PVOID SecurityPort;
PWOW64_PROCESS Wow64Process;
LARGE_INTEGER ReadOperationCount;
LARGE_INTEGER WriteOperationCount;
LARGE_INTEGER OtherOperationCount;
LARGE_INTEGER ReadTransferCount;
LARGE_INTEGER WriteTransferCount;
LARGE_INTEGER OtherTransferCount;
ULONG CommitChargeLimit;
ULONG CommitChargePeek;
LIST_ENTRY ThreadListHead;
PRTL_BITMAP VadPhysicalPagesBitMap;
ULONG VadPhysicalPages;
ULONG AweLock;
} EPROCESS_W2K, *PEPROCESS_W2K;

typedef struct _EPROCESS_XP
{
KPROCESS_XP Pcb;
EX_PUSH_LOCK ProcessLock;
LARGE_INTEGER CreateTime;
LARGE_INTEGER ExitTime;
EX_RUNDOWN_REF RundownProtect;
PVOID UniqueProcessId;
LIST_ENTRY ActiveProcessLinks;
ULONG QuotaUsage[3];
ULONG QuotaPeak[3];
ULONG CommitCharge;
ULONG PeakVirtualSize;
ULONG VirtualSize;
LIST_ENTRY SessionProcessLinks;
PVOID DebugPort;
PVOID ExceptionPort;
PHANDLE_TABLE ObjectTable;
EX_FAST_REF Token;
FAST_MUTEX WorkingSetLock;
ULONG WorkingSetPage;
FAST_MUTEX AddressCreationLock;
KSPIN_LOCK HyperSpaceLock;
PETHREAD_XP ForkInProgress;
ULONG HardwareTrigger;
PVOID VadRoot;
PVOID VadHint;
PVOID CloneRoot;
ULONG NumberOfPrivatePages;
ULONG NumberOfLockedPages;
PVOID Win32Process;
PEJOB Job;
PSECTION_OBJECT SectionObject;
PVOID SectionBaseAddress;
PEPROCESS_QUOTA_BLOCK QuotaBlock;
PPAGEFAULT_HISTORY WorkingSetWatch;
PVOID Win32WindowStation;
PVOID InheritedFromUniqueProcessId;
PVOID LdtInformation;
PVOID VadFreeHint;
PVOID VdmObjects;
PDEVICE_MAP DeviceMap;
LIST_ENTRY PhysicalVadList;
union
{
HARDWARE_PTE PageDirectoryPte;
ULONGLONG Filler;
};
PVOID Session;
UCHAR ImageFileName[16];
LIST_ENTRY JobLinks;
PVOID LockedPageList;
LIST_ENTRY ThreadListHead;
PVOID SecurityPort;
PVOID PaeTop;
ULONG ActiveThreads;
ULONG GrantedAccess;
ULONG DefaultHardErrorProcessing;
NTSTATUS LastThreadExitStatus;
PPEB Peb;
EX_FAST_REF PrefetchTrace;
LARGE_INTEGER ReadOperationCount;
LARGE_INTEGER WriteOperationCount;
LARGE_INTEGER OtherOperationCount;
LARGE_INTEGER ReadTransferCount;
LARGE_INTEGER WriteTransferCount;
LARGE_INTEGER OtherTransferCount;
ULONG CommitChargeLimit;
ULONG CommitChargePeek;
PVOID AweInfo;
SE_AUDIT_PROCESS_CREATION_INFO SeAuditProcessCreationInfo;
MMSUPPORT_XP Vm;
ULONG LastFaultCount;
ULONG ModifiedPageCount;
ULONG NumberOfVads;
ULONG JobStatus;
union
{
ULONG Flags;
struct
{
ULONG CreateReported : 1;
ULONG NoDebugInherit : 1;
ULONG ProcessExiting : 1;
ULONG ProcessDelete : 1;
ULONG Wow64SplitPages : 1;
ULONG VmDeleted : 1;
ULONG OutswapEnabled : 1;
ULONG Outswapped : 1;
ULONG ForkFailed : 1;
ULONG HasPhysicalVad : 1;
ULONG AddressSpaceInitialized : 2;
ULONG SetTimerResolution : 1;
ULONG BreakOnTermination : 1;
ULONG SessionCreationUnderway : 1;
ULONG WriteWatch : 1;
ULONG ProcessInSession : 1;
ULONG OverrideAddressSpace : 1;
ULONG HasAddressSpace : 1;
ULONG LaunchPrefetched : 1;
ULONG InjectInpageErrors : 1;
ULONG Unused : 11;
};
};
NTSTATUS ExitStatus;
USHORT NextPageColor;
union
{
struct
{
UCHAR SubSystemMinorVersion;
UCHAR SubSystemMajorVersion;
};
USHORT SubSystemVersion;
};
UCHAR PriorityClass;
BOOLEAN WorkingSetAcquiredUnsafe;
} EPROCESS_XP, *PEPROCESS_XP;

typedef struct _EPROCESS_2K3
{
/*+0x000*/ KPROCESS_2K3 Pcb;
/*+0x06c*/ EX_PUSH_LOCK ProcessLock;
/*+0x070*/ LARGE_INTEGER CreateTime;
/*+0x078*/ LARGE_INTEGER ExitTime;
/*+0x080*/ EX_RUNDOWN_REF RundownProtect;
/*+0x084*/ PVOID UniqueProcessId;
/*+0x088*/ LIST_ENTRY ActiveProcessLinks;
/*+0x090*/ ULONG QuotaUsage[3];
/*+0x09c*/ ULONG QuotaPeak[3];
/*+0x0a8*/ ULONG CommitCharge;
/*+0x0ac*/ ULONG PeakVirtualSize;
/*+0x0b0*/ ULONG VirtualSize;
/*+0x0b4*/ LIST_ENTRY SessionProcessLinks;
/*+0x0bc*/ PVOID DebugPort;
/*+0x0c0*/ PVOID ExceptionPort;
/*+0x0c4*/ PHANDLE_TABLE ObjectTable;
/*+0x0c8*/ EX_FAST_REF Token;
/*+0x0cc*/ ULONG WorkingSetPage;
/*+0x0d0*/ KGUARDED_MUTEX AddressCreationLock;
/*+0x0f0*/ KSPIN_LOCK HyperSpaceLock;
/*+0x0f4*/ PETHREAD_2K3 ForkInProgress;
/*+0x0f8*/ ULONG HardwareTrigger;
/*+0x0fc*/ PMM_AVL_TABLE PhysicalVadRoot;
/*+0x100*/ PVOID CloneRoot;
/*+0x104*/ ULONG NumberOfPrivatePages;
/*+0x108*/ ULONG NumberOfLockedPages;
/*+0x10c*/ PVOID Win32Process;
/*+0x110*/ PEJOB Job;
/*+0x114*/ PSECTION_OBJECT SectionObject;
/*+0x118*/ PVOID SectionBaseAddress;
/*+0x11c*/ PEPROCESS_QUOTA_BLOCK QuotaBlock;
/*+0x120*/ PPAGEFAULT_HISTORY WorkingSetWatch;
/*+0x124*/ PVOID Win32WindowStation;
/*+0x128*/ PVOID InheritedFromUniqueProcessId;
/*+0x12c*/ PVOID LdtInformation;
/*+0x130*/ PVOID VadFreeHint;
/*+0x134*/ PVOID VdmObjects;
/*+0x138*/ PVOID DeviceMap;
/*+0x13c*/ PVOID Spare0[3];
union {
/*+0x148*/HARDWARE_PTE PageDirectoryPte;
/*+0x148*/ULONGLONG Filler;
};
/*+0x150*/ PVOID Session;
/*+0x154*/ UCHAR ImageFileName[16];
/*+0x164*/ LIST_ENTRY JobLinks;
/*+0x16c*/ PVOID LockedPagesList;
/*+0x170*/ LIST_ENTRY ThreadListHead;
/*+0x178*/ PVOID SecurityPort;
/*+0x17c*/ PVOID PaeTop;
/*+0x180*/ ULONG ActiveThreads;
/*+0x184*/ ULONG GrantedAccess;
/*+0x188*/ ULONG DefaultHardErrorProcessing;
/*+0x18c*/ NTSTATUS LastThreadExitStatus;
/*+0x190*/ PPEB Peb;
/*+0x194*/ EX_FAST_REF PrefetchTrace;
/*+0x198*/ LARGE_INTEGER ReadOperationCount;
/*+0x1a0*/ LARGE_INTEGER WriteOperationCount;
/*+0x1a8*/ LARGE_INTEGER OtherOperationCount;
/*+0x1b0*/ LARGE_INTEGER ReadTransferCount;
/*+0x1b8*/ LARGE_INTEGER WriteTransferCount;
/*+0x1c0*/ LARGE_INTEGER OtherTransferCount;
/*+0x1c8*/ ULONG CommitChargeLimit;
/*+0x1cc*/ ULONG CommitChargePeak;
/*+0x1d0*/ PVOID AweInfo;
/*+0x1d4*/ SE_AUDIT_PROCESS_CREATION_INFO SeAuditProcessCreationInfo;
/*+0x1d8*/ MMSUPPORT_2K3 Vm;
/*+0x238*/ LIST_ENTRY MmProcessLinks;
/*+0x240*/ ULONG ModifiedPageCount;
/*+0x244*/ ULONG JobStatus;
union{
/*+0x248*/ ULONG Flags;
struct{
/*+0x248*/ ULONG CreateReported : 1;
/*+0x248*/ ULONG NoDebugInherit : 1;
/*+0x248*/ ULONG ProcessExiting : 1;
/*+0x248*/ ULONG ProcessDelete : 1;
/*+0x248*/ ULONG Wow64SplitPages : 1;
/*+0x248*/ ULONG VmDeleted : 1;
/*+0x248*/ ULONG OutswapEnabled : 1;
/*+0x248*/ ULONG Outswapped : 1;
/*+0x248*/ ULONG ForkFailed : 1;
/*+0x248*/ ULONG Wow64VaSpace4Gb : 1;
/*+0x248*/ ULONG AddressSpaceInitialized :2;
/*+0x248*/ ULONG SetTimerResolution : 1;
/*+0x248*/ ULONG BreakOnTermination : 1;
/*+0x248*/ ULONG SessionCreationUnderway :1;
/*+0x248*/ ULONG WriteWatch : 1;
/*+0x248*/ ULONG ProcessInSession : 1;
/*+0x248*/ ULONG OverrideAddressSpace : 1;
/*+0x248*/ ULONG HasAddressSpace : 1;
/*+0x248*/ ULONG LaunchPrefetched : 1;
/*+0x248*/ ULONG InjectInpageErrors : 1;
/*+0x248*/ ULONG VmTopDown : 1;
/*+0x248*/ ULONG ImageNotifyDone : 1;
/*+0x248*/ ULONG PdeUpdateNeeded : 1;
/*+0x248*/ ULONG VdmAllowed : 1;
/*+0x248*/ ULONG Unused : 7;
};
};
/*+0x24c*/ NTSTATUS ExitStatus;
/*+0x250*/ USHORT NextPageColor;
union {
struct {
/*+0x252*/ UCHAR SubSystemMinorVersion;
/*+0x253*/ UCHAR SubSystemMajorVersion;
};
/*+0x252*/ USHORT SubSystemVersion;
};

/*+0x254*/ UCHAR PriorityClass;
/*+0x258*/ MM_AVL_TABLE VadRoot;
} EPROCESS_2K3, *PEPROCESS_2K3;