Trap_Frame结构体
KPCR结构体
nt!_KPCR
+0x000 NtTib : _NT_TIB
+0x01c SelfPcr : Ptr32 _KPCR
+0x020 Prcb : Ptr32 _KPRCB
+0x024 Irql : UChar
+0x028 IRR : Uint4B
+0x02c IrrActive : Uint4B
+0x030 IDR : Uint4B
+0x034 KdVersionBlock : Ptr32 Void
+0x038 IDT : Ptr32 _KIDTENTRY
+0x03c GDT : Ptr32 _KGDTENTRY
+0x040 TSS : Ptr32 _KTSS
+0x044 MajorVersion : Uint2B
+0x046 MinorVersion : Uint2B
+0x048 SetMember : Uint4B
+0x04c StallScaleFactor : Uint4B
+0x050 DebugActive : UChar
+0x051 Number : UChar
+0x052 Spare0 : UChar
+0x053 SecondLevelCacheAssociativity : UChar
+0x054 VdmAlert : Uint4B
+0x058 KernelReserved : [14] Uint4B
+0x090 SecondLevelCacheSize : Uint4B
+0x094 HalReserved : [16] Uint4B
+0x0d4 InterruptMode : Uint4B
+0x0d8 Spare1 : UChar
+0x0dc KernelReserved2 : [17] Uint4B
+0x120 PrcbData : _KPRCB
- 在KPCR结构体中偏移1c是指向自己的一个指针
- NtTib则是另一个结构体_NT_TIB
- 在偏移0x50的位置则是调试状态，1为调试0为没调试
- 偏移0x120则是PrcbData是KPRCB结构体，下面分别来讲一下
_NT_TIB结构体
ntdll!_NT_TIB
+0x000 ExceptionList : Ptr32 _EXCEPTION_REGISTRATION_RECORD
+0x004 StackBase : Ptr32 Void
+0x008 StackLimit : Ptr32 Void
+0x00c SubSystemTib : Ptr32 Void
+0x010 FiberData : Ptr32 Void
+0x010 Version : Uint4B
+0x014 ArbitraryUserPointer : Ptr32 Void
+0x018 Self : Ptr32 _NT_TIB
- 成员ExceptionList存储着异常链表，里面存储着异常函数
- Self指向自己
_KPRCB结构体
ntdll!_KPRCB
+0x000 MinorVersion : Uint2B
+0x002 MajorVersion : Uint2B
+0x004 CurrentThread : Ptr32 _KTHREAD
+0x008 NextThread : Ptr32 _KTHREAD
+0x00c IdleThread : Ptr32 _KTHREAD
+0x010 Number : Char
+0x011 Reserved : Char
+0x012 BuildType : Uint2B
+0x014 SetMember : Uint4B
+0x018 CpuType : Char
+0x019 CpuID : Char
+0x01a CpuStep : Uint2B
+0x01c ProcessorState : _KPROCESSOR_STATE
+0x33c KernelReserved : [16] Uint4B
+0x37c HalReserved : [16] Uint4B
+0x3bc PrcbPad0 : [92] UChar
+0x418 LockQueue : [16] _KSPIN_LOCK_QUEUE
+0x498 PrcbPad1 : [8] UChar
+0x4a0 NpxThread : Ptr32 _KTHREAD
+0x4a4 InterruptCount : Uint4B
+0x4a8 KernelTime : Uint4B
+0x4ac UserTime : Uint4B
+0x4b0 DpcTime : Uint4B
+0x4b4 DebugDpcTime : Uint4B
+0x4b8 InterruptTime : Uint4B
+0x4bc AdjustDpcThreshold : Uint4B
+0x4c0 PageColor : Uint4B
+0x4c4 SkipTick : Uint4B
+0x4c8 MultiThreadSetBusy : UChar
+0x4c9 Spare2 : [3] UChar
+0x4cc ParentNode : Ptr32 _KNODE
+0x4d0 MultiThreadProcessorSet : Uint4B
+0x4d4 MultiThreadSetMaster : Ptr32 _KPRCB
+0x4d8 ThreadStartCount : [2] Uint4B
+0x4e0 CcFastReadNoWait : Uint4B
+0x4e4 CcFastReadWait : Uint4B
+0x4e8 CcFastReadNotPossible : Uint4B
+0x4ec CcCopyReadNoWait : Uint4B
+0x4f0 CcCopyReadWait : Uint4B
+0x4f4 CcCopyReadNoWaitMiss : Uint4B
+0x4f8 KeAlignmentFixupCount : Uint4B
+0x4fc KeContextSwitches : Uint4B
+0x500 KeDcacheFlushCount : Uint4B
+0x504 KeExceptionDispatchCount : Uint4B
+0x508 KeFirstLevelTbFills : Uint4B
+0x50c KeFloatingEmulationCount : Uint4B
+0x510 KeIcacheFlushCount : Uint4B
+0x514 KeSecondLevelTbFills : Uint4B
+0x518 KeSystemCalls : Uint4B
+0x51c SpareCounter0 : [1] Uint4B
+0x520 PPLookasideList : [16] _PP_LOOKASIDE_LIST
+0x5a0 PPNPagedLookasideList : [32] _PP_LOOKASIDE_LIST
+0x6a0 PPPagedLookasideList : [32] _PP_LOOKASIDE_LIST
+0x7a0 PacketBarrier : Uint4B
+0x7a4 ReverseStall : Uint4B
+0x7a8 IpiFrame : Ptr32 Void
+0x7ac PrcbPad2 : [52] UChar
+0x7e0 CurrentPacket : [3] Ptr32 Void
+0x7ec TargetSet : Uint4B
+0x7f0 WorkerRoutine : Ptr32 void
+0x7f4 IpiFrozen : Uint4B
+0x7f8 PrcbPad3 : [40] UChar
+0x820 RequestSummary : Uint4B
+0x824 SignalDone : Ptr32 _KPRCB
+0x828 PrcbPad4 : [56] UChar
+0x860 DpcListHead : _LIST_ENTRY
+0x868 DpcStack : Ptr32 Void
+0x86c DpcCount : Uint4B
+0x870 DpcQueueDepth : Uint4B
+0x874 DpcRoutineActive : Uint4B
+0x878 DpcInterruptRequested : Uint4B
+0x87c DpcLastCount : Uint4B
+0x880 DpcRequestRate : Uint4B
+0x884 MaximumDpcQueueDepth : Uint4B
+0x888 MinimumDpcRate : Uint4B
+0x88c QuantumEnd : Uint4B
+0x890 PrcbPad5 : [16] UChar
+0x8a0 DpcLock : Uint4B
+0x8a4 PrcbPad6 : [28] UChar
+0x8c0 CallDpc : _KDPC
+0x8e0 ChainedInterruptList : Ptr32 Void
+0x8e4 LookasideIrpFloat : Int4B
+0x8e8 SpareFields0 : [6] Uint4B
+0x900 VendorString : [13] UChar
+0x90d InitialApicId : UChar
+0x90e LogicalProcessorsPerPhysicalProcessor : UChar//每个物理处理器有几个逻辑处理器
+0x910 MHz : Uint4B//频率
+0x914 FeatureBits : Uint4B
+0x918 UpdateSignature : _LARGE_INTEGER
+0x920 NpxSaveArea : _FX_SAVE_AREA
+0xb30 PowerState : _PROCESSOR_POWER_STATE
- 偏移0x4 是_ETHREAD结构体，一个cpu一个这个结构体
- 偏移0x8 NextThread：指向下一个_ETHREAD
- 偏移0xc IdleThread：当所有现成都执行完了CPU可以指向这个
- 偏移0x10 Number：CPU编号
- 偏移0x1a CpuStep：CPU子版本号
- 偏移0x1c ProcessorState：CPU状态
- 偏移0x4a0 NpxThread：Npx浮点处理器 最后一次用过浮点的线程
- 偏移0x4a4 InterruptCount：中断计数 统计信息 没什么实际意义 自己调试用的
- 偏移0x4a8 KernelTime：统计信息
- 偏移0x4ac UserTime：统计信息
- 偏移0x4b0 DpcTime：统计信息
- 偏移0x4b4 DebugTime：统计信息
- 偏移0x4b8 InterruptTime：统计信息
- 偏移0x90e LogicalProcessorsPerPhysicalProcessor：每个处理器有几个逻辑处理器
- 偏移0x910 MHz：频率
ETHREAD结构体
nt!_ETHREAD
+0x000 Tcb : _KTHREAD
+0x1c0 CreateTime : _LARGE_INTEGER
+0x1c0 NestedFaultCount : Pos 0, 2 Bits
+0x1c0 ApcNeeded : Pos 2, 1 Bit
+0x1c8 ExitTime : _LARGE_INTEGER
+0x1c8 LpcReplyChain : _LIST_ENTRY
+0x1c8 KeyedWaitChain : _LIST_ENTRY
+0x1d0 ExitStatus : Int4B
+0x1d0 OfsChain : Ptr32 Void
+0x1d4 PostBlockList : _LIST_ENTRY
+0x1dc TerminationPort : Ptr32 _TERMINATION_PORT
+0x1dc ReaperLink : Ptr32 _ETHREAD
+0x1dc KeyedWaitValue : Ptr32 Void
+0x1e0 ActiveTimerListLock : Uint4B
+0x1e4 ActiveTimerListHead : _LIST_ENTRY
+0x1ec Cid : _CLIENT_ID
+0x1f4 LpcReplySemaphore : _KSEMAPHORE
+0x1f4 KeyedWaitSemaphore : _KSEMAPHORE
+0x208 LpcReplyMessage : Ptr32 Void
+0x208 LpcWaitingOnPort : Ptr32 Void
+0x20c ImpersonationInfo : Ptr32 _PS_IMPERSONATION_INFORMATION
+0x210 IrpList : _LIST_ENTRY
+0x218 TopLevelIrp : Uint4B
+0x21c DeviceToVerify : Ptr32 _DEVICE_OBJECT
+0x220 ThreadsProcess : Ptr32 _EPROCESS
+0x224 StartAddress : Ptr32 Void
+0x228 Win32StartAddress : Ptr32 Void
+0x228 LpcReceivedMessageId : Uint4B
+0x22c ThreadListEntry : _LIST_ENTRY
+0x234 RundownProtect : _EX_RUNDOWN_REF
+0x238 ThreadLock : _EX_PUSH_LOCK
+0x23c LpcReplyMessageId : Uint4B
+0x240 ReadClusterSize : Uint4B
+0x244 GrantedAccess : Uint4B
+0x248 CrossThreadFlags : Uint4B
+0x248 Terminated : Pos 0, 1 Bit
+0x248 DeadThread : Pos 1, 1 Bit
+0x248 HideFromDebugger : Pos 2, 1 Bit
+0x248 ActiveImpersonationInfo : Pos 3, 1 Bit
+0x248 SystemThread : Pos 4, 1 Bit
+0x248 HardErrorsAreDisabled : Pos 5, 1 Bit
+0x248 BreakOnTermination : Pos 6, 1 Bit
+0x248 SkipCreationMsg : Pos 7, 1 Bit
+0x248 SkipTerminationMsg : Pos 8, 1 Bit
+0x24c SameThreadPassiveFlags : Uint4B
+0x24c ActiveExWorker : Pos 0, 1 Bit
+0x24c ExWorkerCanWaitUser : Pos 1, 1 Bit
+0x24c MemoryMaker : Pos 2, 1 Bit
+0x250 SameThreadApcFlags : Uint4B
+0x250 LpcReceivedMsgIdValid : Pos 0, 1 Bit
+0x250 LpcExitThreadCalled : Pos 1, 1 Bit
+0x250 AddressSpaceOwner : Pos 2, 1 Bit
+0x254 ForwardClusterOnly : UChar
+0x255 DisablePageFaultClustering : UChar
+0x258 KernelStackReference : Uint4B
- 偏移0x00 Tcb：本身就是一个结构体_KTHREAD
_KTHREAD结构体
nt!_KTHREAD
+0x000 Header : _DISPATCHER_HEADER
+0x010 MutantListHead : _LIST_ENTRY
+0x018 InitialStack : Ptr32 Void
+0x01c StackLimit : Ptr32 Void
+0x020 Teb : Ptr32 Void
+0x024 TlsArray : Ptr32 Void
+0x028 KernelStack : Ptr32 Void
+0x02c DebugActive : UChar
+0x02d State : UChar
+0x02e Alerted : [2] UChar
+0x030 Iopl : UChar
+0x031 NpxState : UChar
+0x032 Saturation : Char
+0x033 Priority : Char
+0x034 ApcState : _KAPC_STATE
+0x04c ContextSwitches : Uint4B
+0x050 IdleSwapBlock : UChar
+0x051 VdmSafe : UChar
+0x052 Spare0 : [2] UChar
+0x054 WaitStatus : Int4B
+0x058 WaitIrql : UChar
+0x059 WaitMode : Char
+0x05a WaitNext : UChar
+0x05b WaitReason : UChar
+0x05c WaitBlockList : Ptr32 _KWAIT_BLOCK
+0x060 WaitListEntry : _LIST_ENTRY
+0x060 SwapListEntry : _SINGLE_LIST_ENTRY
+0x068 WaitTime : Uint4B
+0x06c BasePriority : Char
+0x06d DecrementCount : UChar
+0x06e PriorityDecrement : Char
+0x06f Quantum : Char
+0x070 WaitBlock : [4] _KWAIT_BLOCK
+0x0d0 LegoData : Ptr32 Void
+0x0d4 KernelApcDisable : Uint4B
+0x0d8 UserAffinity : Uint4B
+0x0dc SystemAffinityActive : UChar
+0x0dd PowerState : UChar
+0x0de NpxIrql : UChar
+0x0df InitialNode : UChar
+0x0e0 ServiceTable : Ptr32 Void ;系统服务表
+0x0e4 Queue : Ptr32 _KQUEUE
+0x0e8 ApcQueueLock : Uint4B
+0x0f0 Timer : _KTIMER
+0x118 QueueListEntry : _LIST_ENTRY
+0x120 SoftAffinity : Uint4B
+0x124 Affinity : Uint4B
+0x128 Preempted : UChar
+0x129 ProcessReadyQueue : UChar
+0x12a KernelStackResident : UChar
+0x12b NextProcessor : UChar
+0x12c CallbackStack : Ptr32 Void
+0x130 Win32Thread : Ptr32 Void
+0x134 TrapFrame : Ptr32 _KTRAP_FRAME
+0x138 ApcStatePointer : [2] Ptr32 _KAPC_STATE
+0x140 PreviousMode : Char
+0x141 EnableStackSwap : UChar
+0x142 LargeStack : UChar
+0x143 ResourceIndex : UChar
+0x144 KernelTime : Uint4B
+0x148 UserTime : Uint4B
+0x14c SavedApcState : _KAPC_STATE
+0x164 Alertable : UChar
+0x165 ApcStateIndex : UChar
+0x166 ApcQueueable : UChar
+0x167 AutoAlignment : UChar
+0x168 StackBase : Ptr32 Void
+0x16c SuspendApc : _KAPC
+0x19c SuspendSemaphore : _KSEMAPHORE
+0x1b0 ThreadListEntry : _LIST_ENTRY
+0x1b8 FreezeCount : Char
+0x1b9 SuspendCount : Char
+0x1ba IdealProcessor : UChar
+0x1bb DisableBoost : UChar
函数进0环
- 通常在函数进0环的时候，会将信息保存在一个结构体中，就是Trap_Frame结构体
- 首先它会先填写0x78偏移，再依次往上慢慢填入，而其中一开始我们做中断门的实验中ss、esp、eflag、cs、eip正好是需要保存的
- Windows中非易失性寄存器也需要存储在栈中
- Trap_Frame结构体不是由CPU填充而是由操作系统填充
练习
- 存在_Trap_Frame结构体中
- 通过edx存储，因为在进入之前会有mov edx,esp这个命令
- 无
- 无