进程

进程结构

PEB 3环下

typedef struct _PEB {
  BYTE                          Reserved1[2];
  BYTE                          BeingDebugged;
  BYTE                          Reserved2[1];
  PVOID                         Reserved3[2];
  PPEB_LDR_DATA                 Ldr;
  PRTL_USER_PROCESS_PARAMETERS  ProcessParameters;
  PVOID                         Reserved4[3];
  PVOID                         AtlThunkSListPtr;
  PVOID                         Reserved5;
  ULONG                         Reserved6;
  PVOID                         Reserved7;
  ULONG                         Reserved8;
  ULONG                         AtlThunkSListPtr32;
  PVOID                         Reserved9[45];
  BYTE                          Reserved10[96];
  PPS_POST_PROCESS_INIT_ROUTINE PostProcessInitRoutine;
  BYTE                          Reserved11[128];
  PVOID                         Reserved12[1];
  ULONG                         SessionId;
} PEB, *PPEB;

3环下

创建进程

BOOL CreateProcessR(const char* szExePath)
{
	SECURITY_ATTRIBUTES pes = { 0 };
	SECURITY_ATTRIBUTES tes = { 0 };
	STARTUPINFO si = { sizeof(si) };
	PROCESS_INFORMATION pi;
	BOOL bRet =CreateProcess(szExePath, NULL, &pes, &tes, FALSE, 0, NULL, NULL, &si, &pi);
	TerminateProcess(pi.hProcess,0);
	return bRet;
}

// 调用
CreateProcessR(EXE_PATH);

遍历进程

bool ProcessShow()
{
	PROCESSENTRY32 pe32 = { 0 };
	pe32.dwSize = sizeof(PROCESSENTRY32);
	HANDLE hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
	if (hSnapShot == INVALID_HANDLE_VALUE)
	{
		printf("CreateToolhelp32Snapshot Error");
		return false;
	}
	BOOL bRet = Process32First(hSnapShot, &pe32);
	do
	{
		printf("Process Name:%s\n", pe32.szExeFile);
		printf("Process ID:%d\n", pe32.th32ProcessID);
	} while (Process32Next(hSnapShot, &pe32));
	CloseHandle(hSnapShot);
}

读写数据

DWORD dwNumber = 1234;
DWORD dwTemp = 0;
DWORD dwNumber1 = 2345;
SIZE_T sRetNumber = 0;
ReadProcessMemory(GetCurrentProcess(), &dwNumber, &dwTemp, sizeof(DWORD),&sRetNumber);
WriteProcessMemory(GetCurrentProcess(), &dwNumber, &dwNumber1, sizeof(DWORD), &sRetNumber);

EPROCESS 0环下

• KPROCESS 内核进程块

kd> dt _eprocess
nt!_EPROCESS
   +0x000 Pcb              : _KPROCESS
   +0x098 ProcessLock      : _EX_PUSH_LOCK
   +0x0a0 CreateTime       : _LARGE_INTEGER
   +0x0a8 ExitTime         : _LARGE_INTEGER
   +0x0b0 RundownProtect   : _EX_RUNDOWN_REF
   +0x0b4 UniqueProcessId  : Ptr32 Void
   +0x0b8 ActiveProcessLinks : _LIST_ENTRY
   +0x0c0 ProcessQuotaUsage : [2] Uint4B
   +0x0c8 ProcessQuotaPeak : [2] Uint4B
   +0x0d0 CommitCharge     : Uint4B
   +0x0d4 QuotaBlock       : Ptr32 _EPROCESS_QUOTA_BLOCK
   +0x0d8 CpuQuotaBlock    : Ptr32 _PS_CPU_QUOTA_BLOCK
   +0x0dc PeakVirtualSize  : Uint4B
   +0x0e0 VirtualSize      : Uint4B
   +0x0e4 SessionProcessLinks : _LIST_ENTRY
   +0x0ec DebugPort        : Ptr32 Void
   +0x0f0 ExceptionPortData : Ptr32 Void
   +0x0f0 ExceptionPortValue : Uint4B
   +0x0f0 ExceptionPortState : Pos 0, 3 Bits
   +0x0f4 ObjectTable      : Ptr32 _HANDLE_TABLE
   +0x0f8 Token            : _EX_FAST_REF
   +0x0fc WorkingSetPage   : Uint4B
   +0x100 AddressCreationLock : _EX_PUSH_LOCK
   +0x104 RotateInProgress : Ptr32 _ETHREAD
   +0x108 ForkInProgress   : Ptr32 _ETHREAD
   +0x10c HardwareTrigger  : Uint4B
   +0x110 PhysicalVadRoot  : Ptr32 _MM_AVL_TABLE
   +0x114 CloneRoot        : Ptr32 Void
   +0x118 NumberOfPrivatePages : Uint4B
   +0x11c NumberOfLockedPages : Uint4B
   +0x120 Win32Process     : Ptr32 Void
   +0x124 Job              : Ptr32 _EJOB
   +0x128 SectionObject    : Ptr32 Void
   +0x12c SectionBaseAddress : Ptr32 Void
   +0x130 Cookie           : Uint4B
   +0x134 Spare8           : Uint4B
   +0x138 WorkingSetWatch  : Ptr32 _PAGEFAULT_HISTORY
   +0x13c Win32WindowStation : Ptr32 Void
   +0x140 InheritedFromUniqueProcessId : Ptr32 Void
   +0x144 LdtInformation   : Ptr32 Void
   +0x148 VdmObjects       : Ptr32 Void
   +0x14c ConsoleHostProcess : Uint4B
   +0x150 DeviceMap        : Ptr32 Void
   +0x154 EtwDataSource    : Ptr32 Void
   +0x158 FreeTebHint      : Ptr32 Void
   +0x160 PageDirectoryPte : _HARDWARE_PTE
   +0x160 Filler           : Uint8B
   +0x168 Session          : Ptr32 Void
   +0x16c ImageFileName    : [15] UChar
   +0x17b PriorityClass    : UChar
   +0x17c JobLinks         : _LIST_ENTRY
   +0x184 LockedPagesList  : Ptr32 Void
   +0x188 ThreadListHead   : _LIST_ENTRY
   +0x190 SecurityPort     : Ptr32 Void
   +0x194 PaeTop           : Ptr32 Void
   +0x198 ActiveThreads    : Uint4B
   +0x19c ImagePathHash    : Uint4B
   +0x1a0 DefaultHardErrorProcessing : Uint4B
   +0x1a4 LastThreadExitStatus : Int4B
   +0x1a8 Peb              : Ptr32 _PEB
   +0x1ac PrefetchTrace    : _EX_FAST_REF
   +0x1b0 ReadOperationCount : _LARGE_INTEGER
   +0x1b8 WriteOperationCount : _LARGE_INTEGER
   +0x1c0 OtherOperationCount : _LARGE_INTEGER
   +0x1c8 ReadTransferCount : _LARGE_INTEGER
   +0x1d0 WriteTransferCount : _LARGE_INTEGER
   +0x1d8 OtherTransferCount : _LARGE_INTEGER
   +0x1e0 CommitChargeLimit : Uint4B
   +0x1e4 CommitChargePeak : Uint4B
   +0x1e8 AweInfo          : Ptr32 Void
   +0x1ec SeAuditProcessCreationInfo : _SE_AUDIT_PROCESS_CREATION_INFO
   +0x1f0 Vm               : _MMSUPPORT
   +0x25c MmProcessLinks   : _LIST_ENTRY
   +0x264 HighestUserAddress : Ptr32 Void
   +0x268 ModifiedPageCount : Uint4B
   +0x26c Flags2           : Uint4B
   +0x26c JobNotReallyActive : Pos 0, 1 Bit
   +0x26c AccountingFolded : Pos 1, 1 Bit
   +0x26c NewProcessReported : Pos 2, 1 Bit
   +0x26c ExitProcessReported : Pos 3, 1 Bit
   +0x26c ReportCommitChanges : Pos 4, 1 Bit
   +0x26c LastReportMemory : Pos 5, 1 Bit
   +0x26c ReportPhysicalPageChanges : Pos 6, 1 Bit
   +0x26c HandleTableRundown : Pos 7, 1 Bit
   +0x26c NeedsHandleRundown : Pos 8, 1 Bit
   +0x26c RefTraceEnabled  : Pos 9, 1 Bit
   +0x26c NumaAware        : Pos 10, 1 Bit
   +0x26c ProtectedProcess : Pos 11, 1 Bit
   +0x26c DefaultPagePriority : Pos 12, 3 Bits
   +0x26c PrimaryTokenFrozen : Pos 15, 1 Bit
   +0x26c ProcessVerifierTarget : Pos 16, 1 Bit
   +0x26c StackRandomizationDisabled : Pos 17, 1 Bit
   +0x26c AffinityPermanent : Pos 18, 1 Bit
   +0x26c AffinityUpdateEnable : Pos 19, 1 Bit
   +0x26c PropagateNode    : Pos 20, 1 Bit
   +0x26c ExplicitAffinity : Pos 21, 1 Bit
   +0x270 Flags            : Uint4B
   +0x270 CreateReported   : Pos 0, 1 Bit
   +0x270 NoDebugInherit   : Pos 1, 1 Bit
   +0x270 ProcessExiting   : Pos 2, 1 Bit
   +0x270 ProcessDelete    : Pos 3, 1 Bit
   +0x270 Wow64SplitPages  : Pos 4, 1 Bit
   +0x270 VmDeleted        : Pos 5, 1 Bit
   +0x270 OutswapEnabled   : Pos 6, 1 Bit
   +0x270 Outswapped       : Pos 7, 1 Bit
   +0x270 ForkFailed       : Pos 8, 1 Bit
   +0x270 Wow64VaSpace4Gb  : Pos 9, 1 Bit
   +0x270 AddressSpaceInitialized : Pos 10, 2 Bits
   +0x270 SetTimerResolution : Pos 12, 1 Bit
   +0x270 BreakOnTermination : Pos 13, 1 Bit
   +0x270 DeprioritizeViews : Pos 14, 1 Bit
   +0x270 WriteWatch       : Pos 15, 1 Bit
   +0x270 ProcessInSession : Pos 16, 1 Bit
   +0x270 OverrideAddressSpace : Pos 17, 1 Bit
   +0x270 HasAddressSpace  : Pos 18, 1 Bit
   +0x270 LaunchPrefetched : Pos 19, 1 Bit
   +0x270 InjectInpageErrors : Pos 20, 1 Bit
   +0x270 VmTopDown        : Pos 21, 1 Bit
   +0x270 ImageNotifyDone  : Pos 22, 1 Bit
   +0x270 PdeUpdateNeeded  : Pos 23, 1 Bit
   +0x270 VdmAllowed       : Pos 24, 1 Bit
   +0x270 CrossSessionCreate : Pos 25, 1 Bit
   +0x270 ProcessInserted  : Pos 26, 1 Bit
   +0x270 DefaultIoPriority : Pos 27, 3 Bits
   +0x270 ProcessSelfDelete : Pos 30, 1 Bit
   +0x270 SetTimerResolutionLink : Pos 31, 1 Bit
   +0x274 ExitStatus       : Int4B
   +0x278 VadRoot          : _MM_AVL_TABLE
   +0x298 AlpcContext      : _ALPC_PROCESS_CONTEXT
   +0x2a8 TimerResolutionLink : _LIST_ENTRY
   +0x2b0 RequestedTimerResolution : Uint4B
   +0x2b4 ActiveThreadsHighWatermark : Uint4B
   +0x2b8 SmallestTimerResolution : Uint4B
   +0x2bc TimerResolutionStackRecord : Ptr32 _PO_DIAG_STACK_RECORD

kd> dt _KPROCESS
nt!_KPROCESS
   +0x000 Header           : _DISPATCHER_HEADER
   +0x010 ProfileListHead  : _LIST_ENTRY
   +0x018 DirectoryTableBase : Uint4B
   +0x01c LdtDescriptor    : _KGDTENTRY
   +0x024 Int21Descriptor  : _KIDTENTRY
   +0x02c ThreadListHead   : _LIST_ENTRY
   +0x034 ProcessLock      : Uint4B
   +0x038 Affinity         : _KAFFINITY_EX
   +0x044 ReadyListHead    : _LIST_ENTRY
   +0x04c SwapListEntry    : _SINGLE_LIST_ENTRY
   +0x050 ActiveProcessors : _KAFFINITY_EX
   +0x05c AutoAlignment    : Pos 0, 1 Bit
   +0x05c DisableBoost     : Pos 1, 1 Bit
   +0x05c DisableQuantum   : Pos 2, 1 Bit
   +0x05c ActiveGroupsMask : Pos 3, 1 Bit
   +0x05c ReservedFlags    : Pos 4, 28 Bits
   +0x05c ProcessFlags     : Int4B
   +0x060 BasePriority     : Char
   +0x061 QuantumReset     : Char
   +0x062 Visited          : UChar
   +0x063 Unused3          : UChar
   +0x064 ThreadSeed       : [1] Uint4B
   +0x068 IdealNode        : [1] Uint2B
   +0x06a IdealGlobalNode  : Uint2B
   +0x06c Flags            : _KEXECUTE_OPTIONS
   +0x06d Unused1          : UChar
   +0x06e IopmOffset       : Uint2B
   +0x070 Unused4          : Uint4B
   +0x074 StackCount       : _KSTACK_COUNT
   +0x078 ProcessListEntry : _LIST_ENTRY
   +0x080 CycleTime        : Uint8B
   +0x088 KernelTime       : Uint4B
   +0x08c UserTime         : Uint4B
   +0x090 VdmTrapcHandler  : Ptr32 Void

在驱动中编写遍历进程函数

VOID ShowProcess()
{
	DWORD_PTR pEprocess = NULL;
	ULONG ulProcessId = 0;
	ULONG ulProcessName = 0;
	pEprocess = (DWORD_PTR)PsGetCurrentProcess();
	PLIST_ENTRY ActiveProcessLinks = (pEprocess + 0xb8);
	PLIST_ENTRY NextList = ActiveProcessLinks->Flink;
	while (NextList->Flink!=ActiveProcessLinks->Flink)
	{
		pEprocess = ((DWORD_PTR)NextList - 0xb8);
		ulProcessId = *((ULONG*)(pEprocess + 0xb4));
		ulProcessName = (ULONG)(pEprocess + 0x16C);
		DbgPrint("ProcessId = %d\r\nProcessName = %s",ulProcessId,ulProcessName);
		NextList = NextList->Flink;
	}
}

保护进程(三环禁止访问)，将0x26C区的11位置为1即可

*((ULONG*)(pEprocess + 0x26C))=*((ULONG*)(pEprocess + 0x26C))|0x800;

杀死进程

原理：在内存写入垃圾数据导致进程崩溃

NTSTATUS KillProcess(ULONG ulPid)
{
	NTSTATUS ntStatus = STATUS_UNSUCCESSFUL;
	PEPROCESS pEprocess = NULL;
	ntStatus = PsLookupProcessByProcessId(ulPid, &pEprocess);
	if (NT_SUCCESS(ntStatus))
	{
		KeAttachProcess(pEprocess);
		for (int i = 0; i < 0x10000000; i += 0x1000)
		{
			if(MmIsAddressValid((PVOID)i))
				__try {
				ProbeForWrite(((PVOID)i), 0x1000, sizeof(ULONG));
				memset(((PVOID)i), 0xcc, 0x1000);
			}
			__except (1) {
				continue;
			}
		}
        KeDetachProcess();
		return TRUE;
	}
	return ntStatus;
}