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  • 进程枚举

    一、Ring3层方法总结

    　　1）利用Createtoolhelp32Snapshot

    　　　　Createtoolhelp32Snapshot会返回当前进程的进程快照句柄  通过 Process32First 和 Process32Next枚举进程

     1 #include "stdafx.h"
 2 #include <Windows.h>
 3 #include <tlhelp32.h>
 4 
 5 int main()
 6 {
 7     //创建快照句柄，CreateToolhelp32Snapshot（）函数返回当前运行的进程快照句柄
 8     HANDLE ToolHelpHandle = NULL;
 9 
10     //PROCESSENTRY32结构体记录当前进程的一些信息，其中dwSize必须指定大小，大小为当前结构体大小
11     PROCESSENTRY32 ProcessEntry32 = { 0 };
12     ProcessEntry32.dwSize = sizeof(PROCESSENTRY32);
13     
14     ToolHelpHandle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
15     if (ToolHelpHandle == INVALID_HANDLE_VALUE)
16     {
17         return FALSE;
18     }
19     
20     BOOL bOk = Process32First(ToolHelpHandle, &ProcessEntry32);
21     while (bOk)
22     {
23         printf("PID:	0x%X,", ProcessEntry32.th32ProcessID);
24         printf("	Name:	%S
", ProcessEntry32.szExeFile);
25         bOk = Process32Next(ToolHelpHandle, &ProcessEntry32);
26     }
27 
28     CloseHandle(ToolHelpHandle);
29     ToolHelpHandle = INVALID_HANDLE_VALUE;
30     return 0;
31 }
    View Code

    　　2）通过Psapi.dll提供的API函数实现 利用EnumProcessModules

     1 #include "stdafx.h"
 2 #include <Windows.h>
 3 #include <Psapi.h>
 4 
 5 #define MAXPROCESSES 1024
 6 
 7 void PrintProcessNameAndID(DWORD ProcessID);
 8 int main()
 9 {
10     // 定义参数，EnumProcesses有三参数，接收进程标示符的数组，数组大小，数组返回字节数（真实接收数组的大小）
11 
12     DWORD Processes[MAXPROCESSES], Size, ProcessesNumber;
13 
14     if (!EnumProcesses(Processes, sizeof(Processes), &Size))
15     {
16         return 1;
17     }
18 
19 
20     //计算进程总数
21 
22     ProcessesNumber = Size / sizeof(DWORD);
23 
24     //打印各个进程
25 
26     for (int i = 0; i < ProcessesNumber; i++)
27     {
28         if (Processes[i] != 0)
29         {
30             PrintProcessNameAndID(Processes[i]);
31         }
32     }
33     return 0;
34 }
35 
36 void PrintProcessNameAndID(DWORD ProcessID)
37 {
38     WCHAR wzProcessName[MAX_PATH] = L"<unknown>";
39 
40     //获得进程句柄
41     HANDLE ProcessHandle = OpenProcess(PROCESS_QUERY_INFORMATION |
42         PROCESS_VM_READ,
43         FALSE, ProcessID);
44 
45     //获得进程名称
46     if (NULL != ProcessHandle)
47     {
48         HMODULE hMod;
49         DWORD ReturnLength;
50 
51         if (EnumProcessModules(ProcessHandle, &hMod, sizeof(hMod),
52             &ReturnLength))
53         {
54             GetModuleBaseName(ProcessHandle, hMod, wzProcessName,
55                 sizeof(wzProcessName) / sizeof(WCHAR));
56         }
57     }
58 
59     printf("PID:	0x%X,	Name:	%S
",ProcessID,wzProcessName);
60 
61     //关闭进程句柄
62     CloseHandle(ProcessHandle);
63 }
    View Code

    　　3）利用ZwQuerySystemInformation

      1 #include "stdafx.h"
  2 #include <Windows.h>
  3 #include <ntsecapi.h> 
  4 
  5 #define STATUS_INFO_LENGTH_MISMATCH    ((NTSTATUS)0xC0000004L)
  6 #define NT_SUCCESS(x) ((x) >= 0)
  7 
  8 // 结构体定义  
  9 typedef struct _SYSTEM_PROCESS_INFORMATION {
 10     ULONG                   NextEntryOffset;
 11     ULONG                   NumberOfThreads;
 12     LARGE_INTEGER           Reserved[3];
 13     LARGE_INTEGER           CreateTime;
 14     LARGE_INTEGER           UserTime;
 15     LARGE_INTEGER           KernelTime;
 16     UNICODE_STRING          ImageName;
 17     DWORD                    BasePriority;
 18     HANDLE                  ProcessId;
 19     HANDLE                  InheritedFromProcessId;
 20     ULONG                   HandleCount;
 21     ULONG                   Reserved2[2];
 22     ULONG                   PrivatePageCount;
 23     DWORD                    VirtualMemoryCounters;
 24     IO_COUNTERS             IoCounters;
 25     PVOID                    Threads[0];
 26 } SYSTEM_PROCESS_INFORMATION, *PSYSTEM_PROCESS_INFORMATION;
 27 
 28 typedef enum _SYSTEM_INFORMATION_CLASS {
 29     SystemBasicInformation,
 30     SystemProcessorInformation,
 31     SystemPerformanceInformation,
 32     SystemTimeOfDayInformation,
 33     SystemPathInformation,
 34     SystemProcessInformation,
 35     SystemCallCountInformation,
 36     SystemDeviceInformation,
 37     SystemProcessorPerformanceInformation,
 38     SystemFlagsInformation,
 39     SystemCallTimeInformation,
 40     SystemModuleInformation,
 41     SystemLocksInformation,
 42     SystemStackTraceInformation,
 43     SystemPagedPoolInformation,
 44     SystemNonPagedPoolInformation,
 45     SystemHandleInformation,
 46     SystemObjectInformation,
 47     SystemPageFileInformation,
 48     SystemVdmInstemulInformation,
 49     SystemVdmBopInformation,
 50     SystemFileCacheInformation,
 51     SystemPoolTagInformation,
 52     SystemInterruptInformation,
 53     SystemDpcBehaviorInformation,
 54     SystemFullMemoryInformation,
 55     SystemLoadGdiDriverInformation,
 56     SystemUnloadGdiDriverInformation,
 57     SystemTimeAdjustmentInformation,
 58     SystemSummaryMemoryInformation,
 59     SystemMirrorMemoryInformation,
 60     SystemPerformanceTraceInformation,
 61     SystemObsolete0,
 62     SystemExceptionInformation,
 63     SystemCrashDumpStateInformation,
 64     SystemKernelDebuggerInformation,
 65     SystemContextSwitchInformation,
 66     SystemRegistryQuotaInformation,
 67     SystemExtendServiceTableInformation,
 68     SystemPrioritySeperation,
 69     SystemVerifierAddDriverInformation,
 70     SystemVerifierRemoveDriverInformation,
 71     SystemProcessorIdleInformation,
 72     SystemLegacyDriverInformation,
 73     SystemCurrentTimeZoneInformation,
 74     SystemLookasideInformation,
 75     SystemTimeSlipNotification,
 76     SystemSessionCreate,
 77     SystemSessionDetach,
 78     SystemSessionInformation,
 79     SystemRangeStartInformation,
 80     SystemVerifierInformation,
 81     SystemVerifierThunkExtend,
 82     SystemSessionProcessInformation,
 83     SystemLoadGdiDriverInSystemSpace,
 84     SystemNumaProcessorMap,
 85     SystemPrefetcherInformation,
 86     SystemExtendedProcessInformation,
 87     SystemRecommendedSharedDataAlignment,
 88     SystemComPlusPackage,
 89     SystemNumaAvailableMemory,
 90     SystemProcessorPowerInformation,
 91     SystemEmulationBasicInformation,
 92     SystemEmulationProcessorInformation,
 93     SystemExtendedHandleInformation,
 94     SystemLostDelayedWriteInformation,
 95     SystemBigPoolInformation,
 96     SystemSessionPoolTagInformation,
 97     SystemSessionMappedViewInformation,
 98     SystemHotpatchInformation,
 99     SystemObjectSecurityMode,
100     SystemWatchdogTimerHandler,
101     SystemWatchdogTimerInformation,
102     SystemLogicalProcessorInformation,
103     SystemWow64SharedInformation,
104     SystemRegisterFirmwareTableInformationHandler,
105     SystemFirmwareTableInformation,
106     SystemModuleInformationEx,
107     SystemVerifierTriageInformation,
108     SystemSuperfetchInformation,
109     SystemMemoryListInformation,
110     SystemFileCacheInformationEx,
111     MaxSystemInfoClass
112 } SYSTEM_INFORMATION_CLASS;
113 
114 //定义原型函数 
115 typedef
116 NTSTATUS
117 (WINAPI *pfnZwQuerySystemInformation)(
118     IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
119     IN OUT PVOID SystemInformation,
120     IN ULONG SystemInformationLength,
121     OUT PULONG ReturnLength);
122 pfnZwQuerySystemInformation ZwQuerySystemInformation = NULL;
123 UINT32 PrintProcessesIDAndName();
124 int main()
125 {
126     // 从Ntdll.dll中获得导出函数  
127     HMODULE NtdllHmodule = GetModuleHandle(L"ntdll.dll");
128     ZwQuerySystemInformation = (pfnZwQuerySystemInformation)GetProcAddress(NtdllHmodule, "ZwQuerySystemInformation");
129     
130     if (ZwQuerySystemInformation == NULL)
131     {
132         printf("Can't Get Address of ZwQuerySystemInformation!");
133         return 0;
134     }
135     PrintProcessesIDAndName();
136     
137     return 0;
138 }
139 
140 //打印进程ID和名称
141 UINT32 PrintProcessesIDAndName()
142 {
143     UINT32 BufferLength = 0x1000;
144     void*  BufferData = NULL;
145 
146     NTSTATUS Status = STATUS_INFO_LENGTH_MISMATCH;
147     HANDLE   HeapHandle = GetProcessHeap();      //获得当前进程默认堆
148 
149     UINT32 ProcessID = 0;
150 
151     BOOL   bOk = FALSE;
152     while (!bOk)
153     {
154         BufferData = HeapAlloc(HeapHandle, HEAP_ZERO_MEMORY, BufferLength);
155         if (BufferData == NULL)
156         {
157             return 0;
158         }
159 
160         Status = ZwQuerySystemInformation(SystemProcessInformation, BufferData, BufferLength, (PULONG)&BufferLength);
161         if (Status == STATUS_INFO_LENGTH_MISMATCH)
162         {
163             //内存不足,将内存扩大二倍重新申请
164             HeapFree(HeapHandle, NULL, BufferData);
165             BufferLength *= 2;
166         }
167         else if (!NT_SUCCESS(Status))
168         {
169             //不让看
170             HeapFree(HeapHandle, NULL, BufferData);
171             return 0;
172         }
173         else
174         {
175 
176             PSYSTEM_PROCESS_INFORMATION SystemProcess = (PSYSTEM_PROCESS_INFORMATION)BufferData;
177             while (SystemProcess)
178             {
179                 //定义变量ProcessName接收Name
180                 char ProcessName[MAX_PATH];
181                 memset(ProcessName, 0, sizeof(ProcessName));
182                 WideCharToMultiByte(0, 0, SystemProcess->ImageName.Buffer, SystemProcess->ImageName.Length, ProcessName, MAX_PATH, NULL, NULL);
183                 ProcessID = (UINT32)(SystemProcess->ProcessId);
184                 printf("PID:	%X,	Name:	%s
",ProcessID, ProcessName);
185 
186                 if (!SystemProcess->NextEntryOffset)
187                 {
188                     break;
189                 }
190                 SystemProcess = (PSYSTEM_PROCESS_INFORMATION)((unsigned char*)SystemProcess + SystemProcess->NextEntryOffset);
191             }
192 
193             if (BufferData)
194             {
195                 HeapFree(HeapHandle, NULL, BufferData);
196             }
197 
198             bOk = TRUE;
199         }
200     }
201 
202     return ProcessID;
203 }
    View Code

    　　4）利用WTSEnumerateProcesses

     1 #include "stdafx.h"
 2 #include <Windows.h>
 3 #include <WtsApi32.h>
 4 #pragma comment(lib,"WtsApi32.lib")
 5 int main()
 6 {
 7     //用nbtsat -n获得本机NetBios名
 8     WCHAR wzServerName[] = L"JARVIS";  //NetBios名
 9 
10     //开启远程终端服务
11     HANDLE WtsServerHandle = WTSOpenServer(wzServerName);
12 
13     PWTS_PROCESS_INFO WtsProcessInfo;
14     DWORD Count;
15 
16     //枚举进程
17     if (!WTSEnumerateProcesses(WtsServerHandle,
18         0,
19         1,
20         &WtsProcessInfo,
21         &Count))
22     {
23         printf("Enum rocesses Error: %d
", GetLastError());
24         return 0;
25     }
26 
27     for (int i = 0; i < Count; i++)
28     {
29         printf("PID:	%d	Name:	%S
", WtsProcessInfo[i].ProcessId, WtsProcessInfo[i].pProcessName);
30     }
31     //关闭服务
32     WTSCloseServer(WtsServerHandle);
33     return 0;
34 }
    View Code

    二、Ring0层方法总结

    　　1）利用PsLookupProcessByProcessId

     1 BOOLEAN  GetProcessImageNameByProcessID(ULONG32 ulProcessID,char* szProcessImageName,ULONG32* ulProcessImageNameLength)
 2 {
 3 
 4     NTSTATUS  Status;
 5     PEPROCESS  EProcess = NULL;
 6     Status = PsLookupProcessByProcessId((HANDLE)ulProcessID,&EProcess);
 7 
 8     if (!NT_SUCCESS(Status))
 9     {
10         return FALSE;
11     }
12 
13 
14     if (EProcess==NULL)
15     {
16         return FALSE;
17     }
18 
19     ObDereferenceObject(EProcess);
20 
21 
22 
23 
24     if (strlen(PsGetProcessImageFileName(EProcess))>MAX)
25     {
26         *ulProcessImageNameLength = MAX-1;
27     }
28 
29     else
30     {
31         *ulProcessImageNameLength = strlen(PsGetProcessImageFileName(EProcess));
32     }
33 
34 
35     memcpy(szProcessImageName,PsGetProcessImageFileName(EProcess),*ulProcessImageNameLength);
36 
37 
38     return TRUE;
39 
40     
41 
42 
43 }
    View Code
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  • 原文地址：https://www.cnblogs.com/yifi/p/6473867.html
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