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    <p>For kill a process in a remote machine you can use the <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/aa394372%28v=vs.85%29.aspx" rel="nofollow"><code>Win32_Process</code></a> WMI class and the <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/aa393907%28v=vs.85%29.aspx" rel="nofollow"><code>Terminate</code></a> method and for stop a remote service you can use the <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/aa394418%28v=vs.85%29.aspx" rel="nofollow"><code>Win32_Service</code></a> and the <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/aa393673%28v=vs.85%29.aspx" rel="nofollow"><code>StopService</code></a> method.</p> <p>Here is a C++ sample:</p> <pre><code>#include "stdafx.h" #define _WIN32_DCOM #include &lt;iostream&gt; using namespace std; #include &lt;comdef.h&gt; #include &lt;Wbemidl.h&gt; # pragma comment(lib, "wbemuuid.lib") //CREDENTIAL structure //http://msdn.microsoft.com/en-us/library/windows/desktop/aa374788%28v=vs.85%29.aspx #define CRED_MAX_USERNAME_LENGTH 513 #define CRED_MAX_CREDENTIAL_BLOB_SIZE 512 #define CREDUI_MAX_USERNAME_LENGTH CRED_MAX_USERNAME_LENGTH #define CREDUI_MAX_PASSWORD_LENGTH (CRED_MAX_CREDENTIAL_BLOB_SIZE / 2) // The Terminate method terminates a process and all of its threads. The method returns an integer value that can be interpretted as follows: // 0 - Successful completion. // 2 - The user does not have access to the requested information. // 3 - The user does not have sufficient privilge. // 8 - Unknown failure. // 9 - The path specified does not exist. // 21 - The specified parameter is invalid. // Other - For integer values other than those listed above, refer to Win32 error code documentation. // // Note: The SE_DEBUG_PRIVILEGE privilege is required to invoke this method #pragma argsused int main(int argc, char* argv[]) { wchar_t pszName[CREDUI_MAX_USERNAME_LENGTH+1] = L"user"; wchar_t pszPwd[CREDUI_MAX_PASSWORD_LENGTH+1] = L"password"; BSTR strNetworkResource; //To use a WMI remote connection set localconn to false and configure the values of the pszName, pszPwd and the name of the remote machine in strNetworkResource bool localconn = true; strNetworkResource = localconn ? L"\\\\.\\root\\CIMV2" : L"\\\\remote--machine\\root\\CIMV2"; COAUTHIDENTITY *userAcct = NULL ; COAUTHIDENTITY authIdent; HRESULT hres; // Initialize COM. ------------------------------------------ hres = CoInitializeEx(0, COINIT_MULTITHREADED); if (FAILED(hres)) { cout &lt;&lt; "Failed to initialize COM library. Error code = 0x" &lt;&lt; hex &lt;&lt; hres &lt;&lt; endl; cout &lt;&lt; _com_error(hres).ErrorMessage() &lt;&lt; endl; cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 1; // Program has failed. } // Set general COM security levels -------------------------- if (localconn) hres = CoInitializeSecurity( NULL, -1, // COM authentication NULL, // Authentication services NULL, // Reserved RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation NULL, // Authentication info EOAC_NONE, // Additional capabilities NULL // Reserved ); else hres = CoInitializeSecurity( NULL, -1, // COM authentication NULL, // Authentication services NULL, // Reserved RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication RPC_C_IMP_LEVEL_IDENTIFY, // Default Impersonation NULL, // Authentication info EOAC_NONE, // Additional capabilities NULL // Reserved ); if (FAILED(hres)) { cout &lt;&lt; "Failed to initialize security. Error code = 0x" &lt;&lt; hex &lt;&lt; hres &lt;&lt; endl; cout &lt;&lt; _com_error(hres).ErrorMessage() &lt;&lt; endl; CoUninitialize(); cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 1; // Program has failed. } // Obtain the initial locator to WMI ------------------------- IWbemLocator *pLoc = NULL; hres = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID *) &amp;pLoc); if (FAILED(hres)) { cout &lt;&lt; "Failed to create IWbemLocator object. " &lt;&lt; "Err code = 0x" &lt;&lt; hex &lt;&lt; hres &lt;&lt; endl; cout &lt;&lt; _com_error(hres).ErrorMessage() &lt;&lt; endl; CoUninitialize(); cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 1; // Program has failed. } // Connect to WMI through the IWbemLocator::ConnectServer method IWbemServices *pSvc = NULL; // Connect to the root\\CIMV2 namespace // and obtain pointer pSvc to make IWbemServices calls. if (localconn) hres = pLoc-&gt;ConnectServer( _bstr_t(strNetworkResource), // Object path of WMI namespace NULL, // User name. NULL = current user NULL, // User password. NULL = current 0, // Locale. NULL indicates current NULL, // Security flags. 0, // Authority (e.g. Kerberos) 0, // Context object &amp;pSvc // pointer to IWbemServices proxy ); else hres = pLoc-&gt;ConnectServer( _bstr_t(strNetworkResource), // Object path of WMI namespace _bstr_t(pszName), // User name _bstr_t(pszPwd), // User password NULL, // Locale NULL, // Security flags NULL, // Authority NULL, // Context object &amp;pSvc // IWbemServices proxy ); if (FAILED(hres)) { cout &lt;&lt; "Could not connect. Error code = 0x" &lt;&lt; hex &lt;&lt; hres &lt;&lt; endl; cout &lt;&lt; _com_error(hres).ErrorMessage() &lt;&lt; endl; pLoc-&gt;Release(); CoUninitialize(); cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 1; // Program has failed. } cout &lt;&lt; "Connected to root\\CIMV2 WMI namespace" &lt;&lt; endl; // Set security levels on the proxy ------------------------- if (localconn) hres = CoSetProxyBlanket( pSvc, // Indicates the proxy to set RPC_C_AUTHN_WINNT, // RPC_C_AUTHN_xxx RPC_C_AUTHZ_NONE, // RPC_C_AUTHZ_xxx NULL, // Server principal name RPC_C_AUTHN_LEVEL_CALL, // RPC_C_AUTHN_LEVEL_xxx RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx NULL, // client identity EOAC_NONE // proxy capabilities ); else { // Create COAUTHIDENTITY that can be used for setting security on proxy memset(&amp;authIdent, 0, sizeof(COAUTHIDENTITY)); authIdent.PasswordLength = wcslen (pszPwd); authIdent.Password = (USHORT*)pszPwd; authIdent.User = (USHORT*)pszName; authIdent.UserLength = wcslen(pszName); authIdent.Domain = 0; authIdent.DomainLength = 0; authIdent.Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE; userAcct = &amp;authIdent; hres = CoSetProxyBlanket( pSvc, // Indicates the proxy to set RPC_C_AUTHN_DEFAULT, // RPC_C_AUTHN_xxx RPC_C_AUTHZ_DEFAULT, // RPC_C_AUTHZ_xxx COLE_DEFAULT_PRINCIPAL, // Server principal name RPC_C_AUTHN_LEVEL_PKT_PRIVACY, // RPC_C_AUTHN_LEVEL_xxx RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx userAcct, // client identity EOAC_NONE // proxy capabilities ); } if (FAILED(hres)) { cout &lt;&lt; "Could not set proxy blanket. Error code = 0x" &lt;&lt; hex &lt;&lt; hres &lt;&lt; endl; cout &lt;&lt; _com_error(hres).ErrorMessage() &lt;&lt; endl; pSvc-&gt;Release(); pLoc-&gt;Release(); CoUninitialize(); cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 1; // Program has failed. } // Use the IWbemServices pointer to make requests of WMI ---- BSTR MethodName = SysAllocString(L"Terminate"); BSTR ClassName = SysAllocString(L"Win32_Process"); IWbemClassObject* pClass = NULL; hres = pSvc-&gt;GetObject(ClassName, 0, NULL, &amp;pClass, NULL); IWbemClassObject* pInParamsDefinition = NULL; hres = pClass-&gt;GetMethod(MethodName, 0, &amp;pInParamsDefinition, NULL); IWbemClassObject* pClassInstance = NULL; hres = pInParamsDefinition-&gt;SpawnInstance(0, &amp;pClassInstance); VARIANT varCommand; // Execute Method IWbemClassObject* pOutParams = NULL; // Pass the Pid of the process to terminate hres = pSvc-&gt;ExecMethod(L"Win32_Process.Handle=\"4532\"", MethodName, 0, NULL, pClassInstance, &amp;pOutParams, NULL); if (FAILED(hres)) { cout &lt;&lt; "Could not execute method. Error code = 0x" &lt;&lt; hex &lt;&lt; hres &lt;&lt; endl; cout &lt;&lt; _com_error(hres).ErrorMessage() &lt;&lt; endl; SysFreeString(ClassName); SysFreeString(MethodName); if (pClass) pClass-&gt;Release(); if (pInParamsDefinition) pInParamsDefinition-&gt;Release(); if (pOutParams) pOutParams-&gt;Release(); if (pSvc) pSvc-&gt;Release(); if (pLoc) pLoc-&gt;Release(); CoUninitialize(); cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 1; // Program has failed. } VARIANT varReturnValue; hres = pOutParams-&gt;Get(L"ReturnValue", 0, &amp;varReturnValue, NULL, 0); if (!FAILED(hres)) wcout &lt;&lt; "ReturnValue " &lt;&lt; varReturnValue.intVal &lt;&lt; endl; VariantClear(&amp;varReturnValue); // Clean up SysFreeString(ClassName); SysFreeString(MethodName); if (pClass) pClass-&gt;Release(); if (pInParamsDefinition) pInParamsDefinition-&gt;Release(); if (pOutParams) pOutParams-&gt;Release(); if (pLoc) pLoc-&gt;Release(); if (pSvc) pSvc-&gt;Release(); CoUninitialize(); cout &lt;&lt; "press enter to exit" &lt;&lt; endl; cin.get(); return 0; } </code></pre>
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    1. POHow do I use C to terminate a process on a remote computer?
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    1. USTimothy Jones
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    1. COAny C or C++ examples on how to use them?
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    2. COI just added a C++ sample.
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    3. CO@shawn You can convert above C++ code to C by replacing `cout` with `printf()` and `_com_error(hres).ErrorMessage()` with Kernel32's `GetLastError()`.
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