一个小工具，功能有启用禁用外网、USB接口，可由服务端socket长链接进行操控客户端从而达到实现前边的这些功能，这里贴上核心代码，先给上启用禁用USB接口吧，这个方法可随时启用禁用，之前用过一个改usb接口状态那个方法不大行，对于已经插进去的没啥作用了，这个是后来改过的

启用USB

  1.         public bool EnableUSB()
  2.         {
  3.             if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices"))
  4.             {
  5.                 CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows", "RemovableStorageDevices", "");
  6.             }
  7.             if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))
  8.             {
  9.                 CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");
  10.             }
  11.             SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");
  12.             SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");
  13.             bool blDevices = SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");
  14.  
  15.             if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR"))
  16.             {
  17.                 CreateRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\", "USBSTOR", "");
  18.             }
  19.             bool blUsbStor = SetRegistValue("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR", "Start", "", "REG_DWORD");
  20.  
  21.             if (GetSystemIs64() == "")
  22.             {
  23.  
  24.                 if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices"))
  25.                 {
  26.                     CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\", "RemovableStorageDevices", "");
  27.                 }
  28.                 if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))
  29.                 {
  30.                     CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");
  31.                 }
  32.                 SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");
  33.                 SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");
  34.                 SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");
  35.             }
  36.             return blDevices && blUsbStor;
  37.         }

 禁用USB

  1.         public bool DisableUSB()
  2.         {
  3.             if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices"))
  4.             {
  5.                 CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows", "RemovableStorageDevices", "");
  6.             }
  7.             if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))
  8.             {
  9.                 CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");
  10.             }
  11.  
  12.             SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");
  13.             SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");
  14.             bool blDevices = SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");
  15.  
  16.             if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR"))
  17.             {
  18.                 CreateRegistKey("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\", "USBSTOR", "");
  19.             }
  20.             bool blUsbStor = SetRegistValue("HKEY_LOCAL_MACHINE", @"SYSTEM\CurrentControlSet\services\USBSTOR", "Start", "", "REG_DWORD");
  21.  
  22.             if (GetSystemIs64() == "")
  23.             {
  24.  
  25.                 if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices"))
  26.                 {
  27.                     CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\", "RemovableStorageDevices", "");
  28.                 }
  29.                 if (!IsExistRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}"))
  30.                 {
  31.                     CreateRegistKey("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\", "{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "");
  32.                 }
  33.  
  34.                 SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Read", "", "REG_DWORD");
  35.                 SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_Write", "", "REG_DWORD");
  36.                 SetRegistValue("HKEY_LOCAL_MACHINE", @"SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\RemovableStorageDevices\{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}", "Deny_All", "", "REG_DWORD");
  37.             }
  38.             return blDevices && blUsbStor;
  39.         }
  40.

判断获取操作系统位数

  1.         private string GetSystemIs64()
  2.         {
  3.             try
  4.             {
  5.                 string systemtype = "";
  6.                 ObjectQuery oq = new ObjectQuery("select AddressWidth from Win32_Processor");
  7.                 ManagementObjectSearcher query1 = new ManagementObjectSearcher(oq);
  8.                 ManagementObjectCollection moc = query1.Get();
  9.                 foreach (ManagementObject mo in moc)
  10.                 {
  11.                     try
  12.                     {
  13.                         systemtype = mo["addressWidth"].ToString();
  14.                     }
  15.                     catch
  16.                     {
  17.                         systemtype += "null";
  18.                         continue;
  19.                     }
  20.                 }
  21.                 moc = null;
  22.                 oq = null;
  23.                 query1 = null;
  24.                 return systemtype;
  25.  
  26.             }
  27.             catch (Exception ex)
  28.             {
  29.                 ErrorCollectHelper.ErrorLog("获取操作系统位数错误", ex.ToString());
  30.                 return "";
  31.             }
  32.         }
  33.

操作注册表

  1.         private bool IsExistRegistKey(string rootKey, string subKey)
  2.         {
  3.             bool isExistKey = false;
  4.             try
  5.             {
  6.                 RegistryKey hkml = GetRegistryKey(rootKey);
  7.                 if (hkml != null)
  8.                 {
  9.                     RegistryKey subkey = hkml.OpenSubKey(subKey, true);
  10.                     if (subkey != null)
  11.                         isExistKey = true;
  12.                 }
  13.             }
  14.             catch (Exception ex)
  15.             {
  16.                 ErrorCollectHelper.ErrorLog("打开注册表错误", ex.ToString());
  17.             }
  18.             return isExistKey;
  19.         }
  20.         private void CreateRegistKey(string rootKey, string subKey, string keyName, string keyValue)
  21.         {
  22.             try
  23.             {
  24.                 RegistryKey hkml = GetRegistryKey(rootKey);
  25.                 if (hkml != null)
  26.                 {
  27.                     RegistryKey subkey = hkml.CreateSubKey(subKey);
  28.                     if (subkey != null && keyName != "")
  29.                         subkey.SetValue(keyName, keyValue, RegistryValueKind.String);
  30.                 }
  31.             }
  32.             catch (Exception ex)
  33.             {
  34.                 ErrorCollectHelper.ErrorLog("创建注册表错误", ex.ToString());
  35.             }
  36.         }
  37.  
  38.         private bool SetRegistValue(string rootKey, string subKey, string key, string value, string type)
  39.         {
  40.             try
  41.             {
  42.                 RegistryKey hkml = GetRegistryKey(rootKey);
  43.                 if (hkml != null)
  44.                 {
  45.                     RegistryKey secKey = hkml.OpenSubKey(subKey, true);
  46.                     if (secKey != null)
  47.                         secKey.SetValue(key, value, GetValueKind(type));
  48.                     else
  49.                     {
  50.                         secKey = hkml.CreateSubKey(subKey);
  51.                         if (secKey != null)
  52.                             secKey.SetValue(key, value, GetValueKind(type));
  53.                     }
  54.                 }
  55.                 return true;
  56.             }
  57.             catch (Exception ex)
  58.             {
  59.                 ErrorCollectHelper.ErrorLog("修改注册表错误", ex.ToString());
  60.                 return false;
  61.             }
  62.         }
  63.         private bool DeleteRegistValue(string rootKey, string subKey, string key)
  64.         {
  65.             try
  66.             {
  67.                 RegistryKey hkml = GetRegistryKey(rootKey);
  68.                 if (hkml != null)
  69.                 {
  70.                     RegistryKey secKey = hkml.OpenSubKey(subKey, true);
  71.                     if (secKey != null)
  72.                     {
  73.                         if (secKey.GetValue(key) != null)
  74.                             secKey.DeleteValue(key);
  75.                     }
  76.                 }
  77.                 return true;
  78.             }
  79.             catch (System.Exception ex)
  80.             {
  81.                 ErrorCollectHelper.ErrorLog("删除注册表错误", ex.ToString());
  82.                 return false;
  83.             }
  84.         }
  85.         private RegistryValueKind GetValueKind(string typeInfo)
  86.         {
  87.             switch (typeInfo)
  88.             {
  89.                 case "REG_DWORD":
  90.                     return RegistryValueKind.DWord;
  91.                 case "REG_SZ":
  92.                     return RegistryValueKind.String;
  93.                 default:
  94.                     return RegistryValueKind.None;
  95.             }
  96.         }
  97.         private RegistryKey GetRegistryKey(string rootkey)
  98.         {
  99.             if (string.IsNullOrEmpty(rootkey))
  100.                 return null;
  101.             switch (rootkey)
  102.             {
  103.                 case "HKEY_CURRENT_USER":
  104.                     return Registry.CurrentUser;
  105.                 case "HKEY_LOCAL_MACHINE":
  106.                     return Registry.LocalMachine;
  107.                 case "HKEY_CLASSES_ROOT":
  108.                     return Registry.ClassesRoot;
  109.                 case "HKEY_USERS":
  110.                     return Registry.Users;
  111.                 case "HKEY_CURRENT_CONFIG":
  112.                     return Registry.CurrentConfig;
  113.                 default:
  114.                     return null;
  115.             }
  116.         }

以上内容都是比较固定死的，没什么技术含量，这些内容可以直接拿着作为helper用了

（下一个是启用禁用外网）

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