├── .gitignore ├── README.md ├── WindowsDefenderHelper.sln └── WindowsDefenderHelper ├── App.config ├── Program.cs ├── Properties └── AssemblyInfo.cs ├── WindowsDefenderHelper.cs └── WindowsDefenderHelper.csproj /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Ww][Ii][Nn]32/ 27 | [Aa][Rr][Mm]/ 28 | [Aa][Rr][Mm]64/ 29 | bld/ 30 | [Bb]in/ 31 | [Oo]bj/ 32 | [Ll]og/ 33 | [Ll]ogs/ 34 | 35 | # Visual Studio 2015/2017 cache/options directory 36 | .vs/ 37 | # Uncomment if you have tasks that create the project's static files in wwwroot 38 | #wwwroot/ 39 | 40 | # Visual Studio 2017 auto generated files 41 | Generated\ Files/ 42 | 43 | # MSTest test Results 44 | [Tt]est[Rr]esult*/ 45 | [Bb]uild[Ll]og.* 46 | 47 | # NUnit 48 | *.VisualState.xml 49 | TestResult.xml 50 | nunit-*.xml 51 | 52 | # Build Results of an ATL Project 53 | [Dd]ebugPS/ 54 | [Rr]eleasePS/ 55 | dlldata.c 56 | 57 | # Benchmark Results 58 | BenchmarkDotNet.Artifacts/ 59 | 60 | # .NET Core 61 | project.lock.json 62 | project.fragment.lock.json 63 | artifacts/ 64 | 65 | # ASP.NET Scaffolding 66 | ScaffoldingReadMe.txt 67 | 68 | # StyleCop 69 | StyleCopReport.xml 70 | 71 | # Files built by Visual Studio 72 | *_i.c 73 | *_p.c 74 | *_h.h 75 | *.ilk 76 | *.meta 77 | *.obj 78 | *.iobj 79 | *.pch 80 | *.pdb 81 | *.ipdb 82 | *.pgc 83 | *.pgd 84 | *.rsp 85 | *.sbr 86 | *.tlb 87 | *.tli 88 | *.tlh 89 | *.tmp 90 | *.tmp_proj 91 | *_wpftmp.csproj 92 | *.log 93 | *.tlog 94 | *.vspscc 95 | *.vssscc 96 | .builds 97 | *.pidb 98 | *.svclog 99 | *.scc 100 | 101 | # Chutzpah Test files 102 | _Chutzpah* 103 | 104 | # Visual C++ cache files 105 | ipch/ 106 | *.aps 107 | *.ncb 108 | *.opendb 109 | *.opensdf 110 | *.sdf 111 | *.cachefile 112 | *.VC.db 113 | *.VC.VC.opendb 114 | 115 | # Visual Studio profiler 116 | *.psess 117 | *.vsp 118 | *.vspx 119 | *.sap 120 | 121 | # Visual Studio Trace Files 122 | *.e2e 123 | 124 | # TFS 2012 Local Workspace 125 | $tf/ 126 | 127 | # Guidance Automation Toolkit 128 | *.gpState 129 | 130 | # ReSharper is a .NET coding add-in 131 | _ReSharper*/ 132 | *.[Rr]e[Ss]harper 133 | *.DotSettings.user 134 | 135 | # TeamCity is a build add-in 136 | _TeamCity* 137 | 138 | # DotCover is a Code Coverage Tool 139 | *.dotCover 140 | 141 | # AxoCover is a Code Coverage Tool 142 | .axoCover/* 143 | !.axoCover/settings.json 144 | 145 | # Coverlet is a free, cross platform Code Coverage Tool 146 | coverage*.json 147 | coverage*.xml 148 | coverage*.info 149 | 150 | # Visual Studio code coverage results 151 | *.coverage 152 | *.coveragexml 153 | 154 | # NCrunch 155 | _NCrunch_* 156 | .*crunch*.local.xml 157 | nCrunchTemp_* 158 | 159 | # MightyMoose 160 | *.mm.* 161 | AutoTest.Net/ 162 | 163 | # Web workbench (sass) 164 | .sass-cache/ 165 | 166 | # Installshield output folder 167 | [Ee]xpress/ 168 | 169 | # DocProject is a documentation generator add-in 170 | DocProject/buildhelp/ 171 | DocProject/Help/*.HxT 172 | DocProject/Help/*.HxC 173 | DocProject/Help/*.hhc 174 | DocProject/Help/*.hhk 175 | DocProject/Help/*.hhp 176 | DocProject/Help/Html2 177 | DocProject/Help/html 178 | 179 | # Click-Once directory 180 | publish/ 181 | 182 | # Publish Web Output 183 | *.[Pp]ublish.xml 184 | *.azurePubxml 185 | # Note: Comment the next line if you want to checkin your web deploy settings, 186 | # but database connection strings (with potential passwords) will be unencrypted 187 | *.pubxml 188 | *.publishproj 189 | 190 | # Microsoft Azure Web App publish settings. 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This requires Administrator Privilege. 4 | 5 | ## How to use 6 | 7 | `WindowsDefenderHelper` class provides all features to add/remove/read exclusions on Windows Defender. It calls PowerShell internally. 8 | 9 | Functions: 10 | - IsUserAdministrator() 11 | - GetExclusionPath() 12 | - GetExclusionProcess() 13 | - GetExclusionExtension() 14 | - AddExclusionPath(string value) 15 | - AddExclusionProcess(string value) 16 | - AddExclusionExtension(string value) 17 | - RemoveExclusionPath(string value) 18 | - RemoveExclusionProcess(string value) 19 | - RemoveExclusionExtension(string value) 20 | -------------------------------------------------------------------------------- /WindowsDefenderHelper.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 17 4 | VisualStudioVersion = 17.8.34330.188 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WindowsDefenderHelper", "WindowsDefenderHelper\WindowsDefenderHelper.csproj", "{80D5864C-925B-4248-9221-F7494D7FF021}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {80D5864C-925B-4248-9221-F7494D7FF021}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {80D5864C-925B-4248-9221-F7494D7FF021}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {80D5864C-925B-4248-9221-F7494D7FF021}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {80D5864C-925B-4248-9221-F7494D7FF021}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | GlobalSection(ExtensibilityGlobals) = postSolution 23 | SolutionGuid = {E5198BF1-AAB9-4990-8F2D-CC6737E115FE} 24 | EndGlobalSection 25 | EndGlobal 26 | -------------------------------------------------------------------------------- /WindowsDefenderHelper/App.config: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /WindowsDefenderHelper/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using static WindowsDefenderHelper; 3 | 4 | internal class Program 5 | { 6 | static void Main(string[] args) 7 | { 8 | if (!IsUserAdministrator()) 9 | { 10 | Console.Write("This program requires administrator privilege. Press any key to exit..."); 11 | Console.ReadKey(); 12 | return; 13 | } 14 | 15 | var path = @"C:\Temp"; 16 | 17 | Console.WriteLine("Current ExclusionPath:"); 18 | Console.WriteLine(GetExclusionPath()); 19 | 20 | Console.WriteLine(); 21 | Console.Write($"Adding \"{path}\" to ExclusionPath... "); 22 | AddExclusionPath(path); 23 | Console.WriteLine($"Added."); 24 | Console.WriteLine(GetExclusionPath()); 25 | 26 | Console.WriteLine(); 27 | Console.Write($"Removing \"{path}\" from ExclusionPath... "); 28 | RemoveExclusionPath(path); 29 | Console.WriteLine($"Removed."); 30 | Console.WriteLine(GetExclusionPath()); 31 | 32 | Console.WriteLine(); 33 | Console.Write("All done. Press any key to exit..."); 34 | Console.ReadKey(); 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /WindowsDefenderHelper/Properties/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Reflection; 2 | using System.Runtime.CompilerServices; 3 | using System.Runtime.InteropServices; 4 | 5 | // General Information about an assembly is controlled through the following 6 | // set of attributes. Change these attribute values to modify the information 7 | // associated with an assembly. 8 | [assembly: AssemblyTitle("WindowsDefenderHelper")] 9 | [assembly: AssemblyDescription("")] 10 | [assembly: AssemblyConfiguration("")] 11 | [assembly: AssemblyCompany("")] 12 | [assembly: AssemblyProduct("WindowsDefenderHelper")] 13 | [assembly: AssemblyCopyright("Copyright © 2024")] 14 | [assembly: AssemblyTrademark("")] 15 | [assembly: AssemblyCulture("")] 16 | 17 | // Setting ComVisible to false makes the types in this assembly not visible 18 | // to COM components. If you need to access a type in this assembly from 19 | // COM, set the ComVisible attribute to true on that type. 20 | [assembly: ComVisible(false)] 21 | 22 | // The following GUID is for the ID of the typelib if this project is exposed to COM 23 | [assembly: Guid("80d5864c-925b-4248-9221-f7494d7ff021")] 24 | 25 | // Version information for an assembly consists of the following four values: 26 | // 27 | // Major Version 28 | // Minor Version 29 | // Build Number 30 | // Revision 31 | // 32 | // You can specify all the values or you can default the Build and Revision Numbers 33 | // by using the '*' as shown below: 34 | // [assembly: AssemblyVersion("1.0.*")] 35 | [assembly: AssemblyVersion("1.0.0.0")] 36 | [assembly: AssemblyFileVersion("1.0.0.0")] 37 | -------------------------------------------------------------------------------- /WindowsDefenderHelper/WindowsDefenderHelper.cs: -------------------------------------------------------------------------------- 1 | using System.Diagnostics; 2 | using System.IO; 3 | using System.Security.Principal; 4 | 5 | public static class WindowsDefenderHelper 6 | { 7 | public static bool IsUserAdministrator() 8 | { 9 | try 10 | { 11 | WindowsIdentity user = WindowsIdentity.GetCurrent(); 12 | WindowsPrincipal principal = new WindowsPrincipal(user); 13 | return principal.IsInRole(WindowsBuiltInRole.Administrator); 14 | } 15 | catch 16 | { 17 | } 18 | return false; 19 | } 20 | 21 | public static string RunPowerShell(string args) 22 | { 23 | using (Process p = new Process 24 | { 25 | StartInfo = new ProcessStartInfo 26 | { 27 | WindowStyle = ProcessWindowStyle.Hidden, 28 | FileName = "powershell", 29 | Arguments = args, 30 | UseShellExecute = false, 31 | RedirectStandardOutput = true, 32 | CreateNoWindow = true 33 | } 34 | }) 35 | try 36 | { 37 | p.Start(); 38 | StreamReader sr = p.StandardOutput; 39 | string result = sr.ReadToEnd().Trim(); 40 | sr.Close(); 41 | return result; 42 | } 43 | catch { } 44 | return null; 45 | } 46 | 47 | public static string GetExclusionPath() 48 | { 49 | return RunPowerShell($"Get-MpPreference | Select-Object -ExpandProperty ExclusionPath"); 50 | } 51 | 52 | public static string GetExclusionProcess() 53 | { 54 | return RunPowerShell($"Get-MpPreference | Select-Object -ExpandProperty ExclusionProcess"); 55 | } 56 | 57 | public static string GetExclusionExtension() 58 | { 59 | return RunPowerShell($"Get-MpPreference | Select-Object -ExpandProperty ExclusionExtension"); 60 | } 61 | 62 | public static string AddExclusionPath(string value) 63 | { 64 | return RunPowerShell($"-Command Add-MpPreference -ExclusionPath \"{value}\""); 65 | } 66 | 67 | public static string AddExclusionProcess(string value) 68 | { 69 | return RunPowerShell($"-Command Add-MpPreference -ExclusionProcess \"{value}\""); 70 | } 71 | 72 | public static string AddExclusionExtension(string value) 73 | { 74 | return RunPowerShell($"-Command Add-MpPreference -ExclusionExtension \"{value}\""); 75 | } 76 | 77 | public static string RemoveExclusionPath(string value) 78 | { 79 | return RunPowerShell($"-Command Remove-MpPreference -ExclusionPath \"{value}\""); 80 | } 81 | 82 | public static string RemoveExclusionProcess(string value) 83 | { 84 | return RunPowerShell($"-Command Remove-MpPreference -ExclusionProcess \"{value}\""); 85 | } 86 | 87 | public static string RemoveExclusionExtension(string value) 88 | { 89 | return RunPowerShell($"-Command Remove-MpPreference -ExclusionExtension \"{value}\""); 90 | } 91 | } 92 | -------------------------------------------------------------------------------- /WindowsDefenderHelper/WindowsDefenderHelper.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | Debug 6 | AnyCPU 7 | {80D5864C-925B-4248-9221-F7494D7FF021} 8 | Exe 9 | WindowsDefenderHelper 10 | WindowsDefenderHelper 11 | v4.7.2 12 | 512 13 | true 14 | true 15 | publish\ 16 | true 17 | Disk 18 | false 19 | Foreground 20 | 7 21 | Days 22 | false 23 | false 24 | true 25 | 0 26 | 1.0.0.%2a 27 | false 28 | false 29 | true 30 | 31 | 32 | AnyCPU 33 | true 34 | embedded 35 | false 36 | bin\Debug\ 37 | DEBUG;TRACE 38 | prompt 39 | 4 40 | 41 | 42 | AnyCPU 43 | pdbonly 44 | true 45 | bin\Release\ 46 | TRACE 47 | prompt 48 | 4 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | False 72 | Microsoft .NET Framework 4.7.2 %28x86 and x64%29 73 | true 74 | 75 | 76 | False 77 | .NET Framework 3.5 SP1 78 | false 79 | 80 | 81 | 82 | --------------------------------------------------------------------------------