mshta.exe "about:<hta:application id='hta'/><script>eval(hta.commandLine.match(/\/script(.+)/)[1].slice(37, -1));</script>" "alert("Hey man!");window.close();" mshta.exe "about:<hta:application id='hta'/><script>eval(hta.commandLine.match(/\/script(.+)/)[1].slice(37, -1));</script>" "alert("^&^(^)[]…</hta:application></hta:application>