PacHost.ps1

function Start-PACFileHosting()
	{
		# Example PAC File Hosting
		# Pattern after http://obscuresecurity.blogspot.com/2014/05/dirty-powershell-webserver.html
		# example: http://localhost:8083/i.pac
		# Be Certain Line 19 matches your Interceptor Config
		Start-Job -ScriptBlock {
				
				$Hso = New-Object Net.HttpListener
				$Hso.Prefixes.Add("http://+:8083/")
				$Hso.Start()
				While ($Hso.IsListening) {
					$HC = $Hso.GetContext()
					$HRes = $HC.Response
					$HRes.Headers.Add("Content-Type","text/plain")
					$Buf = [Text.Encoding]::UTF8.GetBytes('function FindProxyForURL(url, host){
					// Intercepted Domains
						if (shExpMatch(url, "https://www.google.com/*"))
							return "PROXY 127.0.0.1:8081";

					// DEFAULT RULE: All other traffic, use below proxies, in fail-over order.
						return "DIRECT";
					 
					}')
														
					$HRes.ContentLength64 = $Buf.Length
					$HRes.OutputStream.Write($Buf,0,$Buf.Length)
					$HRes.Close()
				}
				$Hso.Stop()
			}
			
	}