Proxy Switcher Sharp Guide

Enter (PSS)—a lightweight, C#-based utility designed for the command-line warrior who refuses to let GUI latency slow them down. What is Proxy Switcher Sharp? Despite its name, Proxy Switcher Sharp isn't just another browser add-on. It is a system-level, low-latency proxy configurator built on the .NET framework. It interacts directly with the Windows HTTP stack ( WinHTTP ) and Internet Settings via P/Invoke, allowing operators to switch proxy profiles instantly without restarting applications or waiting for UI refreshes.

By: Red Team Tech | Reading Time: 4 minutes

Proxy Switcher Sharp doesn't reinvent the wheel—it reinvents the axle . For the operator who needs to route traffic across a dozen different assessments simultaneously, PSS offers the agility of a script with the performance of a kernel driver. It’s not just a switcher; it’s a tactical router for the modern red team. proxy switcher sharp

When you execute ProxySwitcherSharp.exe --set Burp_Suite , the tool triggers InternetSetOption (WinAPI) to update the system-wide HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings . Within 50ms, every new TCP connection from your system respects the new route. 1. Per-Process PID Switching Unlike standard switchers that change everything , PSS can leverage Windows Filtering Platform (WFP) to route specific PIDs. Example:

Disclaimer: This article is for educational purposes regarding network configuration tools. Unauthorized use of proxy switching to bypass security controls violates computer fraud laws in most jurisdictions. It is a system-level, low-latency proxy configurator built

using System.Runtime.InteropServices; public class ProxySetter [DllImport("wininet.dll")] public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength); public static void SetProxy(string proxyString) // Set the proxy via registry or InternetSetOption

"profiles": [ "name": "Burp_Suite", "type": "HTTP", "addr": "127.0.0.1:8080" , "name": "SOCKS5_Tor", "type": "SOCKS5", "addr": "127.0.0.1:9050" , "name": "AWS_NAT", "type": "HTTP", "addr": "54.123.45.67:3128" , "name": "DIRECT", "type": "none" ] For the operator who needs to route traffic

In the high-stakes world of red teaming and bug bounty hunting, context switching is everything. One moment you’re scanning a corporate VPN; the next, you’re routing through Tor to check a leaky subdomain. Traditional browser extensions are clunky, and manual netsh commands kill your flow.