esp-phisher-node

A repeater companion node for the esp-phisher project.
This ESP32-based device clones the strongest nearby open Wi-Fi SSID and redirects all DNS traffic to the main captive portal server at 192.168.4.1.

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Purpose

esp-phisher-node is an educational tool created to demonstrate the risks of connecting to open Wi-Fi networks and blindly trusting captive portals. It helps extend the reach of a primary phishing AP by repeating the SSID and redirecting clients.

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Features

• Scans and clones the strongest open SSID
• Creates a fake AP using the cloned name
• Redirects all DNS traffic to the main captive portal (e.g., 192.168.4.1/index.html)
• Supports captive portal auto-launch on most devices
• LED indicators:
  • LED_PWR (GPIO 14): Always ON when powered
  • LED_TX (GPIO 12): Solid ON when a client connects

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Educational Use Only

This tool is meant for:

• Red team demos
• Ethical hacking research
• Wi-Fi security awareness
• DEFCON-style experiments

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Setup

1. Flash using Arduino IDE or PlatformIO

2. Board: ESP32 Dev Module

3. Wiring:

   • LED_PWR → GPIO 14
   • LED_TX → GPIO 12

4. Power via USB or 5V to VIN

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How It Works

• The ESP32 scans for nearby open networks
• It clones the strongest SSID found
• Starts a fake AP using that SSID
• All DNS traffic is redirected to 192.168.4.1
• The main esp-phisher handles web content and logging