PhantomUSB 🔮

The Open-Source Keystroke Injection Device for Pentesters

PhantomUSB

PhantomUSB is a WiFi-enabled keystroke injection device with a built-in scripting engine and a dual LED status system. Powered by an ESP32 Wroom32U and CH9329, it enables seamless, remote-controlled automation of keyboard inputs over a secure WiFi AP. With low-latency execution, plug & play setup, and an intuitive web interface, PhantomUSB is designed for professionals who require precision, flexibility, and efficiency in automated keystroke execution.

✨ Features

• 📡 Remote Keystroke Injection via Web Interface (WiFi Access Point)
• 💡 Dual LED Status System (Operation Feedback)
• 📜 Embedded Scripting Language (Documentation)
• ⚡ Low-latency Communication with CH9329
• 🛠️ Plug & Play Setup with ESP32 Wroom32U & CH9329
• 🔒 Secure Connection (WPA2 Protected)
• 📚 Open Source (Fully Customizable)
• 📱 Cross-Platform Compatibility (Windows, Linux, Mac)
• 🚀 Easy Flashing using Web Flasher (Web Flasher)
• 📖 Detailed Documentation (Learn)
• 💸 Cheap & Affordable (DIY Components ~ $11.24)

---

🛠 Hardware Setup

🔌 Pinout Diagram

ESP32 Wroom32U	CH9329	LEDs
GND	GND
VIN (5V)	5V
GPIO 17	TX
GPIO 16	RX
GPIO 19		LED Write
GPIO 18		LED Status

LED Behavior:

• 💚 Write LED (GPIO 18): Blinks during script execution
• 💙 Status LED (GPIO 19): Solid = CH9329 Active and ready

---

📦 Components

Component	Quantity	Price	Source
ESP32 Wroom32U	1	~ $5	AliExpress
CH9329	1	~ $1.85	AliExpress
LEDs (Blue and Green)	2	~ $1.59	AliExpress
Jumper Wires (10cm)	1	~ $1.30	AliExpress
IPEX to SMA Pigtail Antenna Set	1	~ $1.50	AliExpress

• Total Cost: $11.24 (Excluding Shipping)
• ~ = Approximate Price
• Note: Prices may vary based on the seller and location.
• Soldiering is not required when using jumper wires.
• 🧩 No Soldering Needed - Jumper wire compatible

---

🔧 Setup Guide

1. Glue the CH9329 to the back of the ESP32 (bottom side).
2. Connect the CH9329 to the ESP32 using small jumper wires.
3. Make sure everything fits well without parts sticking out.
4. Connect the LEDs to the ESP32 (soldering is best for a strong connection).
5. 3D Print (3mf File) or make a DIY case for the Phantom USB.

---

📶 WiFi Credentials

IP: 192.168.4.1
SSID: "PhantomUSB"
Password: "12345678910"

---

📜 Scripting Language Documentation

Full Documentation:
https://learn.axionsec.pro/PhantomUSB/Phantom

Basic Commands:

• ⌨️ write "text" - Type text with keyboard emulation
• ⏎ writeLn "text" - Type text + press Enter
• ⏳ delay "ms" - Pause execution (milliseconds)

Advanced Features:

• 🖥️ terminal "OS" - Auto-open system terminal (Windows/Linux/Mac)
• 🔢 key "F1-F24" - Press any key
• 🧭 arrowKey "direction" - Navigate with arrow keys
• 🤖 comboKey "key1+key2" - Press multiple keys simultaneously