Ducky Proxy [best] Info

The most common technical reference to a "Ducky" proxy relates to how DuckDuckGo (DDG) handles user privacy. The Mechanism

: When you search on DuckDuckGo, the engine acts as a proxy between you and its search partners (primarily Bing). The Purpose

: It strips your IP address and personal identifiers before forwarding the search request. This ensures that while the partner engine provides the results, it cannot build a profile on the specific user. Privacy Layer

: Unlike standard proxies that might just mask your IP for all web traffic, this is a search-specific application designed to prevent "filter bubbles" and cross-site tracking. 2. Cybersecurity: HID Injection & Reverse Proxies

In the world of penetration testing, "Ducky" is synonymous with the Hak5 USB Rubber Ducky

, a keystroke injection tool. A "Ducky Proxy" in this context is often a custom payload or script. Automation ducky proxy

: A payload can be written to automatically configure a target machine to use a malicious proxy server. Exfiltration

: By plugging in the device, a script can change the system's WPAD (Web Proxy Auto-Discovery) settings or manual proxy configurations in seconds.

: This allows an attacker to intercept all web traffic (a Man-in-the-Middle attack) to capture credentials or session cookies without the user's knowledge. 3. Hobbyist & Gaming "Proxies" In the tabletop gaming community (e.g., Warhammer 40,000

), a "proxy" is a substitute model used in place of an official one. "Ducky Proxy" Models

: There is a popular niche for 3D-printing "Rubber Ducky" versions of famous characters to use as proxies in games. The most common technical reference to a "Ducky"

: You can find STL files for "Space Bug Proxies" (Xenohive) or "Imperial Guard Rubber Ducks" (Duck Korps) on platforms like MyMiniFactory Thingiverse Summary of Differences Primary Function Source/Origin Search Engine Anonymizes search queries to third-party providers. DuckDuckGo Cybersecurity Scripted payload to reroute a target's web traffic. Hak5 / Ducky Script Tabletop Gaming A 3D-printed "duck-themed" miniature used in gameplay. 3D Printing Community Ducky Script example

for configuring a proxy on a Windows machine, or are you looking for 3D printing files for gaming? How to Set Up a Proxy Server | Cybersafety - Cibersafety 08-Jan-2025 —

Here’s a technical write-up covering Ducky Proxy — a tool often used in red teaming and penetration testing to relay and manipulate network traffic from a USB Rubber Ducky or similar HID attack device.

2. How It Works

A typical HID attack uses a pre-programmed script (e.g., duckyscript.txt) flashed onto a device like a Rubber Ducky. Once inserted, the device emulates a keyboard and types out the payload at high speed.

Ducky Proxy changes this model by:

1. Interception Layer – A small agent runs on the target (or a connected intermediary device) that captures raw HID reports.
2. Proxy Server – A remote or local server that receives captured keystroke events and can reply with modified or new keystroke sequences.
3. Real-time Manipulation – The proxy can alter, delay, filter, or augment the keystrokes before they are passed to the OS.

In practice, Ducky Proxy often uses a two-device setup:

• Device A (Rubber Ducky) sends a minimal bootstrap payload that downloads and runs the proxy client.
• Device B (Proxy server) controls the rest of the attack interactively.

Alternatively, a single device with Wi-Fi capability (e.g., Ducky Wi-Fi or Raspberry Pi Zero) runs the proxy client locally.

Legitimate (Ethical) Use

• Penetration Testing: Red teams use Ducky scripts to simulate a "living off the land" attack, demonstrating how easily an employee can compromise their own network settings.
• Automated Network Configuration: System administrators could theoretically use a USB device to pre-configure proxy settings for a fleet of offline computers.
• Privacy: Manually configuring a proxy is standard. The "Ducky" part simply automates it.

5. Example Use Case

Scenario: Bypassing air-gapped network segmentation.

• Attacker gains physical access to a kiosk machine that blocks USB storage but allows USB keyboards.
• Ducky Proxy is used: Ducky injects a minimal stager that installs the proxy client.
• Once the proxy is active, the attacker remotely sends commands to enumerate network shares, dump credentials, or exfiltrate data via the proxy’s reverse channel.
• If the payload fails mid-way (e.g., wrong window focus), the attacker can adjust without pulling and reflashing the Ducky.

Stage 1: The Payload Creation

The attacker writes a script (using Ducky Script or similar languages) that tells the USB device what to type. The script targets the operating system's network settings. For Windows, this might involve:

• Opening the Control Panel → Internet Options → Connections → LAN settings.
• Toggling on "Use a proxy server for your LAN."
• Injecting the attacker’s proxy IP address (e.g., 192.168.1.100:8080 or a remote SOCKS5 proxy).

Detection and Mitigation: Defending Against Ducky Proxy Attacks

For Blue Teams, the Ducky Proxy attack is difficult to detect because it abuses legitimate administrative tools (netsh, reg.exe, powershell). However, prevention is possible. Interception Layer – A small agent runs on

Core components

• Listener: accepts client HTTP(S) connections; can expose an HTTP API for admin tasks.
• Router: decides upstream destination using rules (domain, path, header patterns).
• Transformer: applies configured header/cookie rewrites, redactions, or body transforms.
• Connector: establishes outbound connections to upstream servers (supports HTTP/1.1, HTTP/2, and optional SOCKS upstream).
• Auth layer: validates tokens or client certificates.
• Storage/metrics: optional local buffer for metrics, with encryption-at-rest and configurable retention.