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Why does the USB Rubber Ducky look like a normal flash drive but behave like a keyboard? Darren Kitchen, founder of @hak5, tells David Bombal how a tool for fixing printers became a famous hacking device.
@DarrenKitchen shares the story behind the USB Rubber Ducky, from hiding early circuit boards inside actual rubber ducks to building DuckyScript and developing a security tool used for automation, awareness training, and authorized red teaming.
We explore why computers accept input from USB keyboards, how keystroke injection works, and why an apparently harmless device can issue commands much faster than a person. Darren also explains Keystroke Reflection, a technique that uses keyboard indicator signals such as Caps Lock, Num Lock, and
Scroll Lock to transfer small amounts of data without relying on a normal network connection, when the host and access conditions permit it.
In this conversation:
• Why the Rubber Ducky originally helped Darren fix printers and network shares
• How a USB device can identify itself as a human interface device (HID)
• What DuckyScript does and how it evolved
• The security implications of high-speed keystroke injection
• How Keystroke Reflection works in principle, including air-gapped scenarios
• Darren’s stories about the Rubber Ducky appearing in television and film
Learn more about the USB Rubber Ducky: https://shop.hak5.org/products/usb-ru… Hak5’s explanation of Keystroke Reflection: https://shop.hak5.org/blogs/usb-rubbe…
What surprised you most: that it started as an IT shortcut, or the keyboard LED technique? Let us know in the comments. This interview discusses security research and authorized testing. Only use security tools on systems you own or are explicitly permitted to assess.
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// MENU//
0:00 – Intro
0:30 – Hak5 Rubber Ducky origins
01:28 – What is a Rubber Ducky?
04:07 – Proton VPN sponsor segment
06:54 – How it works + origin story
12:03 – How the Rubber Ducky was created
13:40 – DuckyScript
17:48 – A powerful tool for automation
19:02 – Keyboard vulnerability // Rubber Ducky payload
23:58 – Rubber Ducky in media // Conclusion
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Disclaimer: This video is for educational purposes only.
#USBRubberDucky #Hak5 #Cybersecurity
