Flipper Zero — BadUSB Ducky Script Reference

Quick reference for Ducky Script syntax supported by the Flipper Zero BadUSB module.

Payload Location

Payload files go on the SD card at /ext/badusb/ as .txt files.

Core Commands

Key Names

Common Shortcuts

Example Payloads

Open Run dialog and launch notepad (Windows):

DELAY 500
GUI r
DELAY 500
STRING notepad
ENTER

Open terminal on Linux:

DELAY 500
CTRL ALT t
DELAY 1000
STRING echo hello
ENTER

Type a long string fast:

DEFAULTDELAY 0
STRING This will type very fast with no delay between commands

Repeat a keystroke:

STRING a
REPEAT 10
REM Types 'a' 11 times total (1 + 10 repeats)

Flipper-Specific Notes

• File encoding must be UTF-8 — Windows CRLF line endings are fine
• Maximum file size: no hard limit but keep payloads concise
• The Flipper shows payload filename and a Run button — press center to execute
• You can stop mid-payload by pressing the back button
• ALT NUM (hold Alt, type number on numpad) works on Windows for special characters

Delay Guidelines

Links

• UberGuidoZ BadUSB payloads
• Hak5 Ducky Script reference