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flipperducky-badUSB-payload-generator

GUI (Graphic user interface) in HTML, CSS, JavaScript, to make easyer and faster to create payload (.txt) for you Flipper Zero's bad-USB function.

From this gist

https://gist.github.com/methanoliver/efebfe8f4008e167417d4ab96e5e3cac

DuckyScript commands supported by Flipper's BadUSB

Explanations are only given for commands not present in the original DuckyScript, for everything else refer to DuckyScript documentation.

Keys

These mean exactly what one would expect and should need no further explanation.

• Modifiers: CTRL, CONTROL, SHIFT, ALT, GUI, WINDOWS
• Combos: CTRL-ALT, CTRL-SHIFT, ALT-SHIFT, ALT-GUI, GUI-SHIFT
• Cursor: DOWNARROW, DOWN, LEFTARROW, LEFT, RIGHTARROW, RIGHT, UPARROW, UP
• Control and navigation: ENTER, BREAK, PAUSE, CAPSLOCK, DELETE, BACKSPACE, END, ESC, ESCAPE, HOME, INSERT, NUMLOCK, PAGEUP, PAGEDOWN, PRINTSCREEN, SCROLLOCK, SPACE, TAB, MENU, APP, SYSRQ
• Function: F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12

Input

• STRING
• ALTSTRING <string>, ALTCODE <string> -- Not present in DuckyScript, these are the equivalent of STRING, as if the string was typed in by holding Alt and entering the unicode code of every character, as described in Windows documentation. This is the way to get around the fact that there are no standard ways to switch input keyboard language and important in parts of the world where default keyboard has no Latin characters on it at all. This only works on Windows.
• ALTCHAR <code> -- Altstring is internally a sequence of ALTCHAR invocations.

There is no support for STRINGLN.

Structural

• REM
• ID <vendor:id> - Equivalent to certain features of DuckyScript's ATTACKMODE. executed in preload phase, sets USB id of the keyboard device. For example, ID 04d9:1702 is an AJAZZ keyboard.
• DELAY
• DEFAULT_DELAY, DEFAULTDELAY
• REPEAT
• DUCKY_LANG - ignored, recognized as a command purely for compatibility with existing scripts.

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Official documentation

https://github.com/DarkFlippers/unleashed-firmware/blob/dev/documentation/file_formats/BadUsbScriptFormat.md

Command syntax

BadUsb app uses extended Duckyscript syntax. It is compatible with classic USB Rubber Ducky 1.0 scripts, but provides some additional commands and features, such as custom USB ID, ALT+Numpad input method, SYSRQ command and more functional keys.

Script file format

BadUsb app can execute only text scrips from .txt files, no compilation is required. Both \n and \r\n line endings are supported. Empty lines are allowed. You can use spaces ore tabs for line indentation.

Command set

Comment line

Just a single comment line. All text after REM command will be ignored by interpreter

Command	Parameters	Notes
REM	Comment text

Delay

Pause script execution by defined time

Command	Parameters	Notes
DELAY	Delay value in ms	Single delay
DEFAULT_DELAY	Delay value in ms	Add delay before every next command
DEFAULTDELAY	Delay value in ms	Same as DEFAULT_DELAY

Special keys

Command	Notes
DOWNARROW / DOWN
LEFTARROW / LEFT
RIGHTARROW / RIGHT
UPARROW / UP
ENTER
DELETE
BACKSPACE
END
HOME
ESCAPE / ESC
INSERT
PAGEUP
PAGEDOWN
CAPSLOCK
NUMLOCK
SCROLLLOCK
PRINTSCREEN
BREAK	Pause/Break key
PAUSE	Pause/Break key
SPACE
TAB
MENU	Context menu key
APP	Same as MENU
Fx	F1-F12 keys

Modifier keys

Can be combined with special key command or single character

Command	Notes
CONTROL / CTRL
SHIFT
ALT
WINDOWS / GUI
CTRL-ALT	CTRL+ALT
CTRL-SHIFT	CTRL+SHIFT
ALT-SHIFT	ALT+SHIFT
ALT-GUI	ALT+WIN
GUI-SHIFT	WIN+SHIFT

String

Command	Parameters	Notes
STRING	Text string	Print text string

Repeat

Command	Parameters	Notes
REPEAT	Number of additional repeats	Repeat previous command

ALT+Numpad input

On Windows and some Linux systems you can print character by pressing ALT key and entering its code on numpad

Command	Parameters	Notes
ALTCHAR	Character code	Print single character
ALTSTRING	Text string	Print text string using ALT+Numpad method
ALTCODE	Text string	Same as ALTSTRING, presents in some Duckyscript implementations

SysRq

Send SysRq command

Command	Parameters	Notes
SYSRQ	Single character

USB device ID

You can set custom ID of Flipper USB HID device. ID command should be in the first line of script, it is executed before script run.

Command	Parameters	Notes
ID	VID:PID Manufacturer:Product

Example: ID 1234:abcd Flipper Devices:Flipper Zero

VID and PID are hex codes and are mandatory, Manufacturer and Product are text strings and are optional.

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DTK user script downloader

https://github.com/cribb-it/DTKDownloader The DTK(ducktoolkit user script https://ducktoolkit.com/userscripts) downloader doesn't work for me. So if you get it to work send in a PR and I will add the resulting dump here.

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Helpful hints

Here are a bunch of cheatsheets for use in building your scripts here

Shorten your payloads as much as possible by stringing multiple commands together with variables like && and ;;, read more into each OS/shell you are targeting and how to achieve this.

RTFM for CMD https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/cmd

RTFM for powershell https://learn.microsoft.com/en-us/powershell/scripting/learn/ps101/04-pipelines?view=powershell-7.3

Other ducky scripts can be found here http://www.theatomheart.net/post/rubber-ducky-payloads/