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Port of a brute force utility by Corey Harding of LegacySecurityGroup.com, the original can be found here. It's a generic AM/OOK brute forcer with PWM translations. It has been demonstrated to work against static key garage door openers.

Options

FREQ

Frequency to brute force.

BAUD

Baud rate. Default: 2000

BINLENGTH

Binary bit-length for bruteforcing. Default: 8

REPEAT

How many times to repeat the sending of the packet. Default: 5

PPAD

Binary data to append to packet. (Example: "0101") Default: None

TPAD

Binary data to add to end of packet. (Example: "0101") Default: None

RAW

Do not do PWM encoding on packet. Default: False

TRI

Use trinary signals. Default: False

EXTRAVERBOSE

Adds some extra status messages.

INDEX

USB Index number. Default: 0

DELAY

How many milliseconds to delay before transmission. Too fast tends to lock up the device. Default: 500 (0.5 seconds)

Scenarios

Run a brute force of 6 characters long with 2 repeats:

hwbridge > run post/hardware/rftransceiver/rfpwnon FREQ=915000000 BINLEGTH=6 REPEAT=2

[*] Generating de bruijn sequence...
[*] Brute forcing frequency: 915000000
[*] Transmitting...
[*] Binary before PWM encoding:
[*] 00000000
[*] Binary after PWM encoding:
[*] 11101110111011101110111011101110
[*] Transmitting...
[*] Binary before PWM encoding:
[*] 00000000
[*] Binary after PWM encoding:
[*] 11101110111011101110111011101110
[*] Transmitting...
[*] Binary before PWM encoding:
[*] 00000001
[*] Binary after PWM encoding:
[*] 11101110111011101110111011101000
[*] Transmitting...
[*] Binary before PWM encoding:
[*] 00000001
[*] Binary after PWM encoding:
[*] 11101110111011101110111011101000
[*] Transmitting...
[*] Binary before PWM encoding:
[*] 00000010
[*] Binary after PWM encoding:
[*] 11101110111011101110111010001110
[*] Transmitting...
...