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MY USB RUBBER DUCKY SHOWS A SOLID RED LED, NOW WHAT?
The red LED on your USB Rubber Ducky is an indication that the inject.bin file cannot be read from the micro-SD card. Common causes may be:
  • inject.bin file encoded incorrectly
  • inject.bin file named incorrectly
  • inject.bin file not on the root of the micro-SD card
  • Damaged or corrupt micro-SD card
  • micro-SD card is not seated properly
Troubleshooting Tips:
Test that the USB Rubber Ducky is processing the inject.bin from the SD card:
  • A known good test inject.bin file may be downloaded for troubleshooting from http://darren.kitchen/ducktest/inject.bin
  • Ensure that the micro-SD card is formatted correctly using the FAT file system. If trouble persists, I recommend trying a different micro-SD card.
Test that the micro push-button replays the payload on the target test machine:
  • Using the stock firmware, ensure that a known working inject.bin file is loaded on the root of the USB Rubber Ducky’s micro-SD card and deploy on a target test computer.
  • After successful execution of the payload, test that the payload replays by pressing the micro push-button.
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