The Key Croc ships with a basic key-logging firmware. Unlock additional features like Cloud C2, advanced keystroke injection and payloads by following this guide.
Step 1: Download the Latest Firmware
Download the latest Key Croc firmware from downloads.hak5.org. Do not extract the .tar.gz archive. The checksum may be verified against the SHA256 listing from the download site.
Step 2: Connect the Key Croc in Arming Mode
Plug the Key Croc into your computer. After 30 seconds, press the arming button with a paperclip or similar. The LED will blink blue, and a KeyCroc USB flash drive will appear on your computer.
Step 3: Copy the Firmware to the Key Croc
Copy the downloaded .tar.gz upgrade file to the root of the KeyCroc drive. When the firmware file copy is complete, safely eject the KeyCroc drive.
Step 4: Unplug and Replug the Key Croc
Unplug and replug Key Croc. The LED will show a red/blue pattern for about 10 minutes. DO NOT unplug the Key Croc during this process as doing so irreparably damages the device.
When the firmware upgrade is complete the device will reboot, indicated by a green LED. Your Key Croc is now up to date. Version may be verify form version.txt on the root of the flash KeyCroc drive.
Continue reading the documentation
Find the full documentation on the Key Croc here at docs.hak5.org. Continue reading.