Micro::bit

import bincopyimport lzmaimport sysimport subprocessimport json# split firmware into raw and codewith open(sys.argv[1],'r') as f:    fwstring = f.read()    fwsplit = fwstring.split('\n\n')        with open('fw_raw.hex', 'w') as g:        g.write(fwsplit[0])    with open('fw_code.hex', 'w') as g:        g.write(fwsplit[1])# Convert ihex to binf = bincopy.BinFile()f.add_ihex_file('fw_code.hex')binary = f.as_binary()print("[+] ihex converted to binary")## Extract code firmware, bruteforce offsetfor i in range(200):    with open('firmware.bin', 'w+b') as g:        g.write(binary[i:])    try:        data = subprocess.run(["lzma", "firmware.bin", "-d", "--stdout"], capture_output=True)        data = data.stdout.decode().split('}',1)        data = data[1][1:]        data = json.loads(data)        print(data)        print("\n[+] Javascript code")        print(data['main.ts'])    except Exception as e:        continue

initreset inithaltdump_image image.bin 0x00000000 0x00040000exit

sudo openocd  -f /home/maki/tools/hardware/openocd/tcl/interface/stlink-v2-1.cfg -f /home/maki/tools/hardware/openocd/tcl/target/nrf51.cfg -f dump_fw.cfg

$ strings image.bin[...]main.py# Add your Python code here. E.g.from microbit import *while True:    display.scroll('Hello, World!')    display.show(Image.HEART)    sleep(1000)    print("coucou")    sleep(2000)