- #Fun hacks for mac terminal 2018 upgrade#
- #Fun hacks for mac terminal 2018 pro#
- #Fun hacks for mac terminal 2018 password#
Running Kubernetes on your Raspberry Pi.A practical guide to home automation using open source tools.6 open source tools for staying organized.An introduction to programming with Bash.A guide to building a video game with Python.Otherwise, these ESP8266 SoCs are low-cost, quite powerful, easy to program and benefit from an active open source community. And QA, management… totally OK with that? So then, I can imagine what these guys think about security. Really funny to imagine how the guys in charge can propose brown tape to insulate hazardous voltages during a meeting…. Here, it is interesting to see two different lightbulbs, having two different hardware designs based on the same SoC, and coming from two different manufacturers, embeds exactly the same firmware. Firmware is 99% same than the previous device. Oh maaaan…I understand why this is not CE compliant. The entire body (the grey one on the picture) encapsulating the electronic device is in metal (and it is conductive, I confirm with a multimeter). The AC/DC converter is insulated with paper tape (like the one to close a carton box). Top PCB can be easily removed (just glued).Īlso based on ESP8266. Here a little PoC to shut down the light, even when the app is open: Time to sleep… MQTT messages can be sent to the bulb over Wi-Fi. To control the device, I use the tuyapi repository and a node.js script with the retrieved deviceID, localKey, and lightbulb IP. It consists to do the opposite of the teardown. I did a little bit of reverse manually but too limited…īig pain, no gain here….
#Fun hacks for mac terminal 2018 pro#
My IDA pro v7.0 was in trouble with this image. Special mention to this guy able to reverse the entire bootROM. I tried a dedicated plugin here, read some articles here and here. Reversing the firmwareĮSP8266 is based on Tensilica Xtensa architecture. Once the deviceID and the LocalKey are in your pocket, it allows you to control the device. The local key is certainly requested to access to the Tuya Cloud.Ī complete MQTT client is running inside this lightbulb. The deviceID is a 20 characters strings finishing by the MAC address of the device. More interesting, the deviceID and the LocalKey are also stored in Plaintext. Vulnerability n*2: DeviceID and Local key stored in plaintext too
#Fun hacks for mac terminal 2018 password#
The download mode is set by grounding the IO0, as indicated in the datasheet:ĭumping firmware… Vulnerability n*1: Wi-Fi Password stored in plaintext Dumping the firmwareĮSP8266 is a little SoC from ESPRESSIF, pretty well documented thanks to open source community.ĭatasheet is here and nice open source tools are here. Interesting details about the boot process, the SDK version, the MQTT client connection… always helpful. Timer_schema.c:514 ws_db_get_timer_posix op_ret:28
#Fun hacks for mac terminal 2018 upgrade#
Smart_wf_frame.c:3712 firmware self detect upgrade start… Mqtt_client.c:450 gw wifi stat is:5Ĭonnected with LIMITED_RESULTS_SSID, channel 6 User_main.c:305 tuya sdk compiled at 01:02:51 User_main.c:302 fireware info name:esp_color_light_xwx version:1.4.1 The baudrate is weird due to the 26MHz Quartz used by the ESP8266.
To obtain log messages during the boot, I attach the COM port to the terminal Coolterm (74880 8N1). UART TX, RX, GND on the lower left corner, 3.3V on the top, and a flying wire connected to IO0 to control the boot mode.
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