JFFS + Update SPI/I2C

pull/25/head
Swissky 2024-05-11 19:31:29 +02:00
parent d05af078c3
commit 6518bbc4b0
6 changed files with 73 additions and 38 deletions

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@ -186,16 +186,17 @@ The closest common baudrate is : 115200. COnfigure the decoder and you should se
### Interact with UART ### Interact with UART
Different command line tools to interact with UART: * Command line tools to interact with UART:
```powershell ```powershell
cu -l /dev/ttyUSB0 -s 115200 cu -l /dev/ttyUSB0 -s 115200
microcom -d -s 115200 -p /dev/ttyUSB0 microcom -d -s 115200 -p /dev/ttyUSB0
minicom -b 115200 -o -D /dev/ttyUSB0 # To exit GNU screen, type Control-A k minicom -b 115200 -o -D /dev/ttyUSB0 # To exit GNU screen, type Control-A k
screen /dev/ttyUSB0 115200 screen /dev/ttyUSB0 115200
miniterm.py /dev/ttyUSB0 115200 | tee ./stuff.log # tee command to save output, useful for parsing
``` ```
Script to brute force a password protected UART: * Brute force a password protected UART:
```python ```python
import serial, time import serial, time
port = "/dev/ttyUSB0" port = "/dev/ttyUSB0"
@ -214,6 +215,15 @@ with open('/home/audit/Documents/IOT/passwords.lst', 'r') as f:
time.sleep(10) time.sleep(10)
``` ```
* Interact with HydraBus
```ps1
uart1> scan
uart1> show
uart1> speed 38400
uart1> bridge
```
## UART over BLE ## UART over BLE

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@ -180,6 +180,12 @@ Emulate : `qemu-system-avr -S -s -nographic -serial tcp::5678,server=on,wait=off
sudo unsquashfs -f -d /media/seagate /tmp/file.squashfs sudo unsquashfs -f -d /media/seagate /tmp/file.squashfs
``` ```
* [onekey-sec/jefferson](https://github.com/onekey-sec/jefferson/) - JFFS2 filesystem extraction tool
```ps1
pip install jefferson
jefferson filesystem.img -d outdir
jefferson file.jffs2 -d jffs2
```
## Write new firmware ## Write new firmware
@ -197,10 +203,10 @@ Emulate : `qemu-system-avr -S -s -nographic -serial tcp::5678,server=on,wait=off
## Type of firmware ## Type of firmware
* SREC - Motorola S-Record : All S-record file lines start with a capital S. * `SREC` - Motorola S-Record : All S-record file lines start with a capital S.
* Intel HEX lines all start with a colon. * `Intel HEX` lines all start with a colon.
* TI-TXT is a Texas Instruments format, usually for the MSP430 series. Memory addresses are prepended with an **@**, and data is represented in hex. * `TI-TXT` is a Texas Instruments format, usually for the MSP430 series. Memory addresses are prepended with an **@**, and data is represented in hex.
* Raw NAND dumps * `Raw` NAND dumps
## Check entropy ## Check entropy

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@ -177,12 +177,15 @@ ubertooth-btle -U 2 -A 39 -f -c bulb_39.pcap
### Using Android HCI ### Using Android HCI
Enable the Bluetooth HCI log on the device via Developer Options—also from the SDK, there is a helpful tool called the **Bluetooth HCI snoop log** (available after version 4.4) Enable the Bluetooth HCI log on the device via Developer Options.
> It works like a hook in the stack to capture all the HCI packets in a file. For most Android devices, the log file is at `/sdcard/btsnoop_hci.log` or `/sdcard/oem_log/btsnoop/` > It works like a hook in the stack to capture all the HCI packets in a file. For most Android devices, the log file is at `/sdcard/btsnoop_hci.log` or `/sdcard/oem_log/btsnoop/`
```powershell ```powershell
$ adb devices
$ adb pull /sdcard/oem_log/btsnoop/<your log file>.log $ adb pull /sdcard/oem_log/btsnoop/<your log file>.log
$ adb pull /sdcard/btsnoop_hci.log
$ adb bugreport filename
``` ```

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@ -22,6 +22,12 @@ I2C (Inter-Integrated Circuit), pronounced "I-squared-C" or "I-two-C", is a popu
sudo make install sudo make install
``` ```
* HydraBus
```ps1
i2c1> show pins
i2c1> scan
```
## Read / Write ## Read / Write

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@ -30,11 +30,15 @@ SPI mainly involves four lines or wires:
## Dump Firmware via SPI ## Dump Firmware via SPI
Dump using a Raspberry Pi
```powershell ```powershell
sudo raspi-confi > Interface > SPI(P4) sudo raspi-confi > Interface > SPI(P4)
NOTE: might need a press/hold the reset button # NOTE: might need a press/hold the reset button
# check # check
sudo flashrom -p linux spi:dev=/dev/spidev0.0,spispeed=1000 sudo flashrom -p linux spi:dev=/dev/spidev0.0,spispeed=1000
# dump # dump
sudo flashrom -p linux spi:dev=/dev/spidev0.0,spispeed=1000 -r dump.bin sudo flashrom -p linux spi:dev=/dev/spidev0.0,spispeed=1000 -r dump.bin
``` ```
@ -45,6 +49,12 @@ An ESP8266 and ESP32 have several SPI busses available in hardware, SPI0 is hook
$ python ./esptool.py read_flash --spi-connection HSPI 0 0x400000 flash_dump.bin $ python ./esptool.py read_flash --spi-connection HSPI 0 0x400000 flash_dump.bin
``` ```
Dump with HydraBus
```ps1
flashrom --programmer serprog:dev=/dev/ttyACM0,spispeed=2M -c "MX25L12833F" --progress -r /tmp/image.bin
```
## SPIFFS ## SPIFFS