3 ms·
given that there is no dev mode or ssh server running on a console, how do they even read low level binary code such as boot loader? Do they transplant memory
by nopurpose 10mo ago
given that there is no dev mode or ssh server running on a console, how do they even read low level binary code such as boot loader? Do they transplant memory chips?
- MSFT_Edging 10mo agoChip-off is a common way to retrieve the ROM of embedded devices. It often requires multiple chip-off reads and a reconstruction of the striped data across the chips.
- bri3d 10mo agoIn this case, by using fault injection to induce a glitch into a test mode which bypasses secure boot and loads code from SPI, combined with a SPI emulator (and I2C to send the boot vectors). https://m.youtube.com/watch?v=cVJZYT8kYsI https://m.youtube.com/watch?v=cVJZYT8kYsI