Night Track:- I Boot when U-Boot by Vincent Ruijter

In this talk, we will demonstrate and describe the inner-workings of a custom developed (Fully Weaponised IoT CyberTM) bootkit, which gains persistence on U-Boot based embedded devices, at a lower level than even the firmware. Firmware updates and factory resets usually do not interfere with the bootloader, as a small problem could render the device unusable for an end-user: the bootkit will, therefore, remain present. By including a properly …