hardwareeasy/medium
Bare Metal
hackthebox
Task: Analyze ATmega328p firmware dump to find what data was sent to a slave device. Solution: Disassemble Intel HEX firmware, identify bit-banged SPI pattern (MOSI/SCK triplets), decode transmitted bytes to reveal the flag.
$ ls tags/ techniques/
avr_disassemblyspi_bitbang_decodingintel_hex_conversiongpio_pattern_recognitionspi_mode0_analysis
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