Reverse Engineering
A guide to reverse engineering the ESP8266 internal ROM
http://www.ratzzo.net/magic/firmware_disasm.txt
https://github.com/jsandin/esp-bin2elf
https://boredpentester.com/reversing-esp8266-firmware-part-4/
https://boredpentester.com/reversing-esp8266-firmware-part-6/
IDA
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