reversemedium
Patona
ASIS CTF
Task: Decode a flag from flag.raw file generated by an APT encoder binary. Solution: Reverse-engineered the NOAA APT signal format, extracted envelope from AM-modulated signal using 3 samples per pixel, and decoded Image A region to reveal the flag.
$ ls tags/ techniques/
apt_decodingam_demodulationenvelope_extraction
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