PACTF_2018: Beats By Dr. K

Category: Lovelace Points: 55 Description:

Dr. K just released her new EP — download her track now!

Write-up

Using a spectrogram, we get this image of a weirdly pattern-like structure,

screenshot

Manually encoding this because we are bad at programming, we get the binary,

01100110011011000110000101100111011010010111001101110000011000010110001101110100011001100110110101110101011100110110100101100011

Converting it, we get the flag.

# rax2 -b 01100110011011000110000101100111011010010111001101110000011000010110001101110100011001100110110101110101011100110110100101100011
pactfmusic

Therefore, the flag is pactfmusic.

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