stegomedium

Earth Hum

hackerlab

Task: analyze a noisy WAV file where the payload is not visible through metadata or common audio-stego shortcuts. Solution: use Audacity noise reduction, trim the active region, and decode the recovered Morse-like pulses to obtain the flag text.

$ ls tags/ techniques/
noise_profile_reductionmorse_audio_decodingsignal_trimming

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