mischard

Pa botten (On the Bottom)

undutmaning

Task: Submarine cable signal with hidden port (Milwaukee Deep = 8380m). Solution: Decode Morse from 33-byte block types (d3=tone, d0=gap, d8=pause), extract base32 flag from full message (requires 30+ second capture).

$ ls tags/ techniques/
morse_codesignal_processingbase32port_discoverygeographic_referencestreaming_datablock_structure
base32_decodingmorse_decodingrun_length_analysisport_guessing_from_contextblock_type_classification
🔒

Permission denied (requires tier.pro)

Sign in to access full writeups

Create a free account with GitHub, then upgrade to Pro.

$ssh [email protected]