$ ctf42

irondrop

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skyv3il

A decommissioned space relay is still forwarding “secure” command traffic through a hardened Android client. The app is packed with anti-root and anti-instrumentation checks, and it speaks a custom binary protocol over raw TCP.

Your mission: reverse the client, reproduce the protocol logic, gain privileged access to the relay inbox, and extract the classified transmission The app doesn't run in unsafe environments.

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