competition-custom-protocol-replay

Installation
SKILL.md

Competition Custom Protocol Replay

Use this skill only as a downstream specialization after $ctf-sandbox-orchestrator is already active and has established sandbox assumptions, node ownership, and evidence priorities. If that has not happened yet, return to $ctf-sandbox-orchestrator first.

Use this skill when the hard part is not merely naming the protocol, but reproducing the exact message order and state needed for acceptance.

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Quick Start

  1. Identify client and server roles, session boundaries, and reset conditions before decoding field semantics.
  2. Recover framing, lengths, delimiters, sequence numbers, checksums, nonces, and state transitions before broad replay attempts.
  3. Keep one canonical transcript of a successful exchange.
  4. Change one field or one message at a time while replaying.
  5. Reproduce the smallest accepted conversation that proves the decisive branch.

Workflow

1. Map The Session State Machine

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Installs
9
GitHub Stars
107
First Seen
Mar 31, 2026