competition-firmware-layout
Competition Firmware Layout
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 understanding how a firmware image is structured, booted, updated, and turned into reachable device behavior.
Reply in Simplified Chinese unless the user explicitly requests English.
Quick Start
- Preserve the original image, extracted partitions, unpacked filesystems, and patched copies as separate artifacts.
- Map outer container, partition table, bootloader, kernel, rootfs, config, and update metadata before editing anything.
- Track the boot or update chain in order instead of jumping straight to the most interesting file.
- Record keys, signatures, offsets, partition boundaries, and init entrypoints in one compact evidence chain.
- Reproduce the decisive secret, branch, or reachable service from the smallest extracted path.
Workflow
1. Establish Image Layout
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