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competition-linux-credential-pivot

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更新日2026年5月24日 11:23

Internal downstream skill for ctf-sandbox-orchestrator. CTF-sandbox workflow for Linux credential artifacts, service tokens, SSH material, cloud and container secrets, socket-level trust, and host-to-host pivot chains. Use when the user asks to trace Linux auth artifacts, accepted token or key replay, socket or service-account trust edges, sudo or capability abuse, or explain lateral movement across Linux challenge nodes. Use only after `$ctf-sandbox-orchestrator` has already established sandbox assumptions and routed here.

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zhaoxuya520

zhaoxuya520/reverse-skill

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Competition Linux Credential Pivot

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 decisive edge is Linux credential material and where that material is accepted.

Reply in Simplified Chinese unless the user explicitly requests English.

Quick Start

Separate credential storage from accepted privilege.
Record user, process, namespace, socket, key file, and service trust boundary before conclusions.
Keep artifact recovery, replay path, and resulting capability in one chain.
Distinguish local escalation from lateral host pivot.
Reproduce one minimal artifact-to-accepted-access path.

Workflow

1. Map Credential And Trust Artifacts

Record SSH keys, agent sockets, kubeconfigs, cloud tokens, service-account secrets, env vars, config files, and process memory clues.
Note sudoers rules, capabilities, setuid binaries, systemd unit context, and namespace boundaries.
Keep each artifact tied to owner, scope, and expected accepting service.

2. Prove Replay And Pivot

Show where key, token, socket, or secret is accepted: SSH, API, Unix socket, container runtime, or control-plane endpoint.
Record host target, protocol, principal, and resulting session or privilege.
Distinguish authentication success from useful capability gain.

3. Reduce To Decisive Linux Pivot Chain

Compress to: recovered artifact -> accepted replay path -> pivot host or privilege transition -> resulting capability.
State whether root cause is weak key handling, token leakage, socket trust, sudo or capability abuse, or namespace crossover.
If the chain pivots into kernel exploit boundaries, hand off to kernel container escape skill.

Read This Reference

Load references/linux-credential-pivot.md for artifact checklists, replay matrix, and evidence packaging.

What To Preserve

Artifact path, owner, scope, accepting service, and resulting principal
Exact pivot order with protocol and target host or namespace
One minimal replayable chain proving capability gain

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name

competition-linux-credential-pivot

description

Competition Linux Credential Pivot

Use this skill when the decisive edge is Linux credential material and where that material is accepted.

Reply in Simplified Chinese unless the user explicitly requests English.

Quick Start

Separate credential storage from accepted privilege.
Record user, process, namespace, socket, key file, and service trust boundary before conclusions.
Keep artifact recovery, replay path, and resulting capability in one chain.
Distinguish local escalation from lateral host pivot.
Reproduce one minimal artifact-to-accepted-access path.

Workflow

1. Map Credential And Trust Artifacts

Record SSH keys, agent sockets, kubeconfigs, cloud tokens, service-account secrets, env vars, config files, and process memory clues.
Note sudoers rules, capabilities, setuid binaries, systemd unit context, and namespace boundaries.
Keep each artifact tied to owner, scope, and expected accepting service.

2. Prove Replay And Pivot

Show where key, token, socket, or secret is accepted: SSH, API, Unix socket, container runtime, or control-plane endpoint.
Record host target, protocol, principal, and resulting session or privilege.
Distinguish authentication success from useful capability gain.

3. Reduce To Decisive Linux Pivot Chain

Compress to: recovered artifact -> accepted replay path -> pivot host or privilege transition -> resulting capability.
State whether root cause is weak key handling, token leakage, socket trust, sudo or capability abuse, or namespace crossover.
If the chain pivots into kernel exploit boundaries, hand off to kernel container escape skill.

Read This Reference

Load references/linux-credential-pivot.md for artifact checklists, replay matrix, and evidence packaging.

What To Preserve

Artifact path, owner, scope, accepting service, and resulting principal
Exact pivot order with protocol and target host or namespace
One minimal replayable chain proving capability gain