chain

A security command that looks for multiple bugs that can be combined into one more serious attack path. An exploit chain is a sequence where one weakness enables the next.

In plain words
What is it for?
Use it to explore chains such as IDOR to account takeover, SSRF to cloud metadata, or leaked storage files to exposed credentials.
Why use it?
It helps security researchers assess the combined impact of separate findings instead of judging each bug alone.

Command for Codex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/guib1/red-team-docker/chain
Clone the repo
git clone --depth 1 https://github.com/guib1/red-team-docker

Made for: Codex.

Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,399 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.01399
Opus 5 $0.00000 $0.00700
Sonnet 5 $0.00000 $0.00280
Haiku 4.5 $0.00000 $0.00140

Measured 2d ago against content hash ab9950ab8a18, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

chain scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Cloud metadata endpointmediumServer-side request forgery

One request to 169.254.169.254 can return temporary IAM credentials.

2. Try internal IPs: 169.254.169.254, 10.x.x.x, 172.16.x.x

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

pentest-lab/.agents/skills/bug-bounty/commands/chain.md · 135 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 135 lines · 0 tokens per session scan B ab9950ab8a18

Subscribe to this mod's changes

chain is a command published in the GitHub repository guib1/red-team-docker (1 stars, last pushed 4mo ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 1,399 tokens. A static security scan graded it B with 1 finding (cloud metadata endpoint). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.