command-execution

Command-running guidance for authorized penetration testing, which is security testing performed with permission. It covers command execution on Windows and Linux systems, common security checks, and ways to reduce detection during an assessment.

In plain words
What is it for?
Use it to run commands on Windows or Linux test systems, perform common security checks, and follow assessment practices intended to avoid detection.
Why use it?
It provides security-focused practices for running system commands during an assessment instead of treating command execution as a general-purpose task.

Skill for Claude CodeCodex

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 skills/iammm0/secbot/command-execution
Any agent
npx skills add iammm0/secbot --skill command-execution
Clone the repo
git clone --depth 1 https://github.com/iammm0/secbot

Made for: Claude Code, Codex.

Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 915 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 2 findings. 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 $0.00045 $0.00915
Opus 5 $0.00023 $0.00458
Sonnet 5 $0.00009 $0.00183
Haiku 4.5 $0.00005 $0.00092

Measured yesterday against content hash fe0337e19c2f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

command-execution scanned grade A with 2 findings 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 yesterday.

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.

Sends data to an external URLlowData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

curl -X POST -d "param=value" http://target

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

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

# curl basic
skills/base/command-execution/SKILL.md · 216 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. yesterday First seen · 216 lines · 45 tokens per session scan A fe0337e19c2f

Subscribe to this mod's changes

command-execution is a skill published in the GitHub repository iammm0/secbot (73 stars, last pushed 16d ago), with no licence file. It adds 45 tokens to every session and 915 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 2 findings (sends data to an external url, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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