pentest-network-internal

pentest-network-internal is a skill for Claude Code, Codex from jd-opensource/JoySafeter. It costs 20 tokens per session (251 once invoked), scanned A, original, Apache-2.0.

A guided assessment of an internal company network, including Windows Active Directory, the system used to manage users and computers. It simulates how an attacker could discover systems, use weak credentials, and move between machines.

In plain words
What is it for?
Use it to map internal hosts and ports, inspect services, check known vulnerabilities and default credentials, review Active Directory users and groups, and simulate movement between authorized systems.
Why use it?
It helps find exposed services, weak passwords, unsafe settings, and paths to important systems before a real attacker uses them.

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/jd-opensource/joysafeter/pentest-network-internal
Any agent
npx skills add jd-opensource/JoySafeter --skill pentest-network-internal
Clone the repo
git clone --depth 1 https://github.com/jd-opensource/JoySafeter

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for pentest-network-internal

README.md
[![agentmods](https://agentmods.dev/badge/skills/jd-opensource/joysafeter/pentest-network-internal.svg)](https://agentmods.dev/skills/jd-opensource/joysafeter/pentest-network-internal)
Your own site
<a href="https://agentmods.dev/skills/jd-opensource/joysafeter/pentest-network-internal"><img src="https://agentmods.dev/badge/skills/jd-opensource/joysafeter/pentest-network-internal.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 251 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00020 $0.00251
Opus 5 $0.00010 $0.00125
Sonnet 5 $0.00004 $0.00050
Haiku 4.5 $0.00002 $0.00025

Measured 5d ago against content hash 4f1db1ef34a8, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

pentest-network-internal scanned grade A with 0 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 5d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/pentest-network-internal/SKILL.md · 22 lines

What it actually says

Pentest Network Internal

Purpose

Simulate an internal attacker to identify weak credentials, misconfigured services, and Active Directory paths to high-value assets.

Core Workflow

  1. Network Discovery: Map the internal network, live hosts, and open ports using nmap and masscan.
  2. Service Enumeration: Identify running services, versions, and potential entry points (SMB, RDP, SSH, etc.).
  3. Vulnerability Scanning: Check for known service vulnerabilities (e.g., EternalBlue, ZeroLogon) using nuclei and nmap-scripts.
  4. Credential Auditing: Test weak passwords and default credentials using hydra and netexec (CrackMapExec).
  5. Active Directory Enum: Map AD trust relationships, users, and groups using bloodhound and ldapdomaindump.
  6. Lateral Movement: Simulate movement between hosts using valid credentials or exploits.

References

  • references/tools.md
  • references/workflows.md
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 5d ago First seen · 22 lines · 20 tokens per session scan A 4f1db1ef34a8

Subscribe to this mod's changes

pentest-network-internal is a skill published in the GitHub repository jd-opensource/JoySafeter (306 stars, last pushed yesterday), licensed Apache-2.0. It adds 20 tokens to every session and 251 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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