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ad-discovery

ad-discovery is a skill for Claude Code, Codex from blacklanternsecurity/red-run. It costs 17 tokens per session (7,686 once invoked), scanned B, original, AGPL-3.0.

An authorized penetration-testing skill for mapping Active Directory, the Windows system that manages users, computers, and permissions. It enumerates domains and identifies the systems and relationships that make up the environment's attack surface.

In plain words
What is it for?
Use it to discover Active Directory domains and assess their exposed accounts, systems, relationships, and potential attack paths during a permitted test.
Why use it?
Active Directory environments can contain many connected accounts, computers, and permissions that are difficult to review manually. Mapping them helps reveal areas that need security attention.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

not rated 302repo +2 14d ago B scan 17 tokens AGPL-3.0

Good fit Use it to discover Active Directory domains and assess their exposed accounts, systems, relationships, and potential attack paths during a permitted test.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/blacklanternsecurity/red-run/ad-discovery
View source ↗ blacklanternsecurity/red-run
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.

Any agent
npx skills add blacklanternsecurity/red-run --skill ad-discovery
Clone the repo
git clone --depth 1 https://github.com/blacklanternsecurity/red-run

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 ad-discovery

README.md
[![agentmods](https://agentmods.dev/badge/skills/blacklanternsecurity/red-run/ad-discovery/github.svg)](https://agentmods.dev/skills/blacklanternsecurity/red-run/ad-discovery)
Your own site
<a href="https://agentmods.dev/skills/blacklanternsecurity/red-run/ad-discovery"><img src="https://agentmods.dev/badge/skills/blacklanternsecurity/red-run/ad-discovery/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ad-discovery

Your own site · 80×15
<a href="https://agentmods.dev/skills/blacklanternsecurity/red-run/ad-discovery"><img src="https://agentmods.dev/badge/skills/blacklanternsecurity/red-run/ad-discovery.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,686 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00017 $0.07686
Opus 5.5 $0.00007 $0.03074
Sonnet 5.5 $0.00003 $0.01537
Haiku 4.5 $0.00002 $0.00769

Measured 2mo ago against content hash 2c92cccd9019, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

ad-discovery scanned grade B 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 2mo 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.

Harvests environment variablesmediumData exfiltration

Enumerating or grepping the environment for keys collects credentials unrelated to what the mod says it does.

credentials, DC IP, domain name. Do not dump credentials inline.

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

Asks for rootlowPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

requires sudo which subagents cannot run.

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

skills/ad/ad-discovery/SKILL.md · 793 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

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. 2mo ago First seen · 793 lines · 17 tokens per session scan B 2c92cccd9019

Subscribe to this mod's changes

ad-discovery is a skill published in the GitHub repository blacklanternsecurity/red-run (302 stars, last pushed 14d ago), licensed AGPL-3.0. It adds 17 tokens to every session and 7,686 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 2 findings (harvests environment variables, asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

AD reconSecurityactive-directorybloodhounddomain controllersdomain enumerationenumerate domainfind attack pathskerberosmachine account default passwordnetexec modulespre-created computer accountspre2k
Related

ad-discovery compared with skills from other repositories

ad-discovery next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
ad-discoveryblacklanternsecurity/red-runSkill30214d agoAGPL-3.0B17Claude Code, Codex
active-directory-full-attack-chainShulkwiSEC/bb-hugeSkill263mo agoMITA96Claude Code, Codex
ad-reconDouglasRao/Claude-Pentest-SkillsSkill127mo agoMITB100Claude Code
active-directory-full-attack-chainakashrpatil/awesome-offensive-security-skillsSkill166mo agoApache-2.0A96Claude Code
deploying-active-directory-honeytokensxalgorix/xalgorixSkill1.3kyesterdayApache-2.0A101Claude Code, Codex
deploying-active-directory-honeytokens26zl/cybersec-toolkitSkill894d agoMITA101Claude Code
conducting-internal-reconnaissance-with-bloodhound-ce26zl/cybersec-toolkitSkill894d agoMITA44Claude Code