competition-ad-certificate-abuse

competition-ad-certificate-abuse is a skill for Codex from xAmirHamza77/ReverseOps-Skill. It costs 118 tokens per session (673 once invoked), scanned A, a copy of competition-ad-certificate-abuse, MIT.

A specialized workflow for testing certificate-based privilege paths in an Active Directory Certificate Services lab. Active Directory is Microsoft's system for managing users and computers; certificates can sometimes be used to authenticate as a more privileged identity.

In plain words
What is it for?
Use it in an authorized competition or lab environment to analyze certificate templates, enrollment permissions, EKUs, subject or SAN controls, PKINIT, Schannel, LDAPS, WinRM, and other certificate-based authentication paths.
Why use it?
It helps establish whether a certificate authority, certificate template, permissions, and certificate mapping together create a usable privilege path. It requires the broader CTF sandbox workflow to be active first.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: $skill-name invocation.

Good fit Use it in an authorized competition or lab environment to analyze certificate templates, enrollment permissions, EKUs, subject or SAN controls, PKINIT, Schannel, LDAPS, WinRM, and other certificate-based authentication paths.

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Install with agentmods
npx agentmods add skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse
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 xAmirHamza77/ReverseOps-Skill --skill competition-ad-certificate-abuse
Clone the repo
git clone --depth 1 https://github.com/xAmirHamza77/ReverseOps-Skill

Made for: 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 competition-ad-certificate-abuse

README.md
[![agentmods](https://agentmods.dev/badge/skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse/github.svg)](https://agentmods.dev/skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse)
Your own site
<a href="https://agentmods.dev/skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse"><img src="https://agentmods.dev/badge/skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse/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 competition-ad-certificate-abuse

Your own site · 80×15
<a href="https://agentmods.dev/skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse"><img src="https://agentmods.dev/badge/skills/xamirhamza77/reverseops-skill/competition-ad-certificate-abuse.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 118 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 673 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod 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 $0.00118 $0.00673
Opus 5 $0.00059 $0.00336
Sonnet 5 $0.00024 $0.00135
Haiku 4.5 $0.00012 $0.00067

Measured 12d ago against content hash acb228fae7ec, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

competition-ad-certificate-abuse 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 12d 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.

Origin

This is a copy

100% identical to competition-ad-certificate-abuse — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

CTF-Sandbox/competition-ad-certificate-abuse/SKILL.md · 51 lines

How it starts

The opening of the file, as written. The whole thing — 51 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Competition AD Certificate Abuse

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 identity edge is certificate-based and the hard part is proving how a template or CA policy turns into accepted privilege.

Reply in Simplified Chinese unless the user explicitly requests English.

Quick Start

  1. Identify the CA, template, enrolling principal, and accepting service before diving into every certificate detail.
  2. Separate template enrollability from cert-based authentication or privilege acceptance.
  3. Record EKUs, subject or SAN controls, issuance requirements, enrollment rights, and mapping behavior in compact blocks.
  4. Tie the issued cert to one accepted path: PKINIT, Schannel, LDAPS, WinRM, or another mapped service.
  5. Reproduce the smallest certificate issuance-to-acceptance chain that yields the decisive privilege.

Workflow

1. Map CA And Template Trust

  • Record CA configuration, template name, enrollment permissions, manager approval, authorized signatures, EKUs, subject requirements, and SAN behavior.
  • Note whether the path depends on alternate subject names, UPN, DNS names, enrollment agent behavior, or template supersedence.
  • Keep principal, template, and issuance policy tied together.

2. Prove Cert-To-Privilege Acceptance

  • Show how the issued certificate is mapped or accepted: PKINIT, smartcard logon, Schannel auth, service mapping, or explicit certificate mapping.
  • Record serial, subject, SAN, EKU, validity, and the exact service or domain edge that accepts it.
  • Distinguish certificate issuance from the separate step where privilege is actually granted.

3. Reduce To The Decisive Abuse Chain

  • Compress the path to the smallest sequence: enrollment right or misconfig -> issued cert -> accepted mapping -> resulting privilege.
  • State clearly whether the weakness lives in template config, CA policy, mapping logic, relay path, or enrollment rights.
  • If the task is really about delegation or ticket transformation after PKINIT, switch back to the tighter Kerberos skill.

Read the full file on GitHub · 51 lines

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. 12d ago First seen · 51 lines · 118 tokens per session scan A acb228fae7ec

Subscribe to this mod's changes

competition-ad-certificate-abuse is a skill published in the GitHub repository xAmirHamza77/ReverseOps-Skill (4 stars, last pushed 1mo ago), licensed MIT. It adds 118 tokens to every session and 673 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to competition-ad-certificate-abuse, differing in 0 lines, and is treated as a copy.

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