analyzing-apt-group-with-mitre-navigator

analyzing-apt-group-with-mitre-navigator is a skill for Claude Code from Mikaru0Mystic/sectinel. It costs 48 tokens per session (2,880 once invoked), scanned A, a copy of analyzing-apt-group-with-mitre-navigator, Apache-2.0.

A security-analysis workflow for mapping an advanced persistent threat group's techniques in MITRE ATT&CK Navigator, a tool for visualising how attackers operate.

In plain words
What is it for?
Use it to analyse threat groups, create layered technique heatmaps, support threat hunting, build detection rules, and review security-monitoring coverage.
Why use it?
It helps security teams compare attacker methods with their own monitoring and find gaps where attacks may go undetected.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the cybersecurity-skills plugin — 56 skills shipped together

Good fit Use it to analyse threat groups, create layered technique heatmaps, support threat hunting, build detection rules, and review security-monitoring coverage.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator
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 Mikaru0Mystic/sectinel --skill analyzing-apt-group-with-mitre-navigator
Clone the repo
git clone --depth 1 https://github.com/Mikaru0Mystic/sectinel

Made for: Claude Code.

Or install cybersecurity-skills, the plugin that ships this one along with the rest of its 56 skills.

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 analyzing-apt-group-with-mitre-navigator

README.md
[![agentmods](https://agentmods.dev/badge/skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator/github.svg)](https://agentmods.dev/skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator)
Your own site
<a href="https://agentmods.dev/skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator"><img src="https://agentmods.dev/badge/skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator/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 analyzing-apt-group-with-mitre-navigator

Your own site · 80×15
<a href="https://agentmods.dev/skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator"><img src="https://agentmods.dev/badge/skills/mikaru0mystic/sectinel/analyzing-apt-group-with-mitre-navigator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,880 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 89% 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 $0.00048 $0.02880
Opus 5 $0.00024 $0.01440
Sonnet 5 $0.00010 $0.00576
Haiku 4.5 $0.00005 $0.00288

Measured 12d ago against content hash 796d2bb4f5e5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

analyzing-apt-group-with-mitre-navigator 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/agent.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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

89% identical to analyzing-apt-group-with-mitre-navigator — 9 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.

arsenal/Anthropic-Cybersecurity-Skills/skills/analyzing-apt-group-with-mitre-navigator/SKILL.md · 286 lines

How it starts

The opening of the file, as written. The whole thing — 286 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Analyzing APT Group with MITRE ATT&CK Navigator

Overview

MITRE ATT&CK Navigator is a web-based tool for annotating and exploring ATT&CK matrices, enabling analysts to visualize threat actor technique coverage, compare multiple APT groups, identify detection gaps, and build threat-informed defense strategies. This skill covers querying ATT&CK data programmatically, mapping APT group TTPs to Navigator layers, creating multi-layer overlays for gap analysis, and generating actionable intelligence reports for detection engineering teams.

When to Use

  • When investigating security incidents that require analyzing apt group with mitre navigator
  • When building detection rules or threat hunting queries for this domain
  • When SOC analysts need structured procedures for this analysis type
  • When validating security monitoring coverage for related attack techniques

Prerequisites

  • Python 3.9+ with attackcti, mitreattack-python, stix2, requests libraries
  • ATT&CK Navigator (https://mitre-attack.github.io/attack-navigator/) or local deployment
  • Understanding of ATT&CK Enterprise matrix: 14 Tactics, 200+ Techniques, Sub-techniques
  • Access to threat intelligence reports or MISP/OpenCTI for threat actor data
  • Familiarity with STIX 2.1 Intrusion Set and Attack Pattern objects

Key Concepts

ATT&CK Navigator Layers

Navigator layers are JSON files that annotate ATT&CK techniques with scores, colors, comments, and metadata. Each layer can represent a single APT group's technique usage, a detection capability map, or a combined overlay. Layer version 4.5 supports enterprise-attack, mobile-attack, and ics-attack domains with filtering by platform (Windows, Linux, macOS, Cloud, Azure AD, Office 365, SaaS).

APT Group Profiles in ATT&CK

ATT&CK catalogs over 140 threat groups with documented technique usage. Each group profile includes aliases, targeted sectors, associated campaigns, software used, and technique mappings with procedure-level detail. Groups are identified by G-codes (e.g., G0016 for APT29, G0007 for APT28, G0032 for Lazarus Group).

Read the full file on GitHub · 286 lines

Files

What ships with it

3 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 · 286 lines · 48 tokens per session scan A 796d2bb4f5e5

Subscribe to this mod's changes

analyzing-apt-group-with-mitre-navigator is a skill published in the GitHub repository Mikaru0Mystic/sectinel (11 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 48 tokens to every session and 2,880 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 89% identical to analyzing-apt-group-with-mitre-navigator, differing in 9 lines, and is treated as a copy.

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