elementalsouls/claude-osint · skills/org-attack-surface/SKILL.md

org-attack-surface skillA

Name: org-attack-surface
Author: elementalsouls

org-attack-surface is agent-read markdown (skill) from elementalsouls/claude-osint: Org-grade attack-surface mapping: given a company's legal identity, discover its ENTIRE owned internet footprint — corporate family -> owned domains -> owned netblocks/ASN -> live assets — with attribution discipline, not just DNS breadth. The org-first attribution pyramid (legal entity -> LEI/registration -> corporate family -> owned domains -> owned netblocks/ASN -> live assets). Corporate-identity resolution via the GLEIF LEI API (legal name -> LEI, exact-LEI direct-children expansion, downwa.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version

mdr add elementalsouls/claude-osint/org-attack-surface@v1

Exact content

mdr add elementalsouls/claude-osint/org-attack-surface@sha256:c42d2b490ec0f513

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

[![mdr](https://markdownregistry.com/badge/art_7phldvgbdld4w46h.svg)](https://markdownregistry.com/a/art_7phldvgbdld4w46h)

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Versions

version	committed	commit	size	audit
v1 latest	2026-08-24	f4acf9e	64,123 B	A	view · diff
v1	2026-08-10	66ffd91	64,071 B	A	view · diff
v1	2026-08-06	5677cb6	64,061 B	A	view · diff
v1	2026-08-06	e0fef8b	64,064 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Deterministic, no model, same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (64123 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

elementalsouls/claude-osint · 2,543 stars · license MIT · pushed 2026-08-30 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_7phldvgbdld4w46h
GET https://markdownregistry.com/api/v1/resolve?ref=elementalsouls/claude-osint/org-attack-surface
GET https://markdownregistry.com/api/v1/blob/c42d2b490ec0f5136c6abf0a080fe09798bce9bdd6edb4d3520361a771a81965