novaestellar/novahaku · testing/hunt/hunt-saml/SKILL.md

hunt-saml skillA

hunt-saml is agent-read markdown (skill) from novaestellar/novahaku: Hunt SAML / SSO attacks. Patterns: XML Signature Wrapping (XSW) — modify Assertion while keeping Signature valid by relocating signed element, comment injection in NameID (admin@target.com<!--evil-->@attacker.com → some parsers see admin@target.com), signature stripping (remove Signature element entirely, server should reject but doesn't), key confusion (signed by attacker's IdP, accepted by SP), audience-restriction not validated, replay attack (same Assertion accepted twice within validity win.

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 novaestellar/novahaku/hunt-saml@git:20260910.546fe86
Exact content
mdr add novaestellar/novahaku/hunt-saml@sha256:5c41f374be17092d

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 badge

[![mdr](https://markdownregistry.com/badge/art_k5kyjjie75meityu.svg)](https://markdownregistry.com/a/art_k5kyjjie75meityu)

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Versions

versioncommittedcommitsizeaudit
git:20260910.546fe86 latest2026-09-10 546fe86 6,757 BA view · diff
git:20260903.29924dd2026-09-03 29924dd 6,769 BA view · diff
git:20260903.fa855c42026-09-03 fa855c4 6,740 BA 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 (6757 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

novaestellar/novahaku · 24 stars · license none · pushed 2026-09-10 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_k5kyjjie75meityu
GET https://markdownregistry.com/api/v1/resolve?ref=novaestellar/novahaku/hunt-saml
GET https://markdownregistry.com/api/v1/blob/5c41f374be17092d17f49f65110e7c5ad7c2a4480b11f6d960a9e1d7cb652797

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.