offensive-phishing SKILL.md skillB
offensive-phishing from miosa-osa/osa is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add miosa-osa/osa/offensive-phishing@git:20260913.e13b6b8Pins git:20260913.e13b6b8 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- B, 16 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- miosa-osa/osa
- Path
priv/skills/offensive-phishing/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260913.e13b6b8, committed Sep 13, 2026
- Size
- 20,219 bytes
- Repository stars
- 78
- License
- Apache-2.0
Phishing campaign execution methodology for authorized red team engagements. Covers end-to-end campaign lifecycle: infrastructure provisioning (GoPhish, SMTP relay configuration, domain acquisition and aging, SPF/DKIM/DMARC alignment), payload delivery vectors (Office macro weaponization, HTA droppers, ISO/IMG container abuse, LNK shortcut hijacking, OneNote embedded payloads, HTML smuggling), email authentication bypass techniques (SPF softfail exploitation, DKIM replay attacks, display name…
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Offensive Phishing Phishing remains the most reliable initial access vector in red team engagements. You are simulating a real adversary -- your infrastructure, pretexts, and payloads must withstand the same scrutiny that a targeted organization's email security stack applies to inbound mail. This skill walks you through building campaigns that test an organization's human and technical defenses against email-based social engineering. Every technique here assumes you hold explicit written authorization. Document your scope, target lists, and escalation procedures before sending the first email. ## Quick Workflow 1. Register a lookalike domain 4-8 weeks before the engagement; configure DNS records for SPF, DKIM, and DMARC alignment. 2. Stand up GoPhish on dedicated infrastructure; configure SMTP relay through a reputable provider or self-hosted MTA. 3. Develop pretexts based on OSINT -- org announcements, vendor relationships, internal processes. 4. Build or clone landing pages; deploy EvilGinx2 phishlets if MFA bypass is in scope. 5. Craft payloads matched to the target's email security posture (macro-enabled docs, HTML smuggling, ISO containers). …
Read the whole file at its exact version.
How to install
mdr add miosa-osa/osa/offensive-phishing@sha256:24e34a0c617bf48eThe line at the top of this page pins the label git:20260913.e13b6b8, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_5if7omqi2smn44er)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 13, 2026.
Audit of the latest version
- fail: No script tag (matched: <script)
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (20219 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
Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.
Source
miosa-osa/osa · 78 stars · license Apache-2.0 · pushed 2026-10-29 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_5if7omqi2smn44er GET https://markdownregistry.com/api/v1/resolve?ref=miosa-osa/osa/offensive-phishing GET https://markdownregistry.com/api/v1/blob/24e34a0c617bf48e4fe11b7325af1c5408e8ccf2eaef3dbd0d4512ce2ea74ad9
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.