# Kerberos Attacks

> Skills for Kerberos-based attacks in Active Directory including Kerberoasting and AS-REP Roasting.

- Skill: `omkar-ukirde/kerberos-attacks` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add omkar-ukirde/kerberos-attacks`
- Raw SKILL.md: https://api.skillmd.com/api/skills/omkar-ukirde/kerberos-attacks/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: omkar-ukirde (https://skillmd.com/u/omkar-ukirde)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/omkar-ukirde/kerberos-attacks

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# Kerberos Attacks

Kerberos protocol exploitation in Active Directory environments.

## Skills

- [Kerberoast](references/kerberoast.md) - Service account TGS ticket cracking
- [AS-REP Roast](references/asreproast.md) - Pre-auth disabled accounts

## Quick Reference

| Attack | Hash Mode | Target |
|--------|-----------|--------|
| Kerberoast | 13100 (RC4), 19700 (AES256) | Service accounts with SPN |
| AS-REP Roast | 18200 | Accounts without preauth |