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.
npx skills add Youngmaidainon/Agent-Level-Up --skill conducting-pass-the-ticket-attackgit clone --depth 1 https://github.com/Youngmaidainon/Agent-Level-UpWrote 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.
[](https://agentmods.dev/skills/youngmaidainon/agent-level-up/conducting-pass-the-ticket-attack)<a href="https://agentmods.dev/skills/youngmaidainon/agent-level-up/conducting-pass-the-ticket-attack"><img src="https://agentmods.dev/badge/skills/youngmaidainon/agent-level-up/conducting-pass-the-ticket-attack/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.
<a href="https://agentmods.dev/skills/youngmaidainon/agent-level-up/conducting-pass-the-ticket-attack"><img src="https://agentmods.dev/badge/skills/youngmaidainon/agent-level-up/conducting-pass-the-ticket-attack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00085 | $0.00925 |
| Opus 5 | $0.00043 | $0.00463 |
| Sonnet 5 | $0.00017 | $0.00185 |
| Haiku 4.5 | $0.00009 | $0.00093 |
Grade A, and why
conducting-pass-the-ticket-attack 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 6d ago.
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.
This is a copy
89% identical to conducting-pass-the-ticket-attack — 4 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.
How it starts
The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Conducting Pass-the-Ticket Attack
Legal Notice: This skill is for authorized security testing and educational purposes only. Unauthorized use against systems you do not own or have written permission to test is illegal and may violate computer fraud laws.
Overview
Pass-the-Ticket (PtT) is a lateral movement technique that uses stolen Kerberos tickets (TGT or TGS) to authenticate to services without knowing the user's password. By extracting Kerberos tickets from memory (LSASS) on a compromised host, an attacker can inject those tickets into their own session to impersonate the ticket owner and access resources as that user.
When to Use
- When conducting security assessments that involve conducting pass the ticket attack
- When following incident response procedures for related security events
- When performing scheduled security testing or auditing activities
- When validating security controls through hands-on testing
Prerequisites
- Familiarity with red teaming concepts and tools
- Access to a test or lab environment for safe execution
- Python 3.8+ with required dependencies installed
- Appropriate authorization for any testing activities
MITRE ATT&CK Mapping
- T1550.003 - Use Alternate Authentication Material: Pass the Ticket
- T1003.001 - OS Credential Dumping: LSASS Memory
- T1558 - Steal or Forge Kerberos Tickets
- T1021.002 - Remote Services: SMB/Windows Admin Shares
Workflow
Phase 1: Ticket Extraction
- Gain local admin access on target workstation
- Dump Kerberos tickets from LSASS memory using Mimikatz or Rubeus
- Export tickets in .kirbi format (Mimikatz) or base64 (Rubeus)
- Identify high-value tickets (Domain Admin TGTs, service tickets to critical systems)
Phase 2: Ticket Injection
- Purge existing Kerberos tickets from attacker session
- Import/inject stolen ticket into current session
- Verify ticket is loaded and valid
- Access target resources using injected ticket
Phase 3: Lateral Movement
- Access remote systems using the stolen ticket identity
- Perform actions as the impersonated user
- Collect additional credentials from accessed systems
- Document evidence of successful lateral movement
What ships with it
6 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.
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.
- 6d ago First seen · 106 lines · 85 tokens per session scan A 8de0ea7dbdc7
conducting-pass-the-ticket-attack is a skill published in the GitHub repository Youngmaidainon/Agent-Level-Up (3 stars, last pushed 15d ago), licensed MIT. It adds 85 tokens to every session and 925 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 89% identical to conducting-pass-the-ticket-attack, differing in 4 lines, and is treated as a copy.
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