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- Add scripts/agent.py and references/api-reference.md to all remaining skills - Update all 648 LICENSE files: copyright now reads 'Mahipal' - Add implementing-security-monitoring-with-datadog (new skill with full anatomy) - All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md
43 lines
1.6 KiB
Markdown
43 lines
1.6 KiB
Markdown
# Pass-the-Ticket Detection — API Reference
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## Libraries
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| Library | Install | Purpose |
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|---------|---------|---------|
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| impacket | `pip install impacket` | Kerberos ticket manipulation (ticketer.py, getST.py) |
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| ldap3 | `pip install ldap3` | AD LDAP queries for SPN and account enumeration |
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| pySigma | `pip install pySigma` | Sigma rule parsing and conversion |
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## Key Windows Event IDs
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| Event ID | Description | Relevance |
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|----------|-------------|-----------|
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| 4768 | Kerberos TGT request | Golden ticket detection (RC4 = 0x17) |
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| 4769 | Kerberos service ticket request | Silver ticket / Kerberoasting |
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| 4770 | Kerberos service ticket renewed | Ticket reuse indicator |
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| 4771 | Kerberos pre-auth failed | Password spray detection |
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| 4624 | Successful logon | Correlate with ticket usage |
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## Encryption Type Constants
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| Value | Algorithm | Concern |
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|-------|-----------|---------|
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| 0x17 | RC4-HMAC | Downgrade attack indicator |
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| 0x12 | AES-256 | Expected modern encryption |
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| 0x11 | AES-128 | Acceptable encryption |
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## MITRE ATT&CK Mapping
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| Technique | ID |
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|-----------|----|
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| Use Alternate Authentication Material: Pass the Ticket | T1550.003 |
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| Steal or Forge Kerberos Tickets: Golden Ticket | T1558.001 |
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| Steal or Forge Kerberos Tickets: Silver Ticket | T1558.002 |
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## External References
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- [impacket ticketer.py](https://github.com/fortra/impacket/blob/master/examples/ticketer.py)
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- [Microsoft Kerberos Event Logging](https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4768)
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- [Sigma Rules Repository](https://github.com/SigmaHQ/sigma)
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- [ADSecurity.org Kerberos Attacks](https://adsecurity.org/?p=1515)
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