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Anthropic-Cybersecurity-Skills/skills/detecting-golden-ticket-attacks/references/api-reference.md
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mukul975 27c6414ca5 Add folder anatomy (scripts/agent.py + references/api-reference.md) for 648 cybersecurity skills
Complete skill folder anatomy across all cybersecurity skills:
- scripts/agent.py: 80-150 line Python agents using real libraries (impacket,
  boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.)
- references/api-reference.md: real API documentation with method signatures
- LICENSE: MIT license for all skill folders
2026-03-10 21:02:12 +01:00

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API Reference: Detecting Golden Ticket Attacks

python-evtx Library

from Evtx.Evtx import FileHeader
with open("Security.evtx", "rb") as f:
    fh = FileHeader(f)
    for record in fh.records():
        xml_string = record.xml()

Key Event IDs

Event 4768 - Kerberos TGT Request (AS-REQ)

<Data Name="TargetUserName">admin_user</Data>
<Data Name="TargetDomainName">CORP.LOCAL</Data>
<Data Name="TicketEncryptionType">0x12</Data>
<Data Name="PreAuthType">15</Data>
<Data Name="IpAddress">::ffff:10.0.0.50</Data>

Event 4624 - Logon Event

<Data Name="TargetUserName">user</Data>
<Data Name="LogonType">3</Data>
<Data Name="AuthenticationPackageName">Kerberos</Data>
<Data Name="IpAddress">10.0.0.50</Data>
<Data Name="WorkstationName">WKS01</Data>

Event 4672 - Special Privileges Assigned

<Data Name="SubjectUserName">user</Data>
<Data Name="SubjectDomainName">CORP</Data>
<Data Name="PrivilegeList">SeDebugPrivilege SeTcbPrivilege</Data>

Golden Ticket Detection Indicators

Indicator Evidence
Orphan logon 4624 Kerberos logon with no 4768 TGT request
Privilege anomaly 4672 admin privs for non-admin account
Abnormal TGT lifetime TGT valid >10 hours (default max)
RC4 TGT majority >50% of TGTs using 0x17 encryption
Domain SID mismatch TGT domain SID differs from DC

MITRE ATT&CK

  • T1558.001 - Golden Ticket
  • T1550 - Use Alternate Authentication Material