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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
47 lines
1.7 KiB
Markdown
47 lines
1.7 KiB
Markdown
# DCSync Persistence Detection — API Reference
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## Libraries
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| Library | Install | Purpose |
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|---------|---------|---------|
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| ldap3 | `pip install ldap3` | LDAP directory queries for AD permission enumeration |
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| impacket | `pip install impacket` | Network protocol toolkit — secretsdump.py for DCSync |
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| pyad | `pip install pyad` | Windows Active Directory interface |
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## Key ldap3 Methods
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| Method | Description |
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|--------|-------------|
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| `Server(ip, get_info=ALL)` | Create LDAP server connection object |
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| `Connection(server, user, password, authentication=NTLM)` | Bind to AD with NTLM auth |
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| `conn.search(search_base, search_filter, attributes)` | Query directory objects |
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| `conn.entries` | Access search result entries |
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| `conn.unbind()` | Close LDAP connection |
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## Critical GUIDs for DCSync Detection
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| GUID | Right |
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|------|-------|
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| `1131f6aa-9c07-11d1-f79f-00c04fc2dcd2` | DS-Replication-Get-Changes |
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| `1131f6ad-9c07-11d1-f79f-00c04fc2dcd2` | DS-Replication-Get-Changes-All |
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| `89e95b76-444d-4c62-991a-0facbeda640c` | DS-Replication-Get-Changes-In-Filtered-Set |
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## Windows Event IDs
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| Event ID | Description |
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|----------|-------------|
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| 4662 | Directory service object accessed (replication GUIDs indicate DCSync) |
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| 4624 | Logon event — correlate with replication activity from non-DC source |
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## MITRE ATT&CK Mapping
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| Technique | ID |
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|-----------|----|
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| OS Credential Dumping: DCSync | T1003.006 |
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## External References
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- [impacket secretsdump.py](https://github.com/fortra/impacket/blob/master/examples/secretsdump.py)
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- [ldap3 Documentation](https://ldap3.readthedocs.io/)
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- [Microsoft DCSync Detection](https://learn.microsoft.com/en-us/defender-for-identity/credential-access-alerts)
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