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mukul975
55 lines
2.2 KiB
Markdown
55 lines
2.2 KiB
Markdown
# Standards and References: Kerberoasting with Impacket
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## MITRE ATT&CK Techniques
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### Primary Technique
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- **T1558.003** - Steal or Forge Kerberos Tickets: Kerberoasting
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- Tactic: Credential Access (TA0006)
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- Platforms: Windows
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- Data Sources: Active Directory (Credential Request), Logon Session (Logon Session Metadata)
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- Detection: MITRE DET0157
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### Related Techniques
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- **T1558** - Steal or Forge Kerberos Tickets (parent)
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- **T1558.004** - AS-REP Roasting
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- **T1558.001** - Golden Ticket
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- **T1558.002** - Silver Ticket
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- **T1087.002** - Account Discovery: Domain Account
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- **T1110.002** - Brute Force: Password Cracking
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### APT Groups Known to Use Kerberoasting
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- **APT29** (Cozy Bear / MITRE G0016)
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- **FIN7** (MITRE G0046)
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- **Wizard Spider** (MITRE G0102)
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- **HAFNIUM** (MITRE G0125)
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- **Sandworm Team** (MITRE G0034)
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## NIST References
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- **NIST SP 800-53 Rev. 5** - IA-5: Authenticator Management (strong service account passwords)
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- **NIST SP 800-53 Rev. 5** - AC-6: Least Privilege (service account permissions)
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- **NIST SP 800-63B** - Digital Identity Guidelines (password complexity)
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- **NIST SP 800-171** - 3.5.7: Store and transmit only cryptographically-protected passwords
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## Windows Security Events
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| Event ID | Description | Relevance |
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| 4769 | A Kerberos service ticket was requested | Primary detection (check Encryption Type) |
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| 4768 | A Kerberos authentication ticket (TGT) was requested | Correlate with source of TGS requests |
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| 4770 | A Kerberos service ticket was renewed | Renewal of Kerberoasted tickets |
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| 4771 | Kerberos pre-authentication failed | Related: AS-REP Roasting detection |
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## Kerberos Encryption Types
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| Etype Value | Algorithm | Crackable | Hashcat Mode |
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| 0x17 (23) | RC4-HMAC | Fast cracking | 13100 |
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| 0x11 (17) | AES128-CTS-HMAC-SHA1-96 | Slower cracking | 19600 |
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| 0x12 (18) | AES256-CTS-HMAC-SHA1-96 | Slowest cracking | 19700 |
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## CIS Benchmarks
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- **CIS Microsoft Windows Server 2022** - 2.3.6.4: Network security: Configure encryption types for Kerberos
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- **CIS Active Directory** - Service account management requirements
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- **CIS Controls v8** - Control 5.4: Restrict Administrator Privileges to Dedicated Accounts
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