MITRE ATT&CKsub-technique
T1558.002 Silver Ticket
- Domain
- enterprise
- Tactics
- Credential Access
- Platforms
- Windows
- Version
- 1.1
- Created
- 2020-02-11
Description
Adversaries who have the password hash of a target service account (e.g. SharePoint, MSSQL) may forge Kerberos ticket granting service (TGS) tickets, also known as silver tickets. Kerberos TGS tickets are also known as service tickets.
Silver tickets are more limited in scope in than golden tickets in that they only enable adversaries to access a particular resource (e.g. MSSQL) and the system that hosts the resource; however, unlike golden tickets, adversaries with the ability to forge silver tickets are able to create TGS tickets without interacting with the Key Distribution Center (KDC), potentially making detection more difficult.
Password hashes for target services may be obtained using OS Credential Dumping or Kerberoasting.
Related
Subtechnique of · MITRE ATT&CK (1)
- T1558 Steal or Forge Kerberos Tickets technique
Tactic · MITRE ATT&CK (1)
- TA0006 Credential Access tactic
Referenced by MITRE ATT&CK · mitigates (3)
Referenced by MITRE ATT&CK · uses (4)
Referenced by Compliance · mitigates (19)
- NIST-AC-16 Security and Privacy Attributes NIST 800-53 control
- NIST-AC-17 Remote Access NIST 800-53 control
- NIST-AC-18 Wireless Access NIST 800-53 control
- NIST-AC-19 Access Control for Mobile Devices NIST 800-53 control
- NIST-AC-2 Account Management NIST 800-53 control
- NIST-AC-3 Access Enforcement NIST 800-53 control
- NIST-AC-5 Separation of Duties NIST 800-53 control
- NIST-AC-6 Least Privilege NIST 800-53 control
- NIST-CA-7 Continuous Monitoring NIST 800-53 control
- NIST-CM-2 Baseline Configuration NIST 800-53 control
- NIST-CM-5 Access Restrictions for Change NIST 800-53 control
- NIST-CM-6 Configuration Settings NIST 800-53 control
- NIST-IA-2 Identification and Authentication (Organizational Users) NIST 800-53 control
- NIST-IA-5 Authenticator Management NIST 800-53 control
- NIST-SC-4 Information in Shared System Resources NIST 800-53 control
- NIST-SI-12 Information Management and Retention NIST 800-53 control
- NIST-SI-3 Malicious Code Protection NIST 800-53 control
- NIST-SI-4 System Monitoring NIST 800-53 control
- NIST-SI-7 Software, Firmware, and Information Integrity NIST 800-53 control
References
- https://adsecurity.org/?p=2011 ADSecurity Silver Tickets
- https://adsecurity.org/?p=1515 ADSecurity Detecting Forged Tickets
- https://medium.com/threatpunter/detecting-attempts-to-steal-passwords-from-memory-558f16dce4ea Medium Detecting Attempts to Steal Passwords from Memory