Detectionlowtest
No Suitable Encryption Key Found For Generating Kerberos Ticket
Detects errors when a target server doesn't have suitable keys for generating kerberos tickets. This issue can occur for example when a service uses a user account or a computer account that is configured for only DES encryption on a computer that is running Windows 7 which has DES encryption for Kerberos authentication disabled.
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Log Source
Windowssystem
ProductWindows← raw: windows
Servicesystem← raw: system
Detection Logic
Detection Logic1 selector
detection:
selection:
Provider_Name:
- 'Kerberos-Key-Distribution-Center'
- 'Microsoft-Windows-Kerberos-Key-Distribution-Center'
EventID:
- 16 # KDCEVENT_NO_KEY_INTERSECTION_TGS
- 27 # KDCEVENT_UNSUPPORTED_ETYPE_REQUEST_TGS
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
b1e0b3f5-b62e-41be-886a-daffde446ad4
Status
test
Level
low
Type
Detection
Created
Thu Mar 07
Modified
Mon Sep 22
Author
Path
rules/windows/builtin/system/microsoft_windows_kerberos_key_distribution_center/win_system_kdcsvc_tgs_no_suitable_encryption_key_found.yml
Raw Tags
attack.credential-accessattack.t1558.003