Possible No Suitable Encryption Key Found For Generating Kerberos Ticket (via system)
This rule 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.
SigmalowWindowsv1
sigma
possible-no-suitable-encryption-key-found-for-generating-kerberos-ticket-via-system
title: Possible No Suitable Encryption Key Found For Generating Kerberos Ticket (via system)
id: 121ecfa1-dc3b-5fba-98b6-1cd4e7290182
status: stable
description: This rule 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.
references:
- https://attack.mitre.org/techniques/T1558/003/
- https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd348773(v=ws.10)
- https://learn.microsoft.com/en-us/troubleshoot/windows-server/windows-security/kdc-event-16-27-des-encryption-disabled
author: 'Huntrule Team'
date: 2026-05-16
tags:
- attack.credential-access
- attack.t1558.003
logsource:
product: windows
service: system
detection:
selection:
Provider_Name:
- 'Kerberos-Key-Distribution-Center'
- 'Microsoft-Windows-Kerberos-Key-Distribution-Center'
EventID:
- 16
- 27
condition: selection
falsepositives:
- Unknown
level: low
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.