Sigma rule: KrbRelayUp Service Installation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-631de822dd85, updated 2022-10-05T00:00:00.000Z.

Rule

Title
KrbRelayUp Service Installation
Status
test
Level
high
Author
Sittikorn S, Tim Shelton
Date
2022-05-11
Modified
2022-10-05
File
rules/windows/builtin/system/service_control_manager/win_system_krbrelayup_service_installation.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects service creation from KrbRelayUp tool used for privilege escalation in Windows domain environments where LDAP signing is not enforced (the default settings)

Log source

product
windows
service
system

Detection

selection:
    EventID: 7045
    ServiceName: 'KrbSCM'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.persistence
  • attack.privilege-escalation
  • attack.t1543

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/system/service_control_manager/win_system_krbrelayup_service_installation.yml

Sources and licences

  • SigmaHQ

    "KrbRelayUp Service Installation" by Sittikorn S, Tim Shelton (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/system/service_control_manager/win_system_krbrelayup_service_installation.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: KrbRelayUp Service Installation",
entity page, dataset version ref-631de822dd85, updated 2022-10-05T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e97d9903-53b2-41fc-8cb9-889ed4093e80 (accessed 2026-11-03).
Underlying source: SigmaHQ rule e97d9903-53b2-41fc-8cb9-889ed4093e80, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.