Sigma rule: PUA - Sysinternal Tool Execution - Registry

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-01d177daa7b9, updated 2025-10-26T00:00:00.000Z.

Rule

Title
PUA - Sysinternal Tool Execution - Registry
Status
test
Level
low
Author
Markus Neis
Date
2017-08-28
Modified
2025-10-26
File
rules/windows/registry/registry_set/registry_set_pua_sysinternals_execution_via_eula.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of a Sysinternals Tool via the creation of the "accepteula" registry key

Log source

product
windows
category
registry_set

Detection

selection:
    TargetObject|endswith: '\EulaAccepted'
condition: selection

False positives (as the rule lists them)

  • Legitimate use of SysInternals tools
  • Programs that use the same Registry Key

Tags

  • attack.resource-development
  • attack.t1588.002

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/registry/registry_set/registry_set_pua_sysinternals_execution_via_eula.yml

Sources and licences

  • SigmaHQ

    "PUA - Sysinternal Tool Execution - Registry" by Markus Neis (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_pua_sysinternals_execution_via_eula.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: PUA - Sysinternal Tool Execution - Registry",
entity page, dataset version ref-01d177daa7b9, updated 2025-10-26T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/25ffa65d-76d8-4da5-a832-3f2b0136e133 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 25ffa65d-76d8-4da5-a832-3f2b0136e133, 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.