Sigma rule: PSExec and WMI Process Creations Block

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8f671d0f856d, updated 2022-12-25T00:00:00.000Z.

Rule

Title
PSExec and WMI Process Creations Block
Status
test
Level
high
Author
Bhabesh Raj
Date
2020-07-14
Modified
2022-12-25
File
rules/windows/builtin/windefend/win_defender_asr_psexec_wmi.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects blocking of process creations originating from PSExec and WMI commands

Log source

product
windows
service
windefend
definition
Requirements:Enabled Block process creations originating from PSExec and WMI commands from Attack Surface Reduction (GUID: d1e49aac-8f56-4280-b9ba-993a6d77406c)

Detection

selection:
    EventID: 1121
    ProcessName|endswith:
        - '\wmiprvse.exe'
        - '\psexesvc.exe'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.lateral-movement
  • attack.t1047
  • attack.t1569.002

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/builtin/windefend/win_defender_asr_psexec_wmi.yml

Sources and licences

  • SigmaHQ

    "PSExec and WMI Process Creations Block" by Bhabesh Raj (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/windefend/win_defender_asr_psexec_wmi.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: PSExec and WMI Process Creations Block",
entity page, dataset version ref-8f671d0f856d, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/97b9ce1e-c5ab-11ea-87d0-0242ac130003 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 97b9ce1e-c5ab-11ea-87d0-0242ac130003, 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.