Sigma rule: Execution via WorkFolders.exe

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c94e3669deee, updated 2022-12-25T00:00:00.000Z.

Rule

Title
Execution via WorkFolders.exe
Status
test
Level
high
Author
Maxime Thiebaut (@0xThiebaut)
Date
2021-10-21
Modified
2022-12-25
File
rules/windows/process_creation/proc_creation_win_susp_workfolders.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects using WorkFolders.exe to execute an arbitrary control.exe

Log source

product
windows
category
process_creation

Detection

selection:
    Image|endswith: '\control.exe'
    ParentImage|endswith: '\WorkFolders.exe'
filter:
    Image: 'C:\Windows\System32\control.exe'
condition: selection and not filter

False positives (as the rule lists them)

  • Legitimate usage of the uncommon Windows Work Folders feature.

Tags

  • attack.stealth
  • attack.t1218

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/process_creation/proc_creation_win_susp_workfolders.yml

Sources and licences

  • SigmaHQ

    "Execution via WorkFolders.exe" by Maxime Thiebaut (@0xThiebaut) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_susp_workfolders.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: Execution via WorkFolders.exe",
entity page, dataset version ref-c94e3669deee, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/0bbc6369-43e3-453d-9944-cae58821c173 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 0bbc6369-43e3-453d-9944-cae58821c173, 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.