Sigma rule: Use of Wfc.exe

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-1473f87ad38c, updated 2022-06-01T00:00:00.000Z.

Rule

Title
Use of Wfc.exe
Status
test
Level
medium
Author
Christopher Peacock @SecurePeacock, SCYTHE @scythe_io
Date
2022-06-01
File
rules/windows/process_creation/proc_creation_win_lolbin_wfc.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

The Workflow Command-line Compiler can be used for AWL bypass and is listed in Microsoft's recommended block rules.

Log source

product
windows
category
process_creation

Detection

selection:
    - Image|endswith: '\wfc.exe'
    - OriginalFileName: 'wfc.exe'
condition: selection

False positives (as the rule lists them)

  • Legitimate use by a software developer

Tags

  • attack.execution
  • attack.stealth
  • attack.t1127

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_lolbin_wfc.yml

Sources and licences

  • SigmaHQ

    "Use of Wfc.exe" by Christopher Peacock @SecurePeacock, SCYTHE @scythe_io (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_lolbin_wfc.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: Use of Wfc.exe",
entity page, dataset version ref-1473f87ad38c, updated 2022-06-01T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/49be8799-7b4d-4fda-ad23-cafbefdebbc5 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 49be8799-7b4d-4fda-ad23-cafbefdebbc5, 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.