Sigma rule: Execute Pcwrun.EXE To Leverage Follina

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8d750014b22e, updated 2022-06-13T00:00:00.000Z.

Rule

Title
Execute Pcwrun.EXE To Leverage Follina
Status
test
Level
high
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-06-13
File
rules/windows/process_creation/proc_creation_win_lolbin_pcwrun_follina.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects indirect command execution via Program Compatibility Assistant "pcwrun.exe" leveraging the follina (CVE-2022-30190) vulnerability

Log source

product
windows
category
process_creation

Detection

selection:
    Image|endswith: '\pcwrun.exe'
    CommandLine|contains: '../'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.stealth
  • attack.t1218
  • attack.execution

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_pcwrun_follina.yml

Sources and licences

  • SigmaHQ

    "Execute Pcwrun.EXE To Leverage Follina" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_lolbin_pcwrun_follina.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: Execute Pcwrun.EXE To Leverage Follina",
entity page, dataset version ref-8d750014b22e, updated 2022-06-13T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6004abd0-afa4-4557-ba90-49d172e0a299 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6004abd0-afa4-4557-ba90-49d172e0a299, 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.