Sigma rule: Suspicious SYSVOL Domain Group Policy Access

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-e2675f35baeb, updated 2022-01-07T00:00:00.000Z.

Rule

Title
Suspicious SYSVOL Domain Group Policy Access
Status
test
Level
medium
Author
Markus Neis, Jonhnathan Ribeiro, oscd.community
Date
2018-04-09
Modified
2022-01-07
File
rules/windows/process_creation/proc_creation_win_susp_sysvol_access.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects Access to Domain Group Policies stored in SYSVOL

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - '\SYSVOL\'
        - '\policies\'
condition: selection

False positives (as the rule lists them)

  • Administrative activity

Tags

  • attack.credential-access
  • attack.t1552.006

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_sysvol_access.yml

Sources and licences

  • SigmaHQ

    "Suspicious SYSVOL Domain Group Policy Access" by Markus Neis, Jonhnathan Ribeiro, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_susp_sysvol_access.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: Suspicious SYSVOL Domain Group Policy Access",
entity page, dataset version ref-e2675f35baeb, updated 2022-01-07T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/05f3c945-dcc8-4393-9f3d-af65077a8f86 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 05f3c945-dcc8-4393-9f3d-af65077a8f86, 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.