Sigma rule: Stored Credentials in Fake Files

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-5c736b5a7ac3, updated 2020-10-05T00:00:00.000Z.

Rule

Title: Stored Credentials in Fake Files
Status: unsupported
Level: high
Author: Teymur Kheirkhabarov (idea), Ryan Plas (rule), oscd.community
Date: 2020/10/05
File: unsupported/windows/win_access_fake_files_with_stored_credentials.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Search for accessing of fake files with stored credentials

Log source

product: windows
service: security

Detection

selection:
    EventID: 4663
    AccessList|contains: '%%4416'
    ObjectName|endswith:
        - '\%POLICY_ID%\Machine\Preferences\Groups\Groups.xml'
        - '\%FOLDER_NAME%\Unattend.xml'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1555

References

https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-13-638.jpg

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/windows/win_access_fake_files_with_stored_credentials.yml

Sources and licences

SigmaHQ
"Stored Credentials in Fake Files" by Teymur Kheirkhabarov (idea), Ryan Plas (rule), oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/windows/win_access_fake_files_with_stored_credentials.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: Stored Credentials in Fake Files",
entity page, dataset version ref-5c736b5a7ac3, updated 2020-10-05T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/692b979c-f747-41dc-ad72-1f11c01b110e (accessed 2026-11-03).
Underlying source: SigmaHQ rule 692b979c-f747-41dc-ad72-1f11c01b110e, 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.