Sigma rule: User Account Hidden By Registry

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8d9f6b6a2c67, updated 2023-08-17T00:00:00.000Z.

SigmaHQ marks this rule as deprecated.

Rule

Title
User Account Hidden By Registry
Status
deprecated
Level
high
Author
frack113
Date
2022/08/20
Modified
2023/08/17
File
deprecated/windows/registry_set_add_hidden_user.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detect modification for a specific user to prevent that user from being listed on the logon screen

Log source

product
windows
category
registry_set

Detection

selection:
    TargetObject|contains: '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\Userlist\'
    TargetObject|endswith: '$'
    Details: DWORD (0x00000000)
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.defense_evasion
  • attack.t1564.002

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/deprecated/windows/registry_set_add_hidden_user.yml

Sources and licences

  • SigmaHQ

    "User Account Hidden By Registry" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/deprecated/windows/registry_set_add_hidden_user.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: User Account Hidden By Registry",
entity page, dataset version ref-8d9f6b6a2c67, updated 2023-08-17T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8a58209c-7ae6-4027-afb0-307a78e4589a (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8a58209c-7ae6-4027-afb0-307a78e4589a, 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.