Sigma Rule Library

Registry Hide Function from User

Detects registry modifications that hide internal tools or functions from the user (malware like Agent Tesla, Hermetic Wiper uses this technique)

View on GitHubOpen raw file

Detection logic

selection_set_1

TargetObject|endswith:
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideClock
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCANetwork
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAPower
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAVolume
Details: DWORD (0x00000001)

selection_set_0

TargetObject|endswith:
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowInfoTip
  - SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowCompColor
Details: DWORD (0x00000000)

Condition

1 of selection_set_*

Raw YAML

title: Registry Hide Function from User
id: 5a93eb65-dffa-4543-b761-94aa60098fb6
status: test
description: Detects registry modifications that hide internal tools or functions from the user (malware like Agent Tesla, Hermetic Wiper uses this technique)
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.001/T1564.001.md
author: frack113
date: 2022-03-18
modified: 2023-08-17
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: registry_set
    product: windows
detection:
    selection_set_1:
        TargetObject|endswith:
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideClock'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCANetwork'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAPower'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAVolume'
        Details: 'DWORD (0x00000001)'
    selection_set_0:
        TargetObject|endswith:
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowInfoTip'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowCompColor'
        Details: 'DWORD (0x00000000)'
    condition: 1 of selection_set_*
falsepositives:
    - Legitimate admin script
level: medium

False positives

  • Legitimate admin script

References

Similar rules