Detectionmediumtest
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)
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic2 selectors
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_*False Positives
Legitimate admin script
References
MITRE ATT&CK
Techniques
Rule Metadata
Rule ID
5a93eb65-dffa-4543-b761-94aa60098fb6
Status
test
Level
medium
Type
Detection
Created
Fri Mar 18
Modified
Thu Aug 17
Author
Path
rules/windows/registry/registry_set/registry_set_hide_function_user.yml
Raw Tags
attack.persistenceattack.defense-evasionattack.t1112