Detectionmediumtest

IE Change Domain Zone

Hides the file extension through modification of the registry

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
François HubautCreated Sat Jan 22Updated Thu Aug 1745e112d0-7759-4c2a-aa36-9f8fb79d3393windows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic2 selectors
detection:
    selection_domains:
        TargetObject|contains: \SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\
    filter:
        Details:
            - DWORD (0x00000000) # My Computer
            - DWORD (0x00000001) # Local Intranet Zone
            - '(Empty)'
    condition: selection_domains and not filter
False Positives

Administrative scripts

Testing & Validation

Simulations

atomic-red-teamT1112
View on ART

Add Domain to Trusted Sites Zone

GUID: cf447677-5a4e-4937-a82c-e47d254afd57

Regression Tests

by SigmaHQ Team
Positive Detection Test1 matchevtx

Microsoft-Windows-Sysmon