IE Change Domain Zone

Hides the file extension through modification of the registry

Sigma rule (View on GitHub)

 1title: IE Change Domain Zone
 2id: 45e112d0-7759-4c2a-aa36-9f8fb79d3393
 3related:
 4    - id: d88d0ab2-e696-4d40-a2ed-9790064e66b3
 5      type: derived
 6status: test
 7description: Hides the file extension through modification of the registry
 8references:
 9    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1112/T1112.md#atomic-test-4---add-domain-to-trusted-sites-zone
10    - https://learn.microsoft.com/en-us/troubleshoot/developer/browsers/security-privacy/ie-security-zones-registry-entries
11author: frack113
12date: 2022/01/22
13modified: 2023/08/17
14tags:
15    - attack.persistence
16    - attack.t1137
17logsource:
18    category: registry_set
19    product: windows
20detection:
21    selection_domains:
22        TargetObject|contains: \SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\
23    filter:
24        Details:
25            - DWORD (0x00000000) # My Computer
26            - DWORD (0x00000001) # Local Intranet Zone
27            - '(Empty)'
28    condition: selection_domains and not filter
29falsepositives:
30    - Administrative scripts
31level: medium

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