System Information Discovery via Registry Queries

Title: System Information Discovery via Registry Queries
Status: experimental
Description:Detects attempts to query system information directly from the Windows Registry.
References:
  -https://cert.gov.ua/article/6277849
  -https://github.com/redcanaryco/atomic-red-team/blob/75fa21076dcefa348a7521403cdd6bfc4e88623c/atomics/T1082/T1082.md
  -https://github.com/redcanaryco/atomic-red-team/blob/75fa21076dcefa348a7521403cdd6bfc4e88623c/atomics/T1124/T1124.md
Author: lazarg
Date: 2025-06-12
modified:2025-10-25
Tags:

• -'attack.discovery'
• -'attack.t1082'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection_cmd_reg:
    Image|endswith: '\reg.exe'
    CommandLine|contains: 'query'
    CommandLine|contains|windash: '-v'
  selection_cmd_powershell:
    Image|endswith:
      -'\powershell.exe'
      -'\pwsh.exe'

    CommandLine|contains:
      -'Get-ItemPropertyValue'
      -'gpv'

  selection_keys:
    CommandLine|contains:
      -'\SOFTWARE\Microsoft\Windows Defender'
      -'\SOFTWARE\Microsoft\Windows NT\CurrentVersion'
      -'\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall'
      -'\SYSTEM\CurrentControlSet\Control\TimeZoneInformation'
      -'\SYSTEM\CurrentControlSet\Services'

  condition:1 of selection_cmd_* and selection_keys
Falsepositives:
  -Unlikely
Level: low