itiB
49 lines
1.5 KiB
YAML
49 lines
1.5 KiB
YAML
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title: Windows Defender Threat Detection Disabled
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ruletype: Sigma
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author: Ján Trenčanský, frack113, AlertIQ
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date: 2020/07/28
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description: Detects disabling Windows Defender threat protection
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detection:
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SELECTION_1:
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EventID: 12
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SELECTION_2:
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EventID: 13
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SELECTION_3:
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EventID: 14
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SELECTION_4:
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Details: DWORD (0x00000001)
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SELECTION_5:
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EventType: SetValue
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SELECTION_6:
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TargetObject:
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- HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware
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- HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiVirus
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SELECTION_7:
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TargetObject:
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- HKLM\SYSTEM\CurrentControlSet\Services\WinDefend
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- HKLM\SOFTWARE\Microsoft\Windows Defender
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- HKLM\SOFTWARE\Policies\Microsoft\Windows Defender
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condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4 and ((SELECTION_5
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and SELECTION_6) or SELECTION_7))
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falsepositives:
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- Administrator actions
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id: a64e4198-c1c8-46a5-bc9c-324c86455fd4
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level: high
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logsource:
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category: registry_event
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product: windows
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modified: 2021/10/18
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references:
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- https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-antivirus/troubleshoot-windows-defender-antivirus
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.001/T1562.001.md
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- https://thedfirreport.com/2021/10/18/icedid-to-xinglocker-ransomware-in-24-hours/
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related:
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- id: fe34868f-6e0e-4882-81f6-c43aa8f15b62
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type: derived
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1089
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- attack.t1562.001
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