itiB
41 lines
1.1 KiB
YAML
41 lines
1.1 KiB
YAML
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title: RDP Registry Modification
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ruletype: Sigma
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author: Roberto Rodriguez @Cyb3rWard0g
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date: 2019/09/12
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description: Detects potential malicious modification of the property value of fDenyTSConnections
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and UserAuthentication to enable remote desktop connections.
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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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TargetObject:
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- '*\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserAuthentication'
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- '*\CurrentControlSet\Control\Terminal Server\fDenyTSConnections'
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SELECTION_5:
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Details: DWORD (0x00000000)
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condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4 and SELECTION_5)
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falsepositives:
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- Unknown
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fields:
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- ComputerName
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- Image
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- EventType
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- TargetObject
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id: 41904ebe-d56c-4904-b9ad-7a77bdf154b3
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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: 2021/11/27
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references:
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- https://threathunterplaybook.com/notebooks/windows/05_defense_evasion/WIN-190407183310.html
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status: test
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tags:
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- attack.defense_evasion
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- attack.t1112
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