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hayabusa/rules/sigma/registry_event/sysmon_rdp_registry_modification.yml
2021-11-23 15:04:03 +09:00

40 lines
1.1 KiB
YAML

title: RDP Registry Modification
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019/09/12
description: Detects potential malicious modification of the property value of fDenyTSConnections
and UserAuthentication to enable remote desktop connections.
detection:
SELECTION_1:
EventID: 12
SELECTION_2:
EventID: 13
SELECTION_3:
EventID: 14
SELECTION_4:
TargetObject:
- '*\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserAuthentication'
- '*\CurrentControlSet\Control\Terminal Server\fDenyTSConnections'
SELECTION_5:
Details: DWORD (0x00000000)
condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4 and SELECTION_5)
falsepositives:
- Unknown
fields:
- ComputerName
- Image
- EventType
- TargetObject
id: 41904ebe-d56c-4904-b9ad-7a77bdf154b3
level: high
logsource:
category: registry_event
product: windows
modified: 2019/11/10
references:
- https://threathunterplaybook.com/notebooks/windows/05_defense_evasion/WIN-190407183310.html
status: experimental
tags:
- attack.defense_evasion
- attack.t1112