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hayabusa/rules/Sigma/sysmon_rdp_settings_hijack.yml
2021-11-14 11:00:56 +09:00

36 lines
1.0 KiB
YAML

title: RDP Sensitive Settings Changed
author: Samir Bousseaden
date: 2019/04/03
description: Detects changes to RDP terminal service sensitive settings
detection:
SELECTION_1:
EventID: 12
SELECTION_2:
EventID: 13
SELECTION_3:
EventID: 14
SELECTION_4:
TargetObject: '*\services\TermService\Parameters\ServiceDll*'
SELECTION_5:
TargetObject: '*\Control\Terminal Server\fSingleSessionPerUser*'
SELECTION_6:
TargetObject: '*\Control\Terminal Server\fDenyTSConnections*'
condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and (SELECTION_4 or SELECTION_5
or SELECTION_6))
falsepositives:
- unknown
id: 171b67e1-74b4-460e-8d55-b331f3e32d67
level: high
logsource:
category: registry_event
product: windows
modified: 2020/09/06
references:
- https://blog.menasec.net/2019/02/threat-hunting-rdp-hijacking-via.html
tags:
- attack.defense_evasion
- attack.t1112
yml_filename: sysmon_rdp_settings_hijack.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/registry_event