34 lines
1.1 KiB
YAML
34 lines
1.1 KiB
YAML
title: Root Certificate Installed
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author: oscd.community, @redcanary, Zach Stanford @svch0st
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date: 2020/10/10
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description: Adversaries may install a root certificate on a compromised system to
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avoid warnings when connecting to adversary controlled web servers.
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detection:
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SELECTION_1:
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EventID: 4104
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SELECTION_2:
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ScriptBlockText: '*Cert:\LocalMachine\Root*'
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SELECTION_3:
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ScriptBlockText: '*Move-Item*'
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SELECTION_4:
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ScriptBlockText: '*Import-Certificate*'
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condition: (SELECTION_1 and SELECTION_2 and (SELECTION_3 or SELECTION_4))
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falsepositives:
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- Help Desk or IT may need to manually add a corporate Root CA on occasion. Need to
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test if GPO push doesn't trigger FP
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id: 42821614-9264-4761-acfc-5772c3286f76
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level: medium
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logsource:
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product: windows
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service: powershell
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modified: 2021/09/21
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1553.004/T1553.004.md
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1553.004
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yml_filename: win_root_certificate_installed.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin
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