35 lines
1.2 KiB
YAML
35 lines
1.2 KiB
YAML
title: Suspicious RazerInstaller Explorer Subprocess
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author: Florian Roth, Maxime Thiebaut
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date: 2021/08/23
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description: Detects a explorer.exe sub process of the RazerInstaller software which
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can be invoked from the installer to select a different installation folder but
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can also be exploited to escalate privileges to LOCAL SYSTEM
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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ParentImage: '*\RazerInstaller.exe'
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SELECTION_3:
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IntegrityLevel: System
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SELECTION_4:
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Image: C:\Windows\Installer\Razer\Installer\\*
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condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3) and not (SELECTION_4))
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falsepositives:
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- User selecting a different installation folder (check for other sub processes of
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this explorer.exe process)
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id: a4eaf250-7dc1-4842-862a-5e71cd59a167
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2021/08/24
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references:
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- https://twitter.com/j0nh4t/status/1429049506021138437
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- https://streamable.com/q2dsji
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status: experimental
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tags:
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- attack.privilege_escalation
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yml_filename: win_susp_razorinstaller_explorer.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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