47 lines
1.4 KiB
YAML
47 lines
1.4 KiB
YAML
title: Always Install Elevated Windows Installer
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author: Teymur Kheirkhabarov (idea), Mangatas Tondang (rule), oscd.community
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date: 2020/10/13
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description: This rule will looks for Windows Installer service (msiexec.exe) when
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it tries to install MSI packages with SYSTEM privilege
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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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User: NT AUTHORITY\SYSTEM*
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SELECTION_3:
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User: AUTORITE NT\Sys*
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SELECTION_4:
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Image: '*\Windows\Installer\\*'
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SELECTION_5:
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Image: '*msi*'
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SELECTION_6:
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Image: '*tmp'
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SELECTION_7:
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Image: '*\msiexec.exe'
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SELECTION_8:
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IntegrityLevel: System
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and ((SELECTION_4 and
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SELECTION_5 and (SELECTION_6)) or ((SELECTION_7) and SELECTION_8)))
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falsepositives:
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- System administrator Usage
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- Penetration test
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fields:
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- IntegrityLevel
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- User
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- Image
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id: cd951fdc-4b2f-47f5-ba99-a33bf61e3770
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level: medium
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logsource:
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category: process_creation
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product: windows
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modified: 2021/08/26
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references:
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- https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-48-638.jpg
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status: experimental
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tags:
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- attack.privilege_escalation
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- attack.t1548.002
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yml_filename: sysmon_always_install_elevated_windows_installer.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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