Florian Roth
42 lines
1.2 KiB
YAML
42 lines
1.2 KiB
YAML
title: Logon Scripts (UserInitMprLogonScript)
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status: experimental
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description: Detects creation or execution of UserInitMprLogonScript persistence method
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references:
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- https://attack.mitre.org/techniques/T1037/
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tags:
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- attack.t1037
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- attack.persistence
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- attack.lateral_movement
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author: Tom Ueltschi (@c_APT_ure)
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logsource:
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product: windows
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service: sysmon
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detection:
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exec_selection:
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EventID: 1 # Migration to process_creation requires multipart YAML
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ParentImage: '*\userinit.exe'
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exec_exclusion1:
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Image: '*\explorer.exe'
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exec_exclusion2:
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CommandLine: '*\netlogon.bat'
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create_selection_cli:
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EventID:
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- 1
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create_selection_reg:
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EventID:
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- 11
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- 12
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- 13
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- 14
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create_keywords_reg:
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TargetObject:
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- '*UserInitMprLogonScript*'
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create_keywords_cli:
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CommandLine:
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- '*UserInitMprLogonScript*'
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condition: (exec_selection and not exec_exclusion1 and not exec_exclusion2) or (create_selection_reg and create_keywords_reg) or (create_selection_cli and create_keywords_cli)
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falsepositives:
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- exclude legitimate logon scripts
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- penetration tests, red teaming
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level: high
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