Nasreddine Bencherchali
28 lines
891 B
YAML
28 lines
891 B
YAML
title: Use Icacls to Hide File to Everyone
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id: 4ae81040-fc1c-4249-bfa3-938d260214d9
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status: experimental
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description: Detect use of icacls to deny access for everyone in Users folder sometimes used to hide malicious files
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references:
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- https://app.any.run/tasks/1df999e6-1cb8-45e3-8b61-499d1b7d5a9b/
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author: frack113
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date: 2022/07/18
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tags:
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- attack.defense_evasion
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- attack.t1564.001
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logsource:
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category: process_creation
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product: windows
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detection:
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selection_icacls:
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- OriginalFileName: 'iCACLS.EXE'
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- Image|endswith: '\icacls.exe'
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selection_cmd: #icacls "C:\Users\admin\AppData\Local\37f92fe8-bcf0-4ee0-b8ba-561f797f5696" /deny *S-1-1-0:(OI)(CI)(DE,DC)
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CommandLine|contains|all:
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- 'C:\Users\'
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- '/deny'
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- '*S-1-1-0:'
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condition: all of selection*
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falsepositives:
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- Legitimate use
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level: medium
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