Nasreddine Bencherchali
31 lines
1.1 KiB
YAML
31 lines
1.1 KiB
YAML
title: Set Files as System Files Using Attrib.EXE
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id: bb19e94c-59ae-4c15-8c12-c563d23fe52b
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related:
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- id: efec536f-72e8-4656-8960-5e85d091345b
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type: similar
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status: experimental
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description: Detects the execution of "attrib" with the "+s" flag to mark files as system files
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.001/T1564.001.md#atomic-test-3---create-windows-system-file-with-attrib
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- https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/attrib
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- https://unit42.paloaltonetworks.com/unit42-sure-ill-take-new-combojack-malware-alters-clipboards-steal-cryptocurrency/
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author: frack113
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date: 2022/02/04
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modified: 2023/03/14
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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_img:
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- Image|endswith: '\attrib.exe'
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- OriginalFileName: 'ATTRIB.EXE'
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selection_cli:
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CommandLine|contains: ' +s '
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condition: all of selection_*
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falsepositives:
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- Unknown
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level: low
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