Nasreddine Bencherchali
33 lines
1.2 KiB
YAML
33 lines
1.2 KiB
YAML
title: Powershell Timestomp
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id: c6438007-e081-42ce-9483-b067fbef33c3
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status: test
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description: |
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Adversaries may modify file time attributes to hide new or changes to existing files.
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Timestomping is a technique that modifies the timestamps of a file (the modify, access, create, and change times), often to mimic files that are in the same folder.
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.006/T1070.006.md
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- https://www.offensive-security.com/metasploit-unleashed/timestomp/
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author: frack113
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date: 2021/08/03
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modified: 2022/12/25
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tags:
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- attack.defense_evasion
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- attack.t1070.006
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logsource:
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product: windows
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category: ps_script
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definition: 'Requirements: Script Block Logging must be enabled'
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detection:
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selection_ioc:
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ScriptBlockText|contains:
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- '.CreationTime ='
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- '.LastWriteTime ='
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- '.LastAccessTime ='
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- '[IO.File]::SetCreationTime'
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- '[IO.File]::SetLastAccessTime'
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- '[IO.File]::SetLastWriteTime'
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condition: selection_ioc
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falsepositives:
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- Legitimate admin script
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level: medium
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