Max Altgelt
6f05e33feb
Correct a number of rules where message or keyword were incorrectly used as field names in events (typically windows event logs). However, neither field actually exists and as such these strings could never match.
33 lines
932 B
YAML
33 lines
932 B
YAML
title: 'File Time Attribute Change'
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id: b3cec4e7-6901-4b0d-a02d-8ab2d8eb818b
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status: experimental
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description: 'Detect file time attribute change to hide new or changes to existing files.'
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# For this rule to work execve auditing must be configured
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# Example config (place it at the bottom of audit.rules)
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# -a always,exit -F arch=b32 -S execve -k execve
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# -a always,exit -F arch=b64 -S execve -k execve
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author: 'Igor Fits, oscd.community'
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date: 2020/10/15
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1070.006/T1070.006.md
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logsource:
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product: linux
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service: auditd
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detection:
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execve:
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type: 'EXECVE'
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touch:
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- 'touch'
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selection2:
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- '-t'
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- '-acmr'
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- '-d'
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- '-r'
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condition: execve and touch and selection2
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falsepositives:
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- 'Unknown'
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level: medium
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tags:
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- attack.defense_evasion
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- attack.t1070.006
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