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blue-team-tools/rules/linux/builtin/lnx_crontab_file_modification.yml
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Nasreddine Bencherchali d03f6df250 Reference Update [Batch 1]
2022-07-07 15:24:15 +01:00

23 lines
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YAML

title: Modifying Crontab
id: af202fd3-7bff-4212-a25a-fb34606cfcbe
status: experimental
description: Detects suspicious modification of crontab file.
# log example: Apr 16 11:18:18 localhost CROND[3333]: (user) REPLACE (user)
author: Pawel Mazur
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1053.003/T1053.003.md
date: 2022/04/16
logsource:
product: linux
service: cron
detection:
keywords:
- 'REPLACE'
condition: keywords
falsepositives:
- Legitimate modification of crontab
level: medium
tags:
- attack.persistence
- attack.t1053.003