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blue-team-tools/rules/linux/builtin/lnx_clear_syslog.yml
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2022-10-09 16:54:04 +02:00

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YAML

title: Commands to Clear or Remove the Syslog
id: e09eb557-96d2-4de9-ba2d-30f712a5afd3
status: test
description: Detects specific commands commonly used to remove or empty the syslog
references:
- https://www.virustotal.com/gui/file/fc614fb4bda24ae8ca2c44e812d12c0fab6dd7a097472a35dd12ded053ab8474
author: Max Altgelt
date: 2021/09/10
modified: 2022/10/09
tags:
- attack.impact
- attack.t1565.001
logsource:
product: linux
detection:
selection:
- 'rm /var/log/syslog'
- 'rm -r /var/log/syslog'
- 'rm -f /var/log/syslog'
- 'rm -rf /var/log/syslog'
- 'mv /var/log/syslog'
- ' >/var/log/syslog'
- ' > /var/log/syslog'
falsepositives:
- '/syslog.'
condition: selection and not falsepositives
falsepositives:
- Log rotation
level: high