SigmaHQ/rules/linux/auditd/lnx_auditd_user_discovery.yml
2021-07-06 17:43:20 +08:00

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YAML

title: System Owner or User Discovery
id: 9a0d8ca0-2385-4020-b6c6-cb6153ca56f3
status: experimental
description: Adversaries may use the information from System Owner/User Discovery during automated discovery to shape follow-on behaviors, including whether or not
the adversary fully infects the target and/or attempts specific actions.
author: Timur Zinniatullin, oscd.community
date: 2019/10/21
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1033/T1033.md
logsource:
product: linux
service: auditd
detection:
selection:
type: 'EXECVE'
a0:
- 'users'
- 'w'
- 'who'
condition: selection
falsepositives:
- Admin activity
level: low
tags:
- attack.discovery
- attack.t1033