Nasreddine Bencherchali
5656c48a97
chore: rename auditd folders and others update: Audio Capture - Updated syscall field to SYSCALL in order to make use of enriched logs update: ASLR Disabled Via Sysctl or Direct Syscall - Linux - Updated syscall field to SYSCALL in order to make use of enriched logs update: Clear or Disable Kernel Ring Buffer Logs via Syslog Syscall - Updated syscall field to SYSCALL in order to make use of enriched logs update: System Info Discovery via Sysinfo Syscall - Updated syscall field to SYSCALL in order to make use of enriched logs update: Special File Creation via Mknod Syscall - Updated syscall field to SYSCALL in order to make use of enriched logs update: Webshell Remote Command Execution - Updated syscall field to SYSCALL in order to make use of enriched logs
34 lines
1.0 KiB
YAML
34 lines
1.0 KiB
YAML
title: System Owner or User Discovery - Linux
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id: 9a0d8ca0-2385-4020-b6c6-cb6153ca56f3
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status: test
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description: |
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Detects the execution of host or user discovery utilities such as "whoami", "hostname", "id", etc.
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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.
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1033/T1033.md
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author: Timur Zinniatullin, oscd.community
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date: 2019-10-21
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modified: 2025-06-04
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tags:
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- attack.discovery
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- attack.t1033
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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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selection:
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type: 'EXECVE'
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a0:
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- 'hostname'
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- 'id'
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- 'last'
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- 'uname'
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- 'users'
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- 'w'
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- 'who'
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- 'whoami'
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condition: selection
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falsepositives:
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- Admin activity
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level: low
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