Sigma Rule Library

System Information Discovery - Auditd

Detects System Information Discovery commands

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Detection logic

selection_1

type: PATH
name:
  - /etc/lsb-release
  - /etc/redhat-release
  - /etc/issue

selection_2

type: EXECVE
a0:
  - uname
  - uptime
  - lsmod
  - hostname
  - env

selection_3

type: EXECVE
a0: grep
a1|contains:
  - vbox
  - vm
  - xen
  - virtio
  - hv

selection_4

type: EXECVE
a0: kmod
a1: list

Condition

1 of selection_*

Raw YAML

title: System Information Discovery - Auditd
id: f34047d9-20d3-4e8b-8672-0a35cc50dc71
status: test
description: Detects System Information Discovery commands
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f296668303c29d3f4c07e42bdd2b28d8dd6625f9/atomics/T1082/T1082.md
author: Pawel Mazur
date: 2021-09-03
modified: 2023-03-06
tags:
    - attack.discovery
    - attack.t1082
logsource:
    product: linux
    service: auditd
detection:
    selection_1:
        type: PATH
        name:
            - /etc/lsb-release
            - /etc/redhat-release
            - /etc/issue
    selection_2:
        type: EXECVE
        a0:
            - uname
            - uptime
            - lsmod
            - hostname
            - env
    selection_3:
        type: EXECVE
        a0: grep
        a1|contains:
            - vbox
            - vm
            - xen
            - virtio
            - hv
    selection_4:
        type: EXECVE
        a0: kmod
        a1: list
    condition: 1 of selection_*
falsepositives:
    - Likely
level: low

False positives

  • Likely

References

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