System Information Discovery - Auditd — Sigma Rule

Rule metadata and linked tags

Author: Pawel Mazur. Source status: test; severity: low. Source dates: 2021-09-03 / 2023-03-06.

{
  "product": "linux",
  "service": "auditd"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: cc31eeb6f65b1b52cd38f9852bb55d74004a823747c7ec1a48c2004bc7b26a2c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

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

Original YAML and metadata in JSON

False positives

• Likely

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f296668303c29d3f4c07e42bdd2b28d8dd6625f9/atomics/T1082/T1082.md