Sigma rule: System Information Discovery - Auditd

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8768432c8954, updated 2023-03-06T00:00:00.000Z.

Rule

Title
System Information Discovery - Auditd
Status
test
Level
low
Author
Pawel Mazur
Date
2021-09-03
Modified
2023-03-06
File
rules/linux/auditd/lnx_auditd_system_info_discovery.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects System Information Discovery commands

Log source

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_*

False positives (as the rule lists them)

  • Likely

Tags

  • attack.discovery
  • attack.t1082

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/auditd/lnx_auditd_system_info_discovery.yml

Sources and licences

  • SigmaHQ

    "System Information Discovery - Auditd" by Pawel Mazur (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/auditd/lnx_auditd_system_info_discovery.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: System Information Discovery - Auditd",
entity page, dataset version ref-8768432c8954, updated 2023-03-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f34047d9-20d3-4e8b-8672-0a35cc50dc71 (accessed 2026-11-03).
Underlying source: SigmaHQ rule f34047d9-20d3-4e8b-8672-0a35cc50dc71, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.