Sigma rule: System and Hardware Information Discovery

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-cafb331ad865, updated 2022-11-26T00:00:00.000Z.

Rule

Title
System and Hardware Information Discovery
Status
stable
Level
informational
Author
Ömer Günal, oscd.community
Date
2020-10-08
Modified
2022-11-26
File
rules/linux/auditd/path/lnx_auditd_system_info_discovery2.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects system information discovery commands

Log source

product
linux
service
auditd

Detection

selection:
    type: 'PATH'
    name:
        - '/sys/class/dmi/id/bios_version'
        - '/sys/class/dmi/id/product_name'
        - '/sys/class/dmi/id/chassis_vendor'
        - '/proc/scsi/scsi'
        - '/proc/ide/hd0/model'
        - '/proc/version'
        - '/etc/*version'
        - '/etc/*release'
        - '/etc/issue'
condition: selection

False positives (as the rule lists them)

  • Legitimate administration activities

Tags

  • attack.discovery
  • attack.t1082

MITRE ATT&CK ids this rule names

Related rules

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/path/lnx_auditd_system_info_discovery2.yml

Sources and licences

  • SigmaHQ

    "System and Hardware Information Discovery" by Ömer Günal, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/auditd/path/lnx_auditd_system_info_discovery2.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 and Hardware Information Discovery",
entity page, dataset version ref-cafb331ad865, updated 2022-11-26T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/1f358e2e-cb63-43c3-b575-dfb072a6814f (accessed 2026-11-03).
Underlying source: SigmaHQ rule 1f358e2e-cb63-43c3-b575-dfb072a6814f, 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.