Sigma rule: Linux Doas Conf File Creation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-5f605dc1192b, updated 2022-12-31T00:00:00.000Z.

Rule

Title
Linux Doas Conf File Creation
Status
stable
Level
medium
Author
Sittikorn S, Teoderick Contreras
Date
2022-01-20
Modified
2022-12-31
File
rules/linux/file_event/file_event_lnx_doas_conf_creation.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the creation of doas.conf file in linux host platform.

Log source

product
linux
category
file_event

Detection

selection:
    TargetFilename|endswith: '/etc/doas.conf'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.privilege-escalation
  • attack.t1548

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/file_event/file_event_lnx_doas_conf_creation.yml

Sources and licences

  • SigmaHQ

    "Linux Doas Conf File Creation" by Sittikorn S, Teoderick Contreras (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/file_event/file_event_lnx_doas_conf_creation.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: Linux Doas Conf File Creation",
entity page, dataset version ref-5f605dc1192b, updated 2022-12-31T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/00eee2a5-fdb0-4746-a21d-e43fbdea5681 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 00eee2a5-fdb0-4746-a21d-e43fbdea5681, 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.