Sigma rule: Linux Doas Tool Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-6d4325d5aba8, updated 2022-01-20T00:00:00.000Z.

Rule

Title
Linux Doas Tool Execution
Status
stable
Level
low
Author
Sittikorn S, Teoderick Contreras
Date
2022-01-20
File
rules/linux/process_creation/proc_creation_lnx_doas_execution.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the doas tool execution in linux host platform. This utility tool allow standard users to perform tasks as root, the same way sudo does.

Log source

product
linux
category
process_creation

Detection

selection:
    Image|endswith: '/doas'
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/process_creation/proc_creation_lnx_doas_execution.yml

Sources and licences

  • SigmaHQ

    "Linux Doas Tool Execution" by Sittikorn S, Teoderick Contreras (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/process_creation/proc_creation_lnx_doas_execution.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 Tool Execution",
entity page, dataset version ref-6d4325d5aba8, updated 2022-01-20T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/067d8238-7127-451c-a9ec-fa78045b618b (accessed 2026-11-03).
Underlying source: SigmaHQ rule 067d8238-7127-451c-a9ec-fa78045b618b, 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.