Run Once Task Execution as Configured in Registry — Sigma Rule

Rule metadata and linked tags

Author: Avneet Singh @v3t0_, oscd.community, Christopher Peacock @SecurePeacock (updated). Source status: test; severity: low. Source dates: 2020-10-18 / 2022-12-13.

{
  "product": "windows",
  "category": "process_creation"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 19d6d2f84d8a30effb30d6e1d26b583f962fa4016c673414b9196976bdd5b68e

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: Run Once Task Execution as Configured in Registry
id: 198effb6-6c98-4d0c-9ea3-451fa143c45c
status: test
description: This rule detects the execution of Run Once task as configured in the registry
references:
    - https://twitter.com/pabraeken/status/990717080805789697
    - https://lolbas-project.github.io/lolbas/Binaries/Runonce/
    - https://twitter.com/0gtweet/status/1602644163824156672?s=20&t=kuxbUnZPltpvFPZdCrqPXA
author: 'Avneet Singh @v3t0_, oscd.community, Christopher Peacock @SecurePeacock (updated)'
date: 2020-10-18
modified: 2022-12-13
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith: '\runonce.exe'
        - Description: 'Run Once Wrapper'
    selection_cli:
        - CommandLine|contains: '/AlternateShellStartup'
        - CommandLine|endswith: '/r'
    condition: all of selection_*
falsepositives:
    - Unknown
level: low

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://twitter.com/pabraeken/status/990717080805789697
• https://lolbas-project.github.io/lolbas/Binaries/Runonce/
• https://twitter.com/0gtweet/status/1602644163824156672?s=20&t=kuxbUnZPltpvFPZdCrqPXA