Run Once Task Execution as Configured in Registry

calendar Oct 23, 2025 · attack.persistence attack.defense-evasion attack.t1112  ·
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This rule detects the execution of Run Once task as configured in the registry

Sigma rule (View on GitHub)

 1title: Run Once Task Execution as Configured in Registry
 2id: 198effb6-6c98-4d0c-9ea3-451fa143c45c
 3status: test
 4description: This rule detects the execution of Run Once task as configured in the registry
 5references:
 6    - https://twitter.com/pabraeken/status/990717080805789697
 7    - https://lolbas-project.github.io/lolbas/Binaries/Runonce/
 8    - https://twitter.com/0gtweet/status/1602644163824156672?s=20&t=kuxbUnZPltpvFPZdCrqPXA
 9author: 'Avneet Singh @v3t0_, oscd.community, Christopher Peacock @SecurePeacock (updated)'
10date: 2020-10-18
11modified: 2022-12-13
12tags:
13    - attack.persistence
14    - attack.defense-evasion
15    - attack.t1112
16logsource:
17    product: windows
18    category: process_creation
19detection:
20    selection_img:
21        - Image|endswith: '\runonce.exe'
22        - Description: 'Run Once Wrapper'
23    selection_cli:
24        - CommandLine|contains: '/AlternateShellStartup'
25        - CommandLine|endswith: '/r'
26    condition: all of selection_*
27falsepositives:
28    - Unknown
29level: low

References

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  • Runonce on LOLBAS

    Runonce.exe is a living-of-the-land file containing unexpected functionality that can be abused by attackers; this page lists all its use cases.


    Read More

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