Sigma rule: Run Once Task Configuration in Registry

Rule

Title

Run Once Task Configuration in Registry

Status

test

Level

medium

Author

Avneet Singh @v3t0_, oscd.community

Date

2020-11-15

Modified

2024-03-25

File

rules/windows/registry/registry_event/registry_event_runonce_persistence.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Rule to detect the configuration of Run Once registry key. Configured payload can be run by runonce.exe /AlternateShellStartup

Log source

product

windows

category

registry_event

Detection

selection:
    TargetObject|contains: '\Microsoft\Active Setup\Installed Components'
    TargetObject|endswith: '\StubPath'
filter_optional_chrome:
    Details|contains|all:
        - 'C:\Program Files\Google\Chrome\Application\'
        - '\Installer\chrmstp.exe" --configure-user-settings --verbose-logging --system-level' # In some cases the Details will contain an additional flag called "--channel=stable" at the end
filter_optional_edge:
    Details|contains:
        - 'C:\Program Files (x86)\Microsoft\Edge\Application\'
        - 'C:\Program Files\Microsoft\Edge\Application\'
    Details|endswith: '\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --channel=stable'
condition: selection and not 1 of filter_optional_*

False positives (as the rule lists them)

• Legitimate modification of the registry key by legitimate program

Tags

• attack.persistence
• attack.defense-impairment
• attack.t1112

MITRE ATT&CK ids this rule names

• T1112

References

• https://twitter.com/pabraeken/status/990717080805789697
• https://lolbas-project.github.io/lolbas/Binaries/Runonce/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_event/registry_event_runonce_persistence.yml