Executes a Run Once Task that has been configured in the registry
Runonce.exe /AlternateShellStartup
Executes a Run Once Task that has been configured in the registry
Persistence, bypassing defensive counter measures
C:\Windows\System32\runonce.exe, C:\Windows\SysWOW64\runonce.exe
Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/registry/registry_event/registry_event_runonce_persistence.yml, Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_runonce_execution.yml, Elastic: https://github.com/elastic/detection-rules/blob/2926e98c5d998706ef7e248a63fb0367c841f685/rules/windows/persistence_run_key_and_startup_broad.toml, IOC: Registy key add - HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\YOURKEY
Pierre-Alexandre Braeken (@pabraeken)