Lolbas OneDriveStandaloneUpdater.exe Proxy Download

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About the rule

Rule Type

Standard

Rule Description

Detects setting a custom URL for OneDriveStandaloneUpdater.exe to download a file from the Internet without executing any anomalous executables with suspicious arguments. The downloaded file will be in C:\\Users\\redacted\\AppData\\Local\\Microsoft\\OneDrive\\StandaloneUpdaterreSignInSettingsConfig.json

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND OBJECTNAME contains "\SOFTWARE\Microsoft\OneDrive\UpdateOfficeConfig\UpdateRingSettingURLFromOC" OR (OBJECTNAME endswith "\SOFTWARE\Microsoft\OneDrive\UpdateOfficeConfig" AND OBJECTVALUENAME startswith "UpdateRingSettingURLFromOC") select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113