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MediumSplunk security contentRaven Tait +1

Windows Outlook LoadMacroProviderOnBoot Persistence

The following analytic detects the modification of the Windows Registry key "LoadMacroProviderOnBoot" under Outlook. This enables automatic loading of macros, which could allow malicious scripts to run without…

Description

The following analytic detects the modification of the Windows Registry key "LoadMacroProviderOnBoot" under Outlook. This enables automatic loading of macros, which could allow malicious scripts to run without notice. This detection leverages data from the Endpoint.Registry datamodel to search for this key being enabled. This activity is significant as it is commonly associated with some malware infections, indicating potential malicious intent to harvest email information.

Detection logic

Detection requirements

Platform
Office SuiteWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source category
sysmon_eventid_13

Known benign triggers

  • It is unusual to modify this feature on a Windows system. Although no false positives have been identified, use the provided filter macro to tune the search.

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