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Hide Payload in MS Office Document Properties

ID: fe072a42-de67-522c-918a-f01f8c5bc57b

STIX ID: report--fe072a42-de67-522c-918a-f01f8c5bc57b

Feed Name: Black Hills Infosec Blog

Date Published: 2017-11-29

Date Updated: 2026-04-27

Author: BHIS

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This blog post demonstrates a PowerShell script that bypasses MS Office application limits to insert very long text into the BuiltInDocumentProperties "Comments" field, provides VBA macros to read the comment value in Word/Excel/PowerPoint, and includes an option to sanitize author metadata; it is an instructional how-to rather than an incident report.

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