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Explore the architecture of Microsoft Office document formats in this 49-minute German conference talk that takes you on a journey through the upper layers of the iceberg of pre-2007 and post-2007 Office file formats. Discover Microsoft's peculiarities and historical vulnerabilities as you examine the general structure of Office documents and the detailed construction of VBA macros and their signatures. Learn about security vulnerabilities and attack vectors, understanding how they relate to incorrectly or insufficiently documented file formats, while diving into the structure of these complex file formats and other random office security trivia. Experience the wonderful concept of Compound File Binaries, how they partially survived the transition to the new Office file format from 2007 onwards, and what actually resides within these files. This introductory-level presentation is designed for those new to the topic and may not be suitable for individuals with deep knowledge beyond signature composition.
