CustomXMLPart

A PoC weaponising Custom XML parts for stealthily hiding malware code inside of Office document structures.

Technical explanation described in a dedicated blog post:

• Backdooring Office Structures. Part 2: Payload Crumbs In Custom Parts

What it does?

The document provided simply displays a message box with a text extracted from a part.

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This and other projects are outcome of sleepless nights and plenty of hard work. If you like what I do and appreciate that I always give back to the community, Consider buying me a coffee (or better a beer) just to say thank you! 💪

Mariusz Banach / mgeeky, (@mariuszbit)
<mb [at] binary-offensive.com>