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Why do adversaries use MSIX packages?
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<blockquote data-quote="Andy Ful" data-source="post: 1090391" data-attributes="member: 32260"><p>The article from OP includes information about the common differences between the Microsoft Store MSIX packages and Developer-signed MSIX packages.</p><p>The first includes the "Microsoft Store App" label:</p><p></p><p>[ATTACH=full]283880[/ATTACH]</p><p></p><p></p><p>The Developer-signed packages do not include that label, like in the malware example in the wild:</p><p></p><p>[ATTACH=full]283881[/ATTACH]</p><p></p><p>So far, the malware in the wild uses mainly the Developer-signed MSIX packages.</p><p>Of course, many benign MSIX packages are Developer-signed. But, they cannot be trusted as well as Microsoft Store packages.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 1090391, member: 32260"] The article from OP includes information about the common differences between the Microsoft Store MSIX packages and Developer-signed MSIX packages. The first includes the "Microsoft Store App" label: [ATTACH type="full" alt="1718802681563.png"]283880[/ATTACH] The Developer-signed packages do not include that label, like in the malware example in the wild: [ATTACH type="full" alt="1718802824745.png"]283881[/ATTACH] So far, the malware in the wild uses mainly the Developer-signed MSIX packages. Of course, many benign MSIX packages are Developer-signed. But, they cannot be trusted as well as Microsoft Store packages. [/QUOTE]
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