The Lost Payload: MSIX Resurrection

MSIXBuilder transforms what was traditionally a complex, multi-tool process into a single automated workflow that mirrors actual attacker techniques. By automatically handling certificate lifecycle management, dependency resolution, and package signing, the tool removes the technical barriers that previously prevented security teams from creating realistic test scenarios. This means defenders can quickly generate both signed and unsigned MSIX packages to validate their AppXDeployment event log coverage, confirm detection rules, and build detection coverage that actually works against real-world threats.