Windows Package Manager tool
winget.exe install --manifest manifest.yml
Downloads a file from the web address specified in manifest.yml and executes it on the system. Local manifest setting must be enabled in winget for it to work: "winget settings --enable LocalManifestFiles"
Download and execute an arbitrary file from the internet
C:\Users\user\AppData\Local\Microsoft\WindowsApps\winget.exe
IOC: winget.exe spawned with local manifest file, IOC: Sysmon Event ID 1 - Process Creation, Analysis: https://saulpanders.github.io/2022/01/02/New-Year-New-LOLBAS.html, Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_winget_local_install_via_manifest.yml
Paul (@saulpanders)