test.ps1

$flag = 67, 83, 76, 85, 123, 110, 111, 119, 95, 121, 111, 117, 95, 107, 110, 48, 119, 95, 104, 48, 119, 95, 109, 97, 108, 100, 111, 99, 95, 119, 111, 114, 107, 122, 122, 53, 53, 53, 122, 125
$msg = 65, 100, 100, 45, 84, 121, 112, 101, 32, 45, 65, 115, 115, 101, 109, 98, 108, 121, 78, 97, 109, 101, 32, 39, 83, 121, 115, 116, 101, 109, 46, 87, 105, 110, 100, 111, 119, 115, 46, 70, 111, 114, 109, 115, 39, 10, 91, 83, 121, 115, 116, 101, 109, 46, 87, 105, 110, 100, 111, 119, 115, 46, 70, 111, 114, 109, 115, 46, 77, 101, 115, 115, 97, 103, 101, 66, 111, 120, 93, 58, 58, 83, 104, 111, 119, 40, 34, 89, 111, 117, 39, 118, 101, 32, 98, 101, 101, 110, 32, 104, 97, 99, 107, 101, 100, 46, 32, 68, 111, 110, 39, 116, 32, 114, 117, 110, 32, 109, 97, 108, 100, 111, 99, 33, 34, 41

$combinedString = -join ($msg | ForEach-Object { [char]$_ })

Invoke-Expression $combinedString