Program.cs contains Environment.Exit

[skahwah]

Line 73 for reference.

If authentication fails, it is likely that beacon, or whatever process MSSQL-Attacker is running in will exit.

Reference: https://www.mdsec.co.uk/2020/08/massaging-your-clr-preventing-environment-exit-in-in-process-net-assemblies/

[RikunjSindhwad]

It will be improved/fixed in the next release.