SS2Tool Log
Version: 6.1.1.8
07.02.2023 15:30:22
You have the latest version of SS2Tool
Game dir: C:\System Shock 2
Exec dir: C:\System Shock 2
AVI: /10//103401
CRF: 8/17/658/307850
MIS: /23//247908
Checksum error [564bdb08a16bafca83c2e305698eaefc]
Not a valid game. No changes were made.
If you think this is a mistake, post this log to systemshock.org.
Creating log file at C:\System Shock 2\ss2tool.log

If by WSL, you mean WSL, you're going to run into problems anyway with SS2tool and rsync. Better to just run it natively.