May be this helps.
Every bot that post "Man" on Biography also set GMT - 12.
Here you have a mod to ban, these timezones.
(My users never use GMT - 12)
https://vborg.vbsupport.ru/showthread.php?t=141554
Read the all because one line of the code (if you want redirection and not standard error)
needs to be changed. if not doesn't matters.
Using this and Check4Spam and One Touch Ban & Clean, everything is perfect
Regards :up: