Make a backup of your orginal files in case things don't work out.
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You don't really need antiban for bo1..
But yea, if that one comes out CEX, open the eboot.bin in 'true ancestor resigner', select option 8 "resign to disc backup EBOOT
Then, option 7 "decrypt EBOOT.BIN <fself> only"
Delete EBOOT.BIN
Open cmd, go to folder that hold the eboot.elf and make_fself.exe
type "make_fself.exe EBOOT.ELF EBOOT.BIN"(no quotes) and press enter.
You will then receive a new EBOOT.BIN, replace yours with this.