Cracking

I’ve got the ascii of the password and I’m sure it’s right because I can pass the program by modifying register with gdb.
however,some word of the password can’t be inputed by keyboard,just like 0xf3,0xb8,etc...
could anyone gimme a hint pls?

Hey !

You’d have it figured out since February but I’ll give a hint:
you might want to further consider the challenge’s name and its implications.

hi
same problem here, I found and tested the correct passwd i could inject it into radare2, but couldn’t submit my answer because it contains non printable chars...
if someone could give a hint, that would be great.

I have the same problem. I can’t submit neither.
EDIT: problem solved.