[https://rawsec.ml/en/SEC-T-2017-write-ups/#100-sprinkler-system-web](https://rawsec.ml/en/SEC-T-2017-write-ups/#100-sprinkler-system-web)

Original writeup (https://rawsec.ml/en/SEC-T-2017-write-ups/#100-sprinkler-system-web).