[https://infosec.rm-it.de/2018/10/07/hackover-ctf-2018-who-knows-john-dows/](https://infosec.rm-it.de/2018/10/07/hackover-ctf-2018-who-knows-john-dows/)

Original writeup (https://infosec.rm-it.de/2018/10/07/hackover-ctf-2018-who-knows-john-dows/).