CTFtime.org / INS'hAck 2018 / Virtual Printer / Writeup

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[https://jbzteam.github.io/inshack2018/Virtual_Printer](https://jbzteam.github.io/inshack2018/Virtual_Printer)

Original writeup (https://jbzteam.github.io/inshack2018/Virtual_Printer).