https://0x90r00t.com/2016/05/02/google-capture-the-flag-2016-forensics-250-no-big-deal-part-2-write-...

Original writeup (https://0x90r00t.com/2016/05/02/google-capture-the-flag-2016-forensics-250-no-big-deal-part-2-write-up/).