This is the official writeup by the challenge author for the challenge **...---...**.

**Author**: [f4lc0n](https://twitter.com/_f41c0n)

Link to write-up at **team bi0s's** blog: [bi0s-blog](https://blog.bi0s.in/2019/10/10/Forensics/InCTF-Internationals-2019/)

Original writeup (https://blog.bi0s.in/2019/10/10/Forensics/InCTF-Internationals-2019/).