swiss hacking challenge 2024 - shc2024-sanity-check

Difficulty: baby

Category: misc

Author: xNULL

Welcome to the Swiss-Hacking-Challenge 2024!

In a land full of broken printer and hard working fax machines it is your mission to collect all the excel formulas to achieve true boringness

It is absolutely important to remember, that collecting all the flags is absolutely required for no reason!

Also make sure to submit your tax statement by 31. March 2024!

Files

We are given a shc2024-sanity-check.tar.gz.

Exploitation

file shows us that the file must be “gzip compressed data”:

$ file shc2024-sanity-check.tar.gz
shc2024-sanity-check.tar.gz: gzip compressed data, from Unix, original size modulo 2^32 10240

After an exhaustive google search, I found the command to extract that data:

$ tar -xvf shc2024-sanity-check.tar.gz
shc2024-sanity-check/
shc2024-sanity-check/flag.txt

The flag.txt contains the flag:

Flag

Conclusion

Let’s goooo