top of page
Brand Icons - Logo.png

CSIT Mini Challenge

Welcome to CSIT's CNY 2023 Challenge!

Complete the challenge below for a special reward! 

  • Grandma rabbit went digital this year.

  • With a Windows PC, she created a special hong bao file just for you!

  • She hinted that a BIG amount of $888 was hidden within the file. 

  • With your knowledge of Microsoft's NTFS, you suspect that she could have used ADS (Alternate Data Stream) to hide the "prize".



  • Download the file here.

  • On Windows, use 7zip to extract the file.

  • Find the flag within the file.


Submit the flag and stream name of the ADS where flag was found to complete the challenge

This challenge will be open till 5 Feb 2023.

Please Try Again


bottom of page