NCS Competition 2021 Writeup
  • HHousen National Cyber Scholarship Competition 2021 Writeup
  • Forensics
    • FE02 - 100pts
    • FE03 - 100pts
    • FH01 - 500pts
    • FE04 - 100pts
    • FM01 - 250pts
    • FM02 - 250pts
    • FM03 - 250pts
    • FE01 - 100pts
  • Crypto
    • CM01 - 250pts
    • CM02 - 250pts
    • CX01 - 1000pts
    • CH01 - 500pts
    • CH02 - 500pts
  • Binary
    • BM01 - 250pts
    • BM02 - 250pts
    • BM03 - 250pts
    • BX01 - 1000pts
    • BX02 - 100pts
    • BE01 - 100pts
    • BE02 - 100pts
    • BH01 - 500pts
  • Networking
    • NM01 - 250pts
    • NE01 - 100pts
  • Web
    • WX01 - 1000pts
    • WE01 - 100pts
    • WE02 - 100pts
    • WH01 - 500pts
    • WH02 - 500pts
    • WM01 - 250pts
    • WM02 - 250pts
    • WM03 - 250pts
    • WM04 - 250pts
    • WM05 - 250pts
  • Challenge Name
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BE01 - 100pts

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Last updated 4 years ago

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Briefing

Download the file and find a way to get the flag. Contents: chicken.pdf

Challenge Files:

Solution

  1. First, extract the PDF as a ZIP file. Depending on the extraction tool used, you might need to rename the file so it has a .zip extension: chicken.zip.

  2. Extract the egg.zip inside and repeatedly extract the inner ZIP files until you get egg.pdf, which contains the flag.

  3. The final path of the egg.pdf file is be01/chicken/egg/chicken/egg/chicken/egg.pdf.

Flag

wh1ch_came_f1rst?

be01.zip