https://bitbanged.com/tags/ctf/Recent content in ctf on BitBangedHugo -- gohugo.ioenutkarsh@bitbanged.com (Utkarsh Verma)utkarsh@bitbanged.com (Utkarsh Verma)Mon, 01 Nov 2021 00:00:00 +0000https://bitbanged.com/posts/ctf-elf-binaries-and-magic-bytes/Mon, 01 Nov 2021 00:00:00 +0000utkarsh@bitbanged.com (Utkarsh Verma)https://bitbanged.com/posts/ctf-elf-binaries-and-magic-bytes/I had a spare weekend so I particiapated in a CTF competition conducted by my college’s CS club. In the event, one challenge really stood apart and hence I’m writing about it. The challenge #On the website, a ‘PNG’ file was provided initially, called test.png . This file was the only clue to the flag. My approach #Given the fact that only a file was provided as a clue, and that it wouldn’t open using an image viewer.