MSB (Most Significant Bit) and LSB (Least Significant Bit) are steganography technics (https://en.wikipedia.org/wiki/Bit_numbering)We have an image:
![lol.png](https://raw.githubusercontent.com/eg-ctf/RedpwnCTF-2019/master/lol.png)
I simply used Stegsolve to extract data from it. After a few attempts I got the output:
![](https://raw.githubusercontent.com/eg-ctf/RedpwnCTF-2019/master/lol_extracted.png)
And the flag is: ```flag{MSB_really_sucks}```