MISC

Participate

this is an easy solve. the link gets you to a google forms website. you simply replace the last bit of the link with viewanalytics and there you have the flag.

Simple quiz

by ‘looking through’ this document the challenge means to inspect the actual source code. inspecting the html code and Ctrl-F-ing gets us the flag.

Onions

this was a bit of a hassle at first, but by getting the hint from the description that he might have used some steganography we can try steghide info on the onion.jpg file.

we can see there is some embedded data hidden in the file. running a simple stegseek on the picture gets us the following:

this will get us another image named small-onion.jpg and analyzing this picture gets us to the same conclusion. we need to run stegseek on it too. doing this gets us onion.txt which contains the flag.

that’s all for for now; check out CRYPTO