BSidesBOS CTF Writeup’s

Category: Warmups

Challenge name: Read The Rules

Please follow the rules for this CTF!

Connect here: https://bsidesbos.ctf.games/rules

Solution: Open the above link and inspect the page. Check the entire source you’ll find the flag.

Flag: flag{its_time_to_hack}

Challenge name: baseball

I found this baseball… but… it doesn’t look like a baseball?

Download the file baseball

Solution: The given file contains the base64 encoded text

TzRaVUNVMlRNRTRIQTZMSFBGWkdTNVpTSzVZVU1ZSllIQk5ER00zREdKTkhBVTJWSkJHVkNWMllPRlVFSzMyRE9GTUVNMkNaR0Y1RU1VUlpNUlNHS1JSWE9CQ1VVU1pZSk4ySEFWVFVPVTJGQzJDV000WlUyUVNHSlpBVFNNUT0=

base64 decoder: https://www.base64decode.org/

After decoding it we have the base32 encoded text “w3ASSa8pygyriw2WqFa88Z33c2ZpSUHMQWXqhEoCqXFhY1zFR9ddeF7pEJK8KtpVtu4QhVg3MBFNA92”

base32 decoder: https://cryptii.com/pipes/base32

The resulting value is base 58 encoded text. Decoding it with the base58 decoder we have the flag.

base58 decoder : https://www.appdevtools.com/base58-encoder-decoder

Flag: flag{wow_you_hit_a_homerun_and_really_ran_the_bases_there}

Leave a Comment

%d bloggers like this: