Hi, This is my 100-days CTF challenge page. I will be solving each problem every day.
Today the challenge is from PICO CTF
Day 6: 06/11/2023
Topic: Web Exploitation
Title: login
Pico link: https://play.picoctf.org/practice/challenge/132?category=1&page=1
Challenge Link: https://login.mars.picoctf.net/
Description: My dog-sitter’s brother made this website but I can’t get in; can you help?
The challenge page looks like this
There is no hint, lets check the source page
Now lets check the js file
We found that the btoa to encrypt the base64
username: YWRtaW4
flag:cGljb0NURns1M3J2M3JfNTNydjNyXzUzcnYzcl81M3J2M3JfNTNydjNyfQ
decode these values and get the flag
Flag: picoCTF{53rv3r_53rv3r_53rv3r_53rv3r_53rv3r}
That’s all about this challenge.