picoCTF 2019 where are the robots Writeup

where are the robots is a Web Exploitation puzzle worth 100 points.


Can you find the robots? https://jupiter.challenges.picoctf.org/problem/56830/ (link) or http://jupiter.challenges.picoctf.org:56830


I figured that this had to do with robots.txt.

First, I just tacked robots.txt to the end of the provided URL, which presented a robots.txt file:

User-agent: *
Disallow: /1bb4c.html

Next, I looked at 1bb4c.html, because this is a strange and non-standard file. The flag was in there:

One thought on “picoCTF 2019 where are the robots Writeup

  1. Pingback: picoCTF Writeups – DMFR SECURITY

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s