> For the complete documentation index, see [llms.txt](https://ravins-organization.gitbook.io/ctf-writeups/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ravins-organization.gitbook.io/ctf-writeups/2022/sst-inc-rte-2022/roboto-sans.md).

# Roboto-Sans

File: <https://yes-but-no.com/Roboto-Sans/> (This is taken down now)

Some clues are given from the name of the challenge itself, in this case Robot(o-Sans). Secondly, when we load the page, it talks about a game and robots.

<figure><img src="https://user-images.githubusercontent.com/77960307/206890746-3d4f074c-9eed-48e9-923f-17971c5e2cae.png" alt=""><figcaption></figcaption></figure>

So, we add `/robots.txt` to the back of the link to make it <https://yes-but-no.com/Roboto-Sans/robots.txt>. We can see that there is a disallow.

[![Screenshot 2022-12-11 at 3 06 43 PM](https://user-images.githubusercontent.com/77960307/206890790-a4d0b07a-e95f-447e-ad0d-919546d70d44.png)](https://user-images.githubusercontent.com/77960307/206890790-a4d0b07a-e95f-447e-ad0d-919546d70d44.png)

If we replace `/robots.txt` with `/wg3cd.html`, to form <https://yes-but-no.com/Roboto-Sans/wg3cd.html> we see the flag,

<figure><img src="https://user-images.githubusercontent.com/77960307/206890812-74fb5c7e-c949-4b50-b50b-b680c4be3da8.png" alt=""><figcaption></figcaption></figure>

Flag: `YBN{R0B0T5_4R3_Cøøl}`