h1–702 CTF — Web Challenge Write Up

This writeup has since won the H1–702 challenge. Read HackerOne blog here: https://www.hackerone.com/blog/H1-702-CTF-Winners-Announced When you open the challenge link, you’re presented with this: Instructions can be found on the web challenge site: http://159.203.178.9/ Open the link in your browser and you’re greeted with a normal-looking HTML page: Notes RPC CTF homepage It sounds like there is a secret endpoint somewhere that allows you to store notes. The title indicates that it has something to do with RPC....

July 1, 2018 · 13 min · Amal Murali

Solving the Dog Problem — Google CTF 2018 Quals Write Up

Challenge Description Cat Chat app popup Getting familiarized When you open the link, it redirects you to a chat room with a random UUID which is probably the chat room ID. Challenge homepage This looks like a chat application built with NodeJS where anyone can join and chat with each other. If you use /name bob, your display name gets changed to that. If you type /report, an admin will join the room for a few seconds....

June 8, 2018 · 11 min · Amal Murali