Tag: xss
Google CTF 2019
Jun. 24, 2019
I played Google CTF as a part of the team pearl this past weekend. We did okay, placing 50th (obviously not a high school CTF). I solved one web challenge that I really liked — gLotto.
gLotto
22 solves, 288 points
Are you lucky?
Analysis
The link goes to a “lottery” website, with tables of past winning tickets and an option to check your ticket. At the bottom of the page, there is a link to show the source.
ångstromCTF 2019
Apr. 24, 2019
This was my second year organizing ångstromCTF. Compared to last year, I wrote a lot more challenges and did a lot more work on the platform. Despite some site stability issues, we still ended up with over 1,300 scoring teams. Here are the challenges I wrote (this is going to be a long post):
- Aquarium, 50 points
- Pie Shop, 100 points
- Returns, 160 points
- Server, 180 points
- Weeb Hunting, 180 points
- TI-1337, 250 points
- Bugger, 200 points
- Control You, 20 points
- DOM Validator, 130 points
- NaaS, 140 points
- GiantURL, 190 points
