CSAW-RED-2020-Quals

Links to write-ups:

https://github.com/chen-robert/writeups/tree/master/binexp/csawred20/

https://github.com/AdnanSlef/csawred2020_fixed

https://github.com/EvilMuffinHaCTF/csawred2020

Don't compare hashes with strncmp!

https://adrianself.me/writeups/2020/09/27/fabricator.html

Traefik one-liner:

https://github.com/EvilMuffinHaCTF/csawred2020/blob/master/traefik/solution.sh

Alternate approach for Big World:

https://github.com/Geoige/anvil-parser

Second solution to Header Start:

https://stackoverflow.com/questions/8763334/find-the-offset-of-data-in-a-binary-file grep -obUaP "<\x-hex pattern>" <file>

Participant web pages they wanted us to share:

kmh: https://kevinhiggs.com/

Robert Chen: https://blog.robertchen.cc/

Credits

Some citations at the end are in order! We want to thank the following people:

1. Pacific Northwest National Laboratory for contributing the following challenges: otherplane recovery animal friendship Hack-a-Mole parasprite

2. PicoCTF provided some inspiration for the entry-level buffer overflow problems and coalmine

3. Wenliang Du, Computer & Internet Security, 2nd edition provided some helpful inspiration on the cryptography side

4. Hacking: the Art of Exploitation by Jon Erickson has a great shellcoding chapter, inspiration for the Spellcoding challenges

And we want to thank all the players!