# Upsolves

- [Go Touch Grass](/writeups/ctf-writeups/upsolves/go-touch-grass.md): Scroll-To-Text-Fragment with DNS Prefetch
- [Secure Blob Runner](/writeups/ctf-writeups/upsolves/secure-blob-runner.md): Shellcode with ROP via fs\_base leak
- [HAKKShop](/writeups/ctf-writeups/upsolves/hakkshop.md): logic bugs + verb tampering?
- [Trading-API](/writeups/ctf-writeups/upsolves/trading-api.md): hacklu-ctf 2021