DEF CON CTF Qualifier 2023
41 challenges with 51 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not. 5 of them also carry the solution DEF CON CTF Qualifier 2023’s own organisers published, which is linked on the challenge itself.
Full task list on CTFtimeUncategorised36
The upstream scoreboard did not say, so neither do we.
Handout
4 official solutionsAlso written up in: satoki/ctf_writeups, satoki/ctf_writeups, siunam321/CTF-Writeups, Magnus1990P/writeups
IFUCKUP
3 official solutionsAlso written up in: shalaamum/ctf-writeups, shalaamum/ctf-writeups, www.kalmarunionen.dk
Also written up in: Nautilus-Institute/finals-2023, Magnus1990P/writeups
Open House
2 official solutionsAlso written up in: viktoredstrom/CTF, shift-crops/CTFWriteups
Published by the organisers in Nautilus-Institute/quals-2023: solution/solver.py
Also written up in: Magnus1990P/writeups
Seedling
2 official solutionsAlso written up in: m1dm4n/CTF-WriteUp, m1dm4n/CTF-WriteUp
2023 05 30
1 official solutionAlso written up in: imp.ress.me
Also written up in: Nautilus-Institute/finals-2023
Also written up in: Nautilus-Institute/finals-2023
Archive Server
1 official solutionAlso written up in: luker983/ctf-writeups
Blackbox
1 official solutionAlso written up in: shift-crops/CTFWriteups
Blockfeeder
1 official solutionAlso written up in: Nautilus-Institute/finals-2023
Blyat80211
1 official solutionAlso written up in: Nautilus-Institute/finals-2023
Also written up in: Nautilus-Institute/finals-2023
Published by the organisers in Nautilus-Institute/quals-2023: sol/solve.py
Client
1 official solutionAlso written up in: Nautilus-Institute/finals-2023
Debugunknown
1 official solutionAlso written up in: shalaamum/ctf-writeups
Also written up in: Nautilus-Institute/finals-2023
Fakenet
1 official solutionAlso written up in: Nautilus-Institute/finals-2023
Gatherdebugdata
1 official solutionAlso written up in: shalaamum/ctf-writeups
Ifuckupgdb
1 official solutionAlso written up in: shalaamum/ctf-writeups
Published by the organisers in Nautilus-Institute/quals-2023: README.md
LiveCTF Practice Challenge
1 official solutionAlso written up in: Magnus1990P/writeups
Ncuts A
1 official solutionAlso written up in: Pusty/writeups
Ncuts B
1 official solutionAlso written up in: Pusty/writeups
Ncuts Frida Debug
1 official solutionAlso written up in: Pusty/writeups
Poller
1 official solutionAlso written up in: Nautilus-Institute/finals-2023
Prakash Gupta
1 official solutionAlso written up in: satoki/ctf_writeups
Published by the organisers in Nautilus-Institute/quals-2023: solver/solver.ts
Solveprng
1 official solutionAlso written up in: shalaamum/ctf-writeups
Speed2
1 official solutionAlso written up in: viktoredstrom/CTF
Speed4
1 official solutionAlso written up in: viktoredstrom/CTF
Speed5
1 official solutionAlso written up in: viktoredstrom/CTF
Sysless Tracer
1 official solutionAlso written up in: Nautilus-Institute/finals-2023
Published by the organisers in Nautilus-Institute/quals-2023: src/solve.py
Write
1 official solutionAlso written up in: m1dm4n/CTF-WriteUp
Misc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Also written up in: luker983/ctf-writeups, luker983/ctf-writeups, luker983/ctf-writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: satoki/ctf_writeups, siunam321/CTF-Writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: thesavageteddy.github.io
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
to Quals
1 official solutionAlso written up in: siunam321/CTF-Writeups
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Views
1 official solutionAlso written up in: Nautilus-Institute/finals-2023