DEF CON CTF Qualifier 2024
51 challenges with 47 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. 11 of them also carry the solution DEF CON CTF Qualifier 2024’s own organisers published, which is linked on the challenge itself.
Full task list on CTFtimeUncategorised46
The upstream scoreboard did not say, so neither do we.
Published by the organisers in Nautilus-Institute/quals-2024: solver/build.sh, solver/exploit.c, solver/exploit1.c, solver/solver.py
Published by the organisers in Nautilus-Institute/quals-2024: solver/build.sh, solver/solve.c, solver/solver.py, solver/walk.h
Published by the organisers in Nautilus-Institute/quals-2024: solver/exploit.txt, solver/exploit2.txt, solver/solver.py
Published by the organisers in Nautilus-Institute/quals-2024: solver/generate_payload.py, solver/recover_key.py, solver/solve.py
Published by the organisers in Nautilus-Institute/quals-2024: solver/solver.py
Also written up in: moratorium08/ctf_writeups
Quickjs
2 official solutionsAlso written up in: Nautilus-Institute/finals-2024, Nautilus-Institute/finals-2024
Published by the organisers in Nautilus-Institute/quals-2024: solver/solver.py
Also written up in: moratorium08/ctf_writeups
Published by the organisers in Nautilus-Institute/quals-2024: solver/run.py
Also written up in: flex0geek.blogspot.com
A23 Alu
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
A23 Barrel Shift
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
A23 Cache
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
A23 Decode
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
A23 Execute
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
A23 Localparams
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Published by the organisers in Nautilus-Institute/quals-2024: solver/solve.py
dotcom Exploitinig Crash Handler
1 official solutionAlso written up in: uz56764.tistory.com
Generic Sram Byte En
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Generic Sram Line En
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Jsbignum
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Jscache
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Also written up in: Nautilus-Institute/finals-2024
Lauxlib
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Lazelle
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Also written up in: Nautilus-Institute/finals-2024
Level 1 Newbies Start Here
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 10 question mark
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 2
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 3
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 4
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 5
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 6
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 7
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 8
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Level 9
1 official solutionAlso written up in: Dziksonn/ctf-writeups
Also written up in: Nautilus-Institute/finals-2024
Libbf
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Libregexp
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Also written up in: Nautilus-Institute/finals-2024
Lobject
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Lstrlib
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Ltable
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Also written up in: Nautilus-Institute/finals-2024
Published by the organisers in Nautilus-Institute/quals-2024: EXPLOITS.md
Pass It On Analysis : Deep Dive Into Swift Virtual Machine
1 official solutionAlso written up in: deayzl.tistory.com
Quickjs Libc
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Visualizer
1 official solutionAlso written up in: Nautilus-Institute/finals-2024
Misc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Published by the organisers in Nautilus-Institute/quals-2024: solver/solver.py
- vm
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- homomorphic
- paillier
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Published by the organisers in Nautilus-Institute/quals-2024: solve.py
- exploitation
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz