DEF CON CTF Qualifier 2017
27 challenges with 93 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.
Full task list on CTFtimeMisc10
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
magic
5 writeupsAlso written up in: vxresearch/ctf-writeups, kimtruth/CTF-write-up
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
alchemy
5 writeupsAlso written up in: kimtruth/CTF-write-up
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
sorcery
4 writeupsAlso written up in: kimtruth/CTF-write-up
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: mx9mx9/writeups-2017, kitctf/writeups, qwaz/solved-hacking-problem
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Leo es Pequeno
1 writeupAlso written up in: kimtruth/CTF-write-up, mx9mx9/writeups-2017, kimtruth/CTF-write-up
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
witchcraft
3 writeupsAlso written up in: kimtruth/CTF-write-up
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
pegem
1 writeupAlso written up in: mx9mx9/writeups-2017, qwaz/solved-hacking-problem
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
enlightenment
2 writeupsSame technique in picoCTF: PW Crack 2, Permissions, Specialer
Godzilla
1 writeupAlso written up in: mx9mx9/writeups-2017
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Binary exploitation7
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Also written up in: pedroysb/ctf-writeups, kimtruth/CTF-write-up, mx9mx9/writeups-2017, pedroysb/ctf-writeups, kimtruth/CTF-write-up, rls1004.tistory.com
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: vxresearch/ctf-writeups, pedroysb/ctf-writeups, mx9mx9/writeups-2017, kimtruth/CTF-write-up, fadec0d3.blogspot.com
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: mx9mx9/writeups-2017, qwaz/solved-hacking-problem
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: mx9mx9/writeups-2017
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: pedroysb/ctf-writeups, mx9mx9/writeups-2017
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: mx9mx9/writeups-2017
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: mx9mx9/writeups-2017
- pwn
- web
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Uncategorised6
The upstream scoreboard did not say, so neither do we.
Floater
1 official solutionAlso written up in: mx9mx9/writeups-2017
Liberty (Unsolved)
1 official solutionAlso written up in: qwaz/solved-hacking-problem
Reeses Revenge
1 official solutionAlso written up in: mx9mx9/writeups-2017
Shell
1 official solutionAlso written up in: pedroysb/ctf-writeups
Sploit
1 official solutionAlso written up in: murmus/ctf
Test2
1 official solutionAlso written up in: murmus/ctf
Reverse engineering4
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: mx9mx9/writeups-2017
- re
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Pepperidge Farm
2 official solutionsAlso written up in: mx9mx9/writeups-2017, qwaz/solved-hacking-problem
Jargon
1 official solutionAlso written up in: mx9mx9/writeups-2017
Liberty
1 official solutionAlso written up in: mx9mx9/writeups-2017