DEF CON CTF Qualifier 2016
24 challenges with 109 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 CTFtimeBinary exploitation8
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: ctfs/write-ups-2016, VulnHub/ctf-writeups, vulnhub/ctf-writeups, bcharron/ctf-writeups, hcs0/ctf-writeups, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: ctfs/write-ups-2016, bcharron/ctf-writeups, vishwaraj/write-ups-2016, bcharron/ctf-writeups
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: ctfs/write-ups-2016, rossgibb/ctf, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: vr-school, sice_cream, zero_to_hero
Also written up in: ctfs/write-ups-2016, tarafans/CTF-writeup, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Misc6
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: ctfs/write-ups-2016, qwaz/solved-hacking-problem, samuraictf/writeups, vishwaraj/write-ups-2016, kitctf/writeups
- coding
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- cgc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- cgc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- cgc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- coding
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- cgc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Reverse engineering5
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: ctfs/write-ups-2016, raccoons-team/ctf, bcharron/ctf-writeups, vishwaraj/write-ups-2016, opensource-thoughts.blogspot.sg
- reversing
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: ctfs/write-ups-2016, bcharron/ctf-writeups, vishwaraj/write-ups-2016, bcharron/ctf-writeups
- reversing
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: ctfs/write-ups-2016, bcharron/ctf-writeups, vishwaraj/write-ups-2016
- reversing
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- cgc
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
baby re (RE)
1 official solutionAlso written up in: p1kachu.pluggi.fr
Uncategorised5
The upstream scoreboard did not say, so neither do we.
Sudhackar
4 official solutionsAlso written up in: ByteBandits/writeups, Hope0351/CTF-collection, ByteBandits/writeups, Hope0351/CTF-collection
Scoreboard
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
crippled [Coding ]
1 official solutionAlso written up in: thegoonies.github.io
Execve Shellcode X64
1 official solutionAlso written up in: rossgibb/ctf
Justintime
1 official solutionAlso written up in: samuraictf/writeups