DEF CON CTF 2018
13 challenges with 15 published solutions between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.
The event listingUncategorised12
The upstream scoreboard did not say, so neither do we.
Also written up in: hzshang/ctf, hzshang/ctf, hzshang/ctf
Duk Config
1 official solutionAlso written up in: hzshang/ctf
Duktape
1 official solutionAlso written up in: hzshang/ctf
Also written up in: yuawn/CTF
Fuck2
1 official solutionAlso written up in: yuawn/CTF
Fuck3 Fin
1 official solutionAlso written up in: yuawn/CTF
Fuck4
1 official solutionAlso written up in: yuawn/CTF
Also written up in: hzshang/ctf
Also written up in: yuawn/CTF
Submit
1 official solutionAlso written up in: hzshang/ctf
Also written up in: yuawn/CTF
Also written up in: hzshang/ctf
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Client3
1 official solutionAlso written up in: hzshang/ctf