CTF AC Quals Personal Writeups 2026
13 challenges with 14 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised12
The upstream scoreboard did not say, so neither do we.
Also written up in: sajjadium/ctf-archives, sajjadium/ctf-archives
writeup8BitQuest
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupAlienResponse
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupBabydroid
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupBankOfAC
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupCrossing33
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupDomainExpansion
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupDragonGuard
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupIncrementingDown
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupPalimpsest
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupPhantomledger
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
writeupWirelessHotspot
1 official solutionAlso written up in: VVolFYe/CTF-AC-2026-Quals---Personal-Writeups
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Another One
1 official solutionAlso written up in: sajjadium/ctf-archives