Wiki-like CTF write-ups repository, maintained by the community. 2015
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0ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for 0ctf/32c3 Feb 12, 2016
32c3-ctf-2015 Update README.md Oct 12, 2016
9447-ctf-2015 Moved writeup to the end Oct 2, 2016
asis-finals-ctf-2015 πŸ”₯ Delete duplicate by SHA256 Aug 6, 2016
asis-quals-ctf-2015 πŸ’Š Fix some mistakes in last writeup Aug 22, 2016
backdoor-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for backdoor Feb 12, 2016
bctf-2015 πŸ”— Add writeup link(s) for missing bctf-2015 challenges. #709 Feb 18, 2016
boston-key-party-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for boston-key-party-2015 Feb 12, 2016
break-in-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for break-in-ctf-2015 Feb 12, 2016
bsides-vancouver-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for bsides-vancouver-ctf-2015 Feb 12, 2016
camp-ctf-2015 Added BannSecurity Writeup Feb 24, 2016
codegate-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for codegate-ctf-2015 Feb 12, 2016
codegate-ctf-junior-2015 πŸ”— Add writeup links for several challenges Jan 16, 2016
confidence-ctf-teaser-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for confidence-ctf-teaser-2015 Feb 12, 2016
csaw-ctf-2015 πŸ“ Add writeup for polictf-2015/crack-me-if-you-can Jul 31, 2016
csaw-finals-ctf-2015 πŸ”— Add writeup link(s) for missing csaw-finals-ctf-2015 challenges. #708 Feb 18, 2016
cyber-security-challenge-2015 πŸ”— Add exploit script for cyber-security-challenge-2015/nviso-file-ho… Feb 27, 2016
dctf-2015 πŸ”— Add exploit script for cyber-security-challenge-2015/nviso-file-ho… Feb 27, 2016
defcon-qualifier-ctf-2015 update 2015 defcon quals scoreboard link Feb 14, 2016
easyctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for easyctf-2015 Feb 12, 2016
ekoparty-ctf-2015 πŸ”— Add writeup link(s) for missing ekoparty-ctf-2015 challenges. #708 #… Feb 18, 2016
ekoparty-pre-ctf-2015 Fixes #725 Correcting the address of the username Aug 27, 2017
exodus-adventure/adventure Add exodus adventure Apr 29, 2015
faust-ad-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for faust-ad-ctf-2015 Feb 12, 2016
ghost-in-the-shellcode-2015 Merge pull request #730 from AntoninKeyidentity/patch-5 Jul 11, 2017
hack-dat-kiwi-ctf-2015 added another writeup link Feb 29, 2016
hack-lu-ctf-2015 Add external hack.lu 15 / bookstore writeup Feb 25, 2016
hackcon-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for hackcon-2015 Feb 12, 2016
hackover-ctf-2015 πŸ’Š Fix misspelling Aug 6, 2016
haxdump-ctf-2015 πŸ”— Add writeup link(s) for missing haxdump-ctf-2015 challenges. #708 Feb 18, 2016
hitcon-ctf-quals-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
ibteam-blackvalentine-ctf-2015 πŸ”— Add slideshow with writeups for ibteam CTF Feb 17, 2016
icectf-2015 πŸ”— Add writeup link(s) for missing icectf-2015 challenges. #708 #702 #… Feb 18, 2016
ictf-ad-2015 πŸ“š Add local scoreboard for iCTF Dec 21, 2015
inc0gnito-ctf-2015 πŸ“ Add Write-up for inc0gnito/Reversing Oct 31, 2016
insomni-hack-ctf-2015 πŸ”— Add writeup link(s) for missing insomni-hack-ctf-2015 challenges. #… Feb 18, 2016
insomni-hack-ctf-teaser-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for insomni-hack-ctf-teaser-2015 Feb 12, 2016
mma-ctf-2015 πŸ’Š Fix last writeup pictures Jul 31, 2016
nuit-du-hack-ctf-quals-2015 πŸ’Š Fix order local writeup author, writeup dependencies, keywords, wr… Aug 14, 2016
nullcon-hackim-2015 πŸ”— Add writeup link(s) for nullcon-hackim-2015 #710 Feb 18, 2016
opentoall-ctf-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
plaidctf-2015 πŸ”— Add writeup link(s) for missing plaidctf-2015 challenges. #705 Feb 16, 2016
polictf-2015 πŸ“ Add writeup for polictf-2015/crack-me-if-you-can Jul 31, 2016
pragyan-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for pragyan-ctf-2015 Feb 13, 2016
rctf-quals-2015 πŸ”— Add writeup link(s) for missing rctf-quals-2015 challenges. #708 #702 Feb 18, 2016
ructfe-ad-2015 πŸ“š Add local scoreboard for RuCTFE Dec 21, 2015
sCTF-2015 πŸ”— Add writeup links for several challenges Jan 16, 2016
school-ctf-2015 πŸ”— Add writeup link(s) for missing school-ctf-2015 challenges. #628 #705 Feb 17, 2016
school-ctf-winter-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
seccon-quals-ctf-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
securinets-ctf-2015 πŸ“ πŸ’Š Add authors of repo-local writeups for securinets-ctf-2015 Feb 13, 2016
stem-ctf-2015 πŸ’Š πŸ“š Fix "2015 2015" duplicates in ctf Readmes Dec 20, 2015
th3jackers-ctf-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
thailand-ctf-2015 πŸ”— Add external write-ups for MsPing Oct 7, 2015
trend-micro-ctf-2015 πŸ’Š πŸ“š Fix "2015 2015" duplicates in ctf Readmes Dec 20, 2015
tum-ctf-teaser-2015 πŸ“ Add writeup for 9447/the-real-flag-finder. Add missing file for tu… May 28, 2016
uiuctf-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
volgactf-quals-2015 πŸ’Š πŸ’Ύ Fix mega.nz download links, adding the decryption key for each. Feb 19, 2016
whitehat-contest-10 πŸ”— Add writeup link(s) for missing ekoparty-ctf-2015 challenges. #706 #… Feb 17, 2016
whitehat-grand-prix-qualification-2015 πŸ’Š Fix picture link in last writeup Aug 14, 2016
.gitignore πŸ“ Add writeup for easyctf/lolteam Jan 2, 2016
CONTRIBUTING.md πŸ“š New rule for Contributing.md Feb 5, 2016
README.md πŸ“š Add reference to 2016 repo Dec 16, 2015

README.md

CTF write-ups 2015

There are some problems with CTF write-ups in general:

  • they’re scattered across the interwebs
  • they don’t usually include the original files needed to solve the challenge
  • some of them are incomplete or skip β€˜obvious’ parts of the explanation, and are therefore not as helpful for newcomers
  • often they disappear when the owner forgets to renew their domain or shuts down their blog

This repository aims to solve those problems.

It’s a collection of CTF source files and write-ups that anyone can contribute to. Did you just publish a CTF write-up? Let us know, and we’ll add a link to your post β€” or just add the link yourself and submit a pull request. Spot an issue with a solution? Correct it, and send a pull request.

Contributing

Please read CONTRIBUTING.md.

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