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Wiki-like CTF write-ups repository, maintained by the community. 2016

Python 11.98% HTML 25.18% CSS 1.85% Perl 0.14% PHP 3.40% Ruby 0.77% JavaScript 6.37% Standard ML 0.01% Makefile 0.76% C++ 1.76% C 44.30% Go 0.47% Assembly 0.02% Java 0.43% Rust 0.03% Shell 1.53% Lua 0.19% D 0.09% Roff 0.70% Vim Script 0.01%

write-ups-2016's Introduction

CTF write-ups 2016

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 ‘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 — 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.

Archive

write-ups-2016's People

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cm-recruit shark2016 xlck1ng security-geeks happypixel seichi holyvier raccoons-team abpolym hackathi niklasb hengkyyb hiw0rld notsoethical ammaraskar tandhy chadillac liveoverflow monik3r unicornsasfuel akrasuski1 felicity-iiith fathankusumartono losfuzzys ning1022 jashanbhoora laxa v-supreetha capkhanhduy parthkolekar internetwache kbeckmann ze4lfrog stefan2904 isaac0616 ctfhacker nikaiw shekkbuilder ssst0n3 rookuu superkojiman birdontheway wh1t3fox duckythescientist lminy leejdie crowell dhamuharker jamal972 mykeymykey chubbymaggie gymgit faqihsalban nadeemhussain adriaandens bcyrill alexanderkjall mohammedelamrani cephurs lxf94 firebitsbr m1ghtym0 epicleet bretley derlaft cd3l3on mkow gustibimo rubyzy r00ta shadowcatsctf gokberkgulgun x64x6a rkornmeyer tyage peter50216 ycjcl868 phantom201485015 ccavxx coffeevapple pinkomeo miyeah suxinging luc-lynx azet daniellee83 decept1c0n j5s wjcsharp chbambooshoot vf3ng embpgp spnow walyctf kssandyy ycscanner keystroke95 zerocool443 2089764 shangzw12

write-ups-2016's Issues

HackIM 2016 Crypto 3 team Port 229

HackIM 2016 Crypto 3 team Port 229

https://ctftime.org/writeup/2311

https://cryptsec.wordpress.com/2016/01/31/hackim-ctf-2016-write-up-crypto-question-3-400-points/

Insomni'hack teaser 2016 smartcat1 team Insanity

Insomni'hack teaser 2016 smartcat1 team Insanity

https://ctftime.org/writeup/2299

https://blog.ka0labs.net/post/27/

Insomni'hack teaser 2016 smartcat1 team HighOnCoffee

Insomni'hack teaser 2016 smartcat1 team HighOnCoffee

https://ctftime.org/writeup/2285

https://highon.coffee/blog/insomnihack-ctf-teaser-smartcat1-writeup/

HackIM 2016 Programming 4 team p4

HackIM 2016 Programming 4 team p4

https://ctftime.org/writeup/2316

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/recon_4#eng-version

HackIM 2016 Programming 5 team dotHack//

HackIM 2016 Programming 5 team dotHack//

https://ctftime.org/writeup/2307

http://corb3nik.github.io/2016/01/29/programming-5/

Splitting up CTFs to make the repo more acccessbile

I think using a single branch per ctf might be a good way to go about it. For 2016, you can make an empty branch now then the process is:

git clone -b empty_ctf --single-branch [url] (or git checkout empty_ctf if you are the maintainer of the master)
git checkout -b [ctf_name]

or if the branch already exists for that ctf:

git clone -b [ctf_name] --single-branch [url]

Then once this branch exists the maintainer of the master just needs to:

git checkout master
git merge [ctf_name]

A single branch per ctf allows people to work on the repository without having to clone the entire master branch as it gets bigger. Github also allows users to download a zip of specific branches from the website which is very nice if people want to download a particular ctf and play with those challenges.

I was messing around with the idea here: https://github.com/cm-recruit/write-ups-2016/tree/master

Insomni'hack teaser 2016 smartcat2 team Internetwache

Insomni'hack teaser 2016 smartcat2 team Internetwache

https://ctftime.org/writeup/2278

https://en.internetwache.org/insomnia-teaser-2016-smartcat2-writeup-18-01-2016/

HackIM 2016 Programming 4 team Corb3nik

HackIM 2016 Programming 4 team Corb3nik

https://ctftime.org/writeup/2306

http://corb3nik.github.io/2016/01/29/programming-4/

Break In 2016 Three Thieves Threw Trumpets Through Trees team HackXore

Break In 2016 Three Thieves Threw Trumpets Through Trees team HackXore

https://ctftime.org/writeup/2301

http://h4ckx0re-ctf-crew.co.nf/2016/01/27/break-in-2016-ctf-three-thieves-threw-trumpets-through-trees-100-pts/

HackIM 2016 Programming 3 team p4

HackIM 2016 Programming 3 team p4

https://ctftime.org/writeup/2315

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/recon_3#eng-version

Insomni'hack teaser 2016 smartcat1 team HackXore

Insomni'hack teaser 2016 smartcat1 team HackXore

https://ctftime.org/writeup/2293

http://h4ckx0re-ctf-crew.co.nf/2016/01/23/insomnihack-teaser-2016-smartcat1-50-pts/

Insomni'hack Teaser 2016: rbaced1, toasted

rbaced1 writeup & exploit PoC: http://gnoobz.com/insomnihack-teaser-2016-rbaced1.html
Toasted writeup & exploit PoC: http://gnoobz.com/insomnihack-teaser-2016-toasted.html

The current pastebin link for the rbaced1 external writeups can be replaced with this one, as this writeup also includes the exploit PoC from the pastebin (I am the author of both).

HackIM 2016 Crypto 1 team Port 229

HackIM 2016 Crypto 1 team Port 229

https://ctftime.org/writeup/2309

https://cryptsec.wordpress.com/2016/01/31/hackim-ctf-2016-write-up-crypto-question-1-500-points/

Insomni'hack teaser 2016 rbaced1 team 0daysober

Insomni'hack teaser 2016 rbaced1 team 0daysober

https://ctftime.org/writeup/2290

https://blog.scrt.ch/2016/01/19/rbaced-a-ctf-introduction-to-grsecurity-rbac/

HackIM 2016 Crypto 2 team p4

HackIM 2016 Crypto 2 team p4

https://ctftime.org/writeup/2318

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/crypto_2#eng-version

Insomni'hack teaser 2016 rbaced2 team 0daysober

Insomni'hack teaser 2016 rbaced2 team 0daysober

https://ctftime.org/writeup/2291

https://blog.scrt.ch/2016/01/19/rbaced-a-ctf-introduction-to-grsecurity-rbac/

Insomni'hack teaser 2016 smartcat2 team Hanoiati

Insomni'hack teaser 2016 smartcat2 team Hanoiati

https://ctftime.org/writeup/2289

http://toh.necst.it/insomnihack/web/smartcat/

Insomni'hack teaser 2016 smartcat2 team HighOnCoffee

Insomni'hack teaser 2016 smartcat2 team HighOnCoffee

https://ctftime.org/writeup/2284

[click on title to read at ctftime.org]

HackIM 2016 Exploitation 1

http://gnoobz.com/hackim-ctf-exploitation-100-pinkfloyd.html

Thanks. :)

HackIM 2016 Crypto 4 team HackXore

HackIM 2016 Crypto 4 team HackXore

https://ctftime.org/writeup/2322

http://h4ckx0re-ctf-crew.co.nf/2016/01/31/hackim-ctf-2016-crypto-4/

HackIM 2016 ZorroPub team D3afMut3s

HackIM 2016 ZorroPub team D3afMut3s

https://ctftime.org/writeup/2308

http://vulnerablespace.blogspot.co.uk/2016/01/ctf-writeup-hackim-2016-zorropub-re-100.html

Insomni'hack teaser 2016 smartcat2 team Insanity

Insomni'hack teaser 2016 smartcat2 team Insanity

https://ctftime.org/writeup/2300

https://blog.ka0labs.net/post/27/

HackIM 2016 Crypto 5 team p4

HackIM 2016 Crypto 5 team p4

https://ctftime.org/writeup/2321

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/crypto_5#eng-version

HackIM 2016 Programming 3 team Corb3nik

HackIM 2016 Programming 3 team Corb3nik

https://ctftime.org/writeup/2305

http://corb3nik.github.io/2016/01/29/programming-3/

Break In 2016 Find the Idiot team objEEdump

Break In 2016 Find the Idiot team objEEdump

https://ctftime.org/writeup/2295

[click on title to read at ctftime.org]

HackIM 2016 Crypto 1 team p4

HackIM 2016 Crypto 1 team p4

https://ctftime.org/writeup/2317

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/crypto_1#eng-version

HackIM 2016 Crypto 5 team Port 229

HackIM 2016 Crypto 5 team Port 229

https://ctftime.org/writeup/2313

https://cryptsec.wordpress.com/2016/01/31/hackim-ctf-2016-write-up-crypto-question-5-500-points/

Insomni'hack teaser 2016 smartcat1 team Hanoiati

Insomni'hack teaser 2016 smartcat1 team Hanoiati

https://ctftime.org/writeup/2288

http://toh.necst.it/insomnihack/web/smartcat/

HackIM 2016 Programming 1 team Corb3nik

HackIM 2016 Programming 1 team Corb3nik

https://ctftime.org/writeup/2304

http://lvh.me:4000/2016/01/29/programming-1/

HackIM 2016 Crypto 2 team Port 229

HackIM 2016 Crypto 2 team Port 229

https://ctftime.org/writeup/2310

https://cryptsec.wordpress.com/2016/01/31/hackim-ctf-2016-write-up-crypto-question-2-400-points/

Break In 2016 You Can(t) See Me team objEEdump

Break In 2016 You Can(t) See Me team objEEdump

https://ctftime.org/writeup/2296

[click on title to read at ctftime.org]

HackIM 2016 Crypto 4 team Port 229

HackIM 2016 Crypto 4 team Port 229

https://ctftime.org/writeup/2312

https://cryptsec.wordpress.com/2016/01/31/hackim-ctf-2016-write-up-crypto-question-4-200-points/

Break In

Insomni'hack teaser 2016 smartcat1 team p4

Insomni'hack teaser 2016 smartcat1 team p4

https://ctftime.org/writeup/2282

https://github.com/p4-team/ctf/tree/master/2016-01-16-insomnihack/web_100_smartcat#smartcat1-eng

Insomni'hack teaser 2016 smartcat2 team pony7

Insomni'hack teaser 2016 smartcat2 team pony7

https://ctftime.org/writeup/2280

https://pony7.fr/ctf:public:insomnihack-teaser:smartcat

Insomni'hack teaser 2016 Fridginator team Raccoons

Insomni'hack teaser 2016 Fridginator team Raccoons

https://ctftime.org/writeup/2287

[click on title to read at ctftime.org]

Nullcon HackIm

https://ctftime.org/event/285

I was able to download public files for several challenges.

However, some challenges require to solve previous challenges - and I got no time for that.

So here is a list of challenges that somebody else has to download or get a hold of:

Break In 2016 Eigth Circles of Hell team tak

Break In 2016 Eigth Circles of Hell team tak

https://ctftime.org/writeup/2298

https://takt0rs.wordpress.com/2016/01/25/break-in-2106-eighth-circle-of-hell/

Insomni'hack teaser 2016 smartcat2 team p4

Insomni'hack teaser 2016 smartcat2 team p4

https://ctftime.org/writeup/2283

https://github.com/p4-team/ctf/tree/master/2016-01-16-insomnihack/web_100_smartcat#smartcat2-eng

HackIM 2016 Programming 2 team p4

HackIM 2016 Programming 2 team p4

https://ctftime.org/writeup/2314

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/recon_2#eng-version

Insomni'hack teaser 2016 Fridginator team pony7

Insomni'hack teaser 2016 Fridginator team pony7

https://ctftime.org/writeup/2281

https://pony7.fr/ctf:public:insomnihack:fridginator_10k

Break In 2016 Bots are Awesome! team objEEdump

Break In 2016 Bots are Awesome! team objEEdump

https://ctftime.org/writeup/2297

[click on title to read at ctftime.org]

HackIM 2016 Crypto 4 team p4

HackIM 2016 Crypto 4 team p4

https://ctftime.org/writeup/2320

https://github.com/p4-team/ctf/tree/master/2016-01-29-nullcon/crypto_4#eng-version

Break In 2016 Three Thieves Threw Trumpets Through Trees team objEEdump

Break In 2016 Three Thieves Threw Trumpets Through Trees team objEEdump

https://ctftime.org/writeup/2302

[click on title to read at ctftime.org]

Insomni'hack teaser 2016 Bring the noise team Against All Authority

Insomni'hack teaser 2016 Bring the noise team Against All Authority

https://ctftime.org/writeup/2286

https://adriancohea.ninja/bring-the-noise-insomnihack-teaser-2016/

HackIM 2016 Unicle team bl4de

HackIM 2016 Unicle team bl4de

https://ctftime.org/writeup/2319

[click on title to read at ctftime.org]

CSAW CTF Final Round 2015 Boombox team RPISEC

CSAW CTF Final Round 2015 Boombox team RPISEC

https://ctftime.org/writeup/2303

https://github.com/aweinstock314/aweinstock-ctf-writeups/blob/master/csaw_finals_2015/exploitation500_boombox/boombox_writeup.md

Break In 2016 Oops team objEEdump

Break In 2016 Oops team objEEdump

https://ctftime.org/writeup/2294

[click on title to read at ctftime.org]

Insomni'hack teaser 2016 smartcat1 team NUSGreyhats

Insomni'hack teaser 2016 smartcat1 team NUSGreyhats

https://ctftime.org/writeup/2292

http://nusgreyhats.org/write-ups/INSOMNIHACK-CTF-Teaser-2016-Write-Up-Smartcat1/

Insomni'hack teaser 2016 smartcat1 team pony7

Insomni'hack teaser 2016 smartcat1 team pony7

https://ctftime.org/writeup/2279

https://pony7.fr/ctf:public:insomnihack-teaser:smartcat

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