Flare-on Challenge 2018 Write-up
Flare-on challenge is a Reverse-style CTF challenge created by the FireEye FLARE team. The CTF contains lots of interesting, real-world style reversing chall...
Categories
write-ups
Chakrazy – exploiting type confusion bug in ChakraCore engine
Chakrazy is a browser CTF challenge created by team PPP for the 2017 PlaidCTF event. It’s a challenge based on Microsoft’s ChakraCore Javascript engine. You ...
Learning browser exploitation via 33C3 CTF feuerfuchs challenge
So I’ve been playing with the browser exploitation recently, by studying some browser CTF challenges. So far I’ve tried qwn2own, SGX_Browser and feuerfuchs.
hxp CTF 2017 – hardened_flag_store
Category: Pwnable
MeePwn CTF 2017 – Brainfuck 1 & 2
Category: Pwnable
MeePwn CTF 2017 – anotherarena
Category: Pwnable
MeePwn CTF 2017 – Old School
Category: Pwnable
DEFCON CTF 2017 Quals – badint
Category: Potent Pwnables
DEFCON CTF 2017 Quals – peROPdo
Category: Potent Pwnables
33C3 CTF 2016 – rec
Category: pwn Points: 200
33C3 CTF 2016 – babyfengshui
Category: pwn Points: 150
33C3 CTF 2016 – ESPR
Category: pwn Points: 150
33C3 CTF 2016 – The 0x90s called
Category: pwn Points: 150
33C3 CTF 2016 – pdfmaker
Category: Misc Points: 75
SECCON CTF 2016 – chat
Category: Exploit Points: 500
SECCON CTF 2016 – checker
Category: Exploit Points: 300
HITCON CTF 2016 Quals – Shelling Folder
Category: pwn Points: 200
HITCON CTF 2016 Quals – Hackpad
Category: Crypto & Forensics Points: 150
HITCON CTF 2016 Quals – ROP
Category: Reverse Points: 250
HITCON CTF 2016 Quals – flame
Category: PPC ( more like Reverse ) Points: 150
HITCON CTF 2016 Quals – Secret Holder
Category: pwn Points: 100
ASIS CTF Finals 2016 – shadow
Category: pwn Points: 99
ASIS CTF Finals 2016 – car market
Category: pwn Points: 177
MMA 2nd CTF 2016 – Interpreter
Category: pwn Points: 200
MMA 2nd CTF 2016 – greeting
Category: pwn Points: 150
Hack.lu CTF 2015 – secret library
Category: Reversing Points: 200
CSAW CTF 2015 – autobots
Category: Exploitable Points: 350
CSAW CTF 2015 – wyvern
Category: Reversing Points: 500
CSAW CTF 2015 – FTP & FTP2
Category: Reversing (FTP) & Exploitable (FTP2) Points: 300 (FTP) & 300 (FTP2)
CSAW CTF 2015 – Hacking Time
Category: Reversing Points: 200
AIS3 2015 pre-exam – complete writeup
考量到參與 AIS3 2015 pre-exam 的人幾乎都是台灣人 這個 blog 的第一篇中文 writeup 就獻給這篇了 XD 基本上就是全包這次 exam 的所有題目 有問題歡迎留言討論
DEFCON CTF 2015 Quals – wibbly-wobbly-timey-wimey
Category: Pwnable Points: 2 Wibbly Wobbly Timey Wimey Don’t blink! wwtw_c3722e23150e1d5abbc1c248d99d718d.quals.shallweplayaga.me:2606
DEFCON CTF 2015 Quals – catwestern
Category: Coding Challenge Points: 1 meow catwestern_631d7907670909fc4df2defc13f2057c.quals.shallweplayaga.me 9999
ASIS CTF 2015 Quals – Saw this (1 & 2)
Category: pwn Points: 100 (Saw this-1), 400 (Saw this-2)
DEFCON CTF 2015 Quals – mathwhiz
Category: Baby’s First Points: 1 mathwhiz_c951d46fed68687ad93a84e702800b7a.quals.shallweplayaga.me:21249
DEFCON CTF 2015 Quals – r0pbaby
Category: Baby’s First Points: 1 r0pbaby_542ee6516410709a1421141501f03760.quals.shallweplayaga.me:10436
ASIS CTF 2015 Quals – grids
Category: Programming Points: 300
VolgaCTF 2015 Quals – my little pwnie
Category: Pwn Points: 250 Just another pwn task. Break in! nc pwnie.2015.volgactf.ru 7777 my_little_pwnie
VolgaCTF 2015 Quals – math problem
Category: PPC Points: 300 nc mathproblem.2015.volgactf.ru 8888
BackdoorCTF 2015 – Binary + Misc
BackdoorCTF 2015 For me, this is a challenge for CTF beginners. Most of the challenges are easy to solve, although some of them require some “imagination”…
0CTF 2015 Quals – geo-newbie
Talentyange gives lots of tedious apks and you know how bad he is now. Let’s try some interesting geography knowledge. nc 202.112.26.111 29995 / nc 2...
0CTF 2015 Quals – (Baby)PolyQuine
Different people see different me. But I am always myself. <202.112.26.114:12321> Make the output of your program exactly the same as your source...
SCTF 2014 – Code400
Code400 gave us a python script
SCTF 2014 – Pwn400
Similar with Pwn200, Pwn400 gave us a binary file, but no libc.so. Open it with IDA Pro and analyze it, we found some information:
SCTF 2014 – Pwn200
SCTF is a CTF contest hold by XCTF ( seems like a Chinese version’s CTFtime.org ). Teaming up with my labmates, we have a lot of fun solving the challenges, ...
ASIS CTF Finals 2014 – TicTac
Description: Find flag in this file
ASIS CTF Finals 2014 – SATELLITE
Description: Connect here and find the flag: nc asis-ctf.ir 12435
ASIS CTF Finals 2014 – How much exactly + Lottery
Both challenges are kind of easy, so I decide to put their writeups together.
CSAW CTF 2014 – Exploitation 400 saturn
First the challenge gave us a binary file (ELF for Intel-386). But we can’t execute it, cause we don’t have the required shared library “libchallengeresponse...
CSAW CTF 2014 – Exploitation 200 pybabbies
CSAW CTF 2014 is the second CTF contest I’ve attended ( the first one was the HITCON CTF 2014 ) . Since this is the first time I’ve actually solved something...
note
Some notes on migrating to Jekyll
Recently I’ve decided to migrate my blogging framework from Hexo to Jekyll. Here are some notes that I took for recording the migration process.
Migrate to Github Pages
So I finally decided to migrate my blog from Logdown to Github Pages. Took me about three days to get it done. Here I write down some notes to record the who...