CTF FOR BEGINNERS

Sunday, 20 September 2015

[Write-up] CSAW CTF 2015 - Recon Julian Cohen 100

18:30 Posted by Matnacian csaw, ctf, recon, writeup No comments

One of the easiest challenge in CSAW CTF 2015. Google "Julian Cohen", you can find his twitter: https://twitter.com/HockeyInJune Twitter everywhere! @@ flag{f7da7636727524d8681ab0d2a072d663} --- matnacian --- --- ctf for beginners --- ...

[Write-up] CSAW CTF 2015 - Recon Alexander Taylor 100

18:24 Posted by Matnacian csaw, ctf, recon, writeup No comments

We start with: >>> http://fuzyll.com/csaw2015/start CSAW 2015 FUZYLL RECON PART 1 OF ?: Oh, good, you can use HTTP! The next part is at /csaw2015/<the acronym for my university's hacking club>. OK, let's google "fuzyll". I don't see anything helpful, so I keep googling. With "alexander...

[Write-up] CSAW CTF 2015 - Crypto notesy 100

10:03 Posted by Matnacian crypto, csaw, ctf, writeup No comments

notesy 100 269 solves http://52.7.208.12/ The flag is not in the flag{} format. I'm happy when I didn't spend too much time with this challenge. Poor you :v We were given a link. Try some inputs and I can see it's just a substitute cipher.And google for an alphabet english:https://en.wikipedia.org/wiki/English_alphabet(because...

[Write-up] MMA CTF 2015 - QR code recovery challenge 400

23:23 Posted by Matnacian ctf, forensic, matnacian, writeup 3 comments

Problem You picked up teared QR code fragments. Recover the flag. Flag is 12 characters without MMA{...}. problem.png problem.png During the opening time of MMA CTF, I don't know what to do with this picture. When the CTF ended, I googled "QR code recovery challenge" to find the...

[Write-up] MMA CTF 2015 - Splitted 30

01:53 Posted by Matnacian ctf, forensic, matnacian, writeup 2 comments

This is an "El Clásico" challenge of forensic, but I found it a little bit difficult to solve. Poor me! T.T We got a pcap file here, but like a habit, when waiting Wireshark open the splitted.pcap, I foremost it: Really, easy??? I went to /splitted/output/zip and open the zip file, but it was...

[Write-up] MMA CTF 2015 - Nagoya Castle 100

22:42 Posted by Matnacian ctf, matnacian, stego, writeup No comments

I can't understand this 100-challenge :D We are given an image: Use a stego tool named Stegsolve: https://www.wechall.net/forum/show/thread/527/Stegsolve_1.3/page-1 Open this "awesome" image and view it in "Red plane 0". Bingo! --- matnacian --- --- ctf for beginners -...

[Write-up] MMA CTF 2015 - Pattern Lock 20

22:28 Posted by Matnacian ctf, matnacian, ppc, writeup 1 comment

Problem In android smartphone, you can use "pattern lock". Pattern lock use 9 dots(3x3) on the screen in the figure below. The following figures are examples of lock pattern. Lock pattern must satisfy following three conditions. Use at most once each dot. Use at least 4 dots. Cannot...