You can find the SAINTCON 2014 Hackers Challenge Introduction here.
And this is all the files referenced below: SAINTCON_2014_Hackers_Challenge_CM.zip
The challenges referenced below can be found here:
CM100 – CryptoMagic
Crypto Can Be Fun Files: Win Icon CM100.jpg Script decrypt.py
View the file dec-tux.jpg
CM200 – Dead Mans Stash
There are many old languages out there, some of them are really strange. Hints -Include the X's in the Key Files Zip File CM200.zip
Unzip. 26 files. Images, all the same. With different names. The Names are interesting A-Z.
This looks like a substitution cipher!
LEARN MORE at http://en.wikipedia.org/wiki/Substitution_cipher
And it appears we have the key, where is the cipher text? Lets look closer at that image!
Hmm, try some google-fu: https://www.google.com/search?client=safari&rls=en&q=ancient+lines+slash+language&ie=UTF-8&oe=UTF-8
AHA! Ogham it is: http://www.ancientscripts.com/ogham.html
Let’s see if we can get the Cipher Text.
The cipher text could be:
Use substation and we get:
$ echo "piorofbe hgmoficr h" | tr '[a-z]' '[RIJASFQXHWZBPGETNKOCVUYLDM]' THEKEFIS XQPEFHJK X $ echo "piorowbe ygmowikr y" | tr '[a-z]' '[RIJASFQXHWZBPGETNKOCVUYLDM]' THEKEYIS DQPEYHZK D
Now you are really close, but I don’t have my notes as to the actual key.
The hint “Include the X’s” is important.
CM300 – Ermarian’s Pontifex
DYTXO MDAOC DBTQT SWJWN JKFYN FHYAL ABVVP VECDH TMZTQ FNMSB YWHAW JVISC WKBUA UDIHA KTNXH You'll need the word 'SAINTCON' as well...
A search for the puzzle name takes you to:
Bruce Schneier’s Solitaire cipher (codenamed “Pontifex” in Neal Stephenson’s Cryptonomicon
LEARN MORE at https://pthree.org/2012/06/21/hand-ciphers-solitaire-cipher/
ENTER XXXXX LXULO MURYE OGLGY ZGRVJ JLELA TRDVH XUTWP MKLNJ XZQIU XXXXX TOGET YOURP OINTS
Key: LXULO MURYE OGLGY ZGRVJ JLELA TRDVH XUTWP MKLNJ XZQIU
CM400 – HF is Not Dead
Good luck. Hints: - Once you get to the End, Start back at the beginning and dig deaper... - There is a script embedded in the audio file with Stego... Apply it to the key you get at the end. Files: HF Audio Broadcast HFBroadcast.wav.zip /pre>
I didn’t complete this one. Good luck! I believe it has something to do with the enigma machine. Key:
CM500 – Call Me
-- PUZZLE INFORMATION -- A mysterious woman approaches you about a covert operation. She is willing to reward you handsomely, says "Call me", and gives you a business card with this printed on it: 1d359884c94ca31fbde65ae2d32047cf Good luck! Hint: XXX-XXX-XXXX -- FILES PROVIDED -- None
Looks like and MD5 hash of a phone number!
So I wrote this ruby script to do it! You could also use HashCat.
require 'digest/md5' dn = '' npa = 500 while npa < 1000 do nxx = 0 while nxx < 1000 do num = 0 while num < 10000 do dn = npa.to_s.rjust(3,'0')+'-'+nxx.to_s.rjust(3,'0')+'-'+num.to_s.rjust(4,'0') md5 = Digest::MD5.new md5 << dn # print md5.hexdigest+"\n" print "\n\nWIN" + dn + "WIN\n\n" if md5.hexdigest == '1d359884c94ca31fbde65ae2d32047cf' num +=1 end print dn + "\r" nxx +=1 end npa +=1 end
Call the phone number and you receive a message with the key.