Nullcon HackIM 2016 CTF – Programming

Programming 1 | 200 Points

So you reached Delhi and now the noise in your head is not allowing you to think rationally. The Nosise in your head has origin its Origin in your Stomach. And this is a big hunger. You can finish one or probably 2 Tandoori Chicken. So where can you get the best Tandoori Chicken in Delhi? This place tweeted last week that the Tandoori Chicken it servers is like never B4. You got its twitter handle?

Answer: Hints in questions are “Tandoori Chicken in Delhi”, “Twitter”, “Tandoori Chicken it servers like never before”

I directly went to twitter and searched some words like tandoori chicken and Delhi. found @AnyaHotels and the same line.

Hackim Programming 1

Flag: @anyahotels


Programming 2| 300 Points

Your simple good Deeds can save you but your GREED can kill you. This has happened before. This greedy person lived a miserable life just for the greed of gold and lust. You must know him, once you know him, you must reach his capital and next clues will be given by his famous EX-Body Guard. This file consists of few paragraphs. Each paragraph singles out one Alphabet. Scrambling those Aplphabets will help you to know the country of this Ruler. Who was this Ruler?

Text File Content: ( http://ctf.nullcon.net/prog/TheLastRuler.txt)

hackim programming 2

 

Answer: We need to singles out one alphabet from the paragraph. Initially I don’t know the meaning of “singles out” and finally come to know like we have to select the most used letter from each paragraph and I got the word aliby…by collapsing the word I got this country “Libya” and Google !!!!

Flag : Muammar Gaddafi

 


Programming 3| 300 Points

Still Hungry and unsutisfied, you are looking for more. Some more, unique un heard dishes. Then you can find one to make it your self. Its his Dish. He has his own website which is he describes as ” a social home for each of our passions”. The link to his website is on his google+ page. whats the name of his site. By the way he loves and hogs on “Onion Kheer”. Have you heard of “Onion Kheer”?

 

Answer: Simply searched the sentence on google “a social home for each of our passions”…1st result is the flag…:P

hackim programming 3

Flag: affimity.com

 


Programming 4| 400 Points

One of the NullCon vidoes talked about a marvalous Russian Gift. The Vidoe was uploaded on [May of 2015] What is the ID of that youtube video.

Answer:  Hint: “Youtube ID” …… Directly went to the nullcon youtube channel and tried all 8months before video ids and GOT FLAG !!!!!!

Screenshot_3

Flag: a4_PvN_A1ts

 


Programming 5| 500 Points

Don’t blink your Eyes, you might miss it. But the fatigue and exhaustion rules out any logic, any will to stay awake. What you need now is a slumber. Cat nap will not do. 1 is LIFE and 0 is DEAD. in this GAME OF LIFE sleep is as important food. So… catch some sleep. But Remember…In the world of 10×10 matirx, the Life exists. If you SLOTH, sleep for 7 Ticks, or 7 Generation, In the game of Life can you tell what will be the state of the world?

 

The world- 10×10

0000000000,0000000000,0001111100,0000000100,0000001000,0000010000,0000100000,0001000000,0000000000,000000000

Answer: Hint “7”, “GAME OF LIFE”

Its little bit tricky and second day only I solved this. I got the Number 7 when ordering the binary strings

hackim programming 5

and by google the “Game of Life” I got one link with Game of Life board.

http://pmav.eu/stuff/javascript-game-of-life-v3.1.1/

after enter the 7 in the board I run it seven time as the question clearly says its 7th generation.

hackim programming 5.2

I converted the points again into binary strings.

hackim programming 5 flag

Flag: 0000000000,0001100000,0001111010,0000001001,0000001010,0000000000,0000000000,0000000000,0000000000,0000000000