## ones_and_zer0es (crypto, 50p, 987 solves)
> [eps1.1_ones-and-zer0es_c4368e65e1883044f3917485ec928173.mpeg](ones-and-zer0es.bin)

### PL Version
`for ENG version scroll down`

Pobieramy wskazany plik. Jego zawartość to:

01100110011011000110000101110100011110110101000001100101011011110111000001101100011001010010000001100001011011000111011101100001
01111001011100110010000001101101011000010110101101100101001000000111010001101000011001010010000001100010011001010111001101110100
00100000011001010111100001110000011011000110111101101001011101000111001100101110011111010010000001001001001001110111011001100101
00100000011011100110010101110110011001010111001000100000011001100110111101110101011011100110010000100000011010010111010000100000
01101000011000010111001001100100001000000111010001101111001000000110100001100001011000110110101100100000011011010110111101110011
01110100001000000111000001100101011011110111000001101100011001010010111000100000010010010110011000100000011110010110111101110101
00100000011011000110100101110011011101000110010101101110001000000111010001101111001000000111010001101000011001010110110100101100
00100000011101110110000101110100011000110110100000100000011101000110100001100101011011010010110000100000011101000110100001100101
01101001011100100010000001110110011101010110110001101110011001010111001001100001011000100110100101101100011010010111010001101001
01100101011100110010000001100001011100100110010100100000011011000110100101101011011001010010000001100001001000000110111001100101
01101111011011100010000001110011011010010110011101101110001000000111001101100011011100100110010101110111011001010110010000100000
01101001011011100111010001101111001000000111010001101000011001010110100101110010001000000110100001100101011000010110010001110011
00101110

Robimy pierwszą oczywistą rzecz i dekodujemy te bity jako tekst:

flat{People always make the best exploits.} I've never found it hard to hack most people. If you listen to them, watch them, th2(...)

Mamy flagę i 50 punktów

### ENG Version

We download provided file. Its contents:

01100110011011000110000101110100011110110101000001100101011011110111000001101100011001010010000001100001011011000111011101100001
01111001011100110010000001101101011000010110101101100101001000000111010001101000011001010010000001100010011001010111001101110100
00100000011001010111100001110000011011000110111101101001011101000111001100101110011111010010000001001001001001110111011001100101
00100000011011100110010101110110011001010111001000100000011001100110111101110101011011100110010000100000011010010111010000100000
01101000011000010111001001100100001000000111010001101111001000000110100001100001011000110110101100100000011011010110111101110011
01110100001000000111000001100101011011110111000001101100011001010010111000100000010010010110011000100000011110010110111101110101
00100000011011000110100101110011011101000110010101101110001000000111010001101111001000000111010001101000011001010110110100101100
00100000011101110110000101110100011000110110100000100000011101000110100001100101011011010010110000100000011101000110100001100101
01101001011100100010000001110110011101010110110001101110011001010111001001100001011000100110100101101100011010010111010001101001
01100101011100110010000001100001011100100110010100100000011011000110100101101011011001010010000001100001001000000110111001100101
01101111011011100010000001110011011010010110011101101110001000000111001101100011011100100110010101110111011001010110010000100000
01101001011011100111010001101111001000000111010001101000011001010110100101110010001000000110100001100101011000010110010001110011
00101110

We start with an obvious approach and we decode given bits as ascii text:

flat{People always make the best exploits.} I've never found it hard to hack most people. If you listen to them, watch them, th2(...)

We have the flag and 50 points.

Original writeup (https://github.com/p4-team/ctf/tree/master/2015-09-16-csaw/crypto_50_ones_and_zer0es#eng-version).