2009. CTF 문제

 

 

Level : 1
Point : 100

http://221.143.48.96:8080/level1.jsp

 

Level : 2
Point : 100

find the password

you should translate key to md5 encoded value and verify it.
Download : newbie

 

Level : 3
Point : 200

This program is Encoder.
I encoded the plaintext And memo the encoded string.
But I fotget the plaintext!!!
SHIT, What the...!!!
I don't have decoder!
I hope you decode this string!

Encoded string : A1 FD 7E F6 F0 70 98 D6 E5 F8 FF F8 78 B8 DE ED 0D

p.s) You should input the key which are removed the space in plaintext!
ex.) a b cd(x) => abcd(o)
Download : 87d487f6f605eb96e61be67988e41e6d.exe

 

 

Level : 4
Point : 200

http://wowhacker.org/~chmod777/1sec2oo9/

 

 

Level : 5
Point : 200

find the key!
Download : ad464242428b76125b16c0dae5c84a9c

 

Level : 6
Point : 300

221.143.48.88
Download : blackhole

 

Level : 7
Point : 300

solve it
Download : ppaguri.bmp

 

Level : 8
Point : 300

http://221.143.48.78:8080