Tuesday, April 19, 2016

Sctf 2016 Q Unbrewed (85 pts)


File : unbrewed.jar
Hint  : Unlike pour-over, this coffee can be unbrewed.

lets decompile  unbrewed.jar





interesting Array :

IntArray(new int[] { -102, 30, -46, -83, 123, 110, 105, 99, -116, 34, -59, -66, 112, 95, 111, 102, -74, 13, -55, -66, 114, 95, 111, 118, -116, 15, -37 })))

Decimal2ascii

-102
30
-46
-83
123 {
110 n
105 i
99  c
-116
34
-59
-66
112 p
95  _
111 o
102 f
-74
13
-55
-66
114 r
95 _
111 o
118 v
-116
15
-37

XXXX{nicXXXXp_ofXXXXr_ovXXX

the flag start  with sctf and last is }

hint : pour-over

sctf{nicXXXXp_ofXXXXr_ovXX}

sctf{nicXXXXp_ofXpour_over}

sctf{nicXXXXp_of_pour_over}

guess :

sctf{nice_XXp_of_pour_over}

flag is  sctf{nice_cup_of_pour_over}




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