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Mattia Larentis
May 08, 2013
Programming
0
140
orrfuscation
A lightning talk about "obfuscation" in javascript. Never trust sheep.
Mattia Larentis
May 08, 2013
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Transcript
orrfuscation
April 18 at 9:03pm
([]+{})[!0<<-~(1<<1)]+ ([]+!-[])[1<<1-1]+([]+!- [])[1<<1-1]+unescape((/ %/+[[]+1/!1])[1]+(/1/ [1]+[])[1%1]+(+!1)+(+! 1)+(/<</[1]+[])[1<<- ~(1^1)<<!0]+([]+!!-[]) [~~(1^1)+!0])
brainfuck?
linguaggio “nomale”?
javascript!
([]+{})[!0<<-~(1<<1)]+ ([]+!-[])[1<<1-1]+([]+!- [])[1<<1-1]+unescape((/ %/+[[]+1/!1])[1]+(/1/ [1]+[])[1%1]+(+!1)+(+! 1)+(/<</[1]+[])[1<<- ~(1^1)<<!0]+([]+!!-[]) [~~(1^1)+!0])
Orrú
([]+{})[!0<<-~(1<<1)]
[]+{} “[object Object]”
“[object Object]”[!0<<-~(1<<1)]
!0 1
(1<<1) 2
~2 -3
1<<3 8
“[object Object]”[8] “O”
([]+!-[])[1<<1-1]
-[] 0
[]+!-[] “true”
“true”[1<<1-1]
1<<1 2
“true”[1] “r”
unescape((/%/+[[]+1/!1]) [1]+(/1/[1]+[])[1%1]+(+! 1)+(+!1)+(/<</[1]+[]) [1<<-~(1^1)<<!0]+([]+!!- [])[~~(1^1)+!0]) “ú”
“O” + “r” + “r” + “ú”
None