Upgrade to Pro — share decks privately, control downloads, hide ads and more …

orrfuscation

Mattia Larentis
May 08, 2013
Programming
0
130

 orrfuscation

A lightning talk about "obfuscation" in javascript. Never trust sheep.

Mattia Larentis

May 08, 2013
Tweet

More Decks by Mattia Larentis

See All by Mattia Larentis
Going isomorphic with Django and React
nostalgia
0
510
django loves gulp
nostalgia
0
160
The evolution of CSS - 2
nostalgia
1
100
The evolution of CSS
nostalgia
4
310
jQuery
nostalgia
4
440

Other Decks in Programming

See All in Programming
毎日13時間もかかるバッチ処理をたった3日で60%短縮するためにやったこと
sho_ssk_
1
490
なまけものオバケたち -PHP 8.4 に入った新機能の紹介-
tanakahisateru
1
140
月刊 競技プログラミングをお仕事に役立てるには
terryu16
1
700
短期間での新規プロダクト開発における「コスパの良い」Goのテスト戦略」 / kamakura.go
n3xem
2
210
Beyond ORM
77web
11
1.5k
LLM Supervised Fine-tuningの理論と実践
datanalyticslabo
8
1.8k
Monixと常駐プログラムの勘どころ / Scalaわいわい勉強会 #4
stoneream
0
320
Effective Signals in Angular 19+: Rules and Helpers
manfredsteyer
PRO
0
310
React 19でお手軽にCSS-in-JSを自作する
yukukotani
5
530
アクターシステムに頼らずEvent Sourcingする方法について
j5ik2o
6
650
開発者とQAの越境で自動テストが増える開発プロセスを実現する
92thunder
1
220
ドメインイベント増えすぎ問題
h0r15h0
2
530

Featured

See All Featured
The Invisible Side of Design
smashingmag
299
50k
How GitHub (no longer) Works
holman
312
140k
Making Projects Easy
brettharned
116
6k
Fashionably flexible responsive web design (full day workshop)
malarkey
406
66k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
6
480
GraphQLの誤解/rethinking-graphql
sonatard
68
10k
Imperfection Machines: The Place of Print at Facebook
scottboms
266
13k
The Language of Interfaces
destraynor
155
24k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
97
17k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
33
2.7k
KATA
mclloyd
29
14k
Become a Pro
speakerdeck
PRO
26
5.1k

Transcript

  1. orrfuscation

  2. April 18 at 9:03pm

  3. ([]+{})[!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])

  4. brainfuck?

  5. linguaggio “nomale”?

  6. javascript!

  7. ([]+{})[!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])

  8. Orrú

  9. ([]+{})[!0<<-~(1<<1)]

  10. []+{} “[object Object]”

  11. “[object Object]”[!0<<-~(1<<1)]

  12. !0 1

  13. (1<<1) 2

  14. ~2 -3

  15. 1<<3 8

  16. “[object Object]”[8] “O”

  17. ([]+!-[])[1<<1-1]

  18. -[] 0

  19. []+!-[] “true”

  20. “true”[1<<1-1]

  21. 1<<1 2

  22. “true”[1] “r”

  23. unescape((/%/+[[]+1/!1]) [1]+(/1/[1]+[])[1%1]+(+! 1)+(+!1)+(/<</[1]+[]) [1<<-~(1^1)<<!0]+([]+!!- [])[~~(1^1)+!0]) “ú”

  24. “O” + “r” + “r” + “ú”

  25. None