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

orrfuscation

Avatar for Mattia Larentis Mattia Larentis
May 08, 2013
Programming
140
0

 orrfuscation

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

Avatar for Mattia Larentis

Mattia Larentis

May 08, 2013

More Decks by Mattia Larentis

See All by Mattia Larentis
Going isomorphic with Django and React
Avatar for Mattia Larentis nostalgia
0
540
django loves gulp
Avatar for Mattia Larentis nostalgia
0
180
The evolution of CSS - 2
Avatar for Mattia Larentis nostalgia
1
130
The evolution of CSS
Avatar for Mattia Larentis nostalgia
4
320
jQuery
Avatar for Mattia Larentis nostalgia
4
450

Other Decks in Programming

See All in Programming
IBM Bobを活用したレガシーアプリの最新化
Avatar for Akira Onishi (IBM) oniak3ibm
PRO
1
240
そのテスト、説明できますか？~LWテスト戦略FW~のご紹介
Avatar for Kei Nakahara nakahara
0
190
分散システム、なんですぐ死んでしまうん？耐障害性を高めたいあなたのためのレジリエンスパターン入門
Avatar for Mitsuhiro Shibuya mshibuya
7
2.9k
1B+ /day規模のログを管理する技術
Avatar for Broadleaf Co., Ltd. broadleaf
0
120
ランチタイムLT会3周年！ランチタイムLT会を3年間続けられたお話
Avatar for y-ohgi y0hgi
1
130
Dataformのリポジトリを立ち上げるときにまずやること / dataform-day0-2026
Avatar for snhryt snhryt
0
210
Hatena Engineer Seminar #37「言語モデルの活用に関する研究」
Avatar for SlashNephy slashnephy
0
490
過去最大のMCPアップデート! 2026-07-28 RC版の謎に迫る
Avatar for matsukada licux
6
450
Observability in Practice：Grafana 與 Edge Device SRE 的那些事
Avatar for Blueswen blueswen
0
190
「正の参照」と 「負の導出」で組む ハーネスエンジニアリング
Avatar for Masahiro Watanabe cottpan
1
120
SLOをサービス品質の共通言語にするために 取り組んできたこと
Avatar for wakanaction wakana0222
0
320
正しくソフトウェアを作る、前提を疑うための認知の視点 / doubt-premise
Avatar for MinoDriven minodriven
21
7.2k

Featured

See All Featured
Paper Plane
Avatar for Katie Cordina Lindsey katiecoart
PRO
1
52k
Designing for Performance
Avatar for Lara Hogan lara
611
70k
Marketing to machines
Avatar for Jono Alderson jonoalderson
1
5.5k
Deep Space Network (abreviated)
Avatar for Tony Rice tonyrice
0
220
What does AI have to do with Human Rights?
Avatar for Per Axbom axbom
PRO
1
2.2k
Neural Spatial Audio Processing for Sound Field Analysis and Control
Avatar for NII S. Koyama's Lab skoyamalab
0
360
Organizational Design Perspectives: An Ontology of Organizational Design Elements
Avatar for Dr. Kim W Petersen kimpetersen
PRO
1
760
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
Avatar for Mfonobong Umondia mfonobong
2
460
sira's awesome portfolio website redesign presentation
Avatar for ElsiraPls elsirapls
0
290
Game over? The fight for quality and originality in the time of robots
Avatar for Wayne Barker wayneb77
1
220
Imperfection Machines: The Place of Print at Facebook
Avatar for Scott Boms scottboms
270
14k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
Avatar for Kenny Baas-Schwegler baasie
0
440

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