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

orrfuscation

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

 orrfuscation

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

Avatar for Mattia Larentis

Mattia Larentis

May 08, 2013
Tweet

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
170
The evolution of CSS - 2
Avatar for Mattia Larentis nostalgia
1
120
The evolution of CSS
Avatar for Mattia Larentis nostalgia
4
310
jQuery
Avatar for Mattia Larentis nostalgia
4
440

Other Decks in Programming

See All in Programming
Swift ConcurrencyでよりSwiftyに
Avatar for 野瀬田　裕樹 yuukiw00w
0
240
オブザーバビリティ駆動開発って実際どうなの？
Avatar for yohfee yohfee
3
690
The Ralph Wiggum Loop: First Principles of Autonomous Development
Avatar for Ryuichiro Semba sembayui
0
3.7k
Codexに役割を持たせる 他のAIエージェントと組み合わせる実務Tips
Avatar for o8n o8n
0
420
ふつうの Rubyist、ちいさなデバイス、大きな一年
Avatar for bash0C7 bash0c7
0
580
Rails Girls Tokyo 18th GMO Pepabo Sponsor Talk
Avatar for Yuto Kondo yutokyokutyo
0
200
受け入れテスト駆動開発(ATDD)×AI駆動開発 AI時代のATDDの取り組み方を考える
Avatar for Takasaki Kazunari kztakasaki
2
520
AI時代でも変わらない技術コミュニティの力～10年続く“ゆるい”つながりが生み出す価値
Avatar for Takehata Naoto n_takehata
2
640
Python’s True Superpower
Avatar for Hynek Schlawack hynek
0
200
RubyとGoでゼロから作る証券システム： 高信頼性が求められるシステムのコードの外側にある設計と運用のリアル
Avatar for free_world21 free_world21
0
210
Event Storming
Avatar for Henning Schwentner hschwentner
3
1.3k
AHC061解説
Avatar for Shun_PI shun_pi
0
320

Featured

See All Featured
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
Avatar for Christian Goodrich cargoodrich
3
120
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
3k
Designing for Timeless Needs
Avatar for Cassini Nazir cassininazir
0
150
The B2B funnel & how to create a winning content strategy
Avatar for Katarina Dahlin katarinadahlin
PRO
1
290
Scaling GitHub
Avatar for Zach Holman holman
464
140k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
Building Experiences: Design Systems, User Experience, and Full Site Editing
Avatar for Michelle Schulp Hunt marktimemedia
0
430
Building a A Zero-Code AI SEO Workflow
Avatar for Ian Lurie portentint
PRO
0
370
Building the Perfect Custom Keyboard
Avatar for Naoto Takai takai
2
710
How to Grow Your eCommerce with AI & Automation
Avatar for Katarina Dahlin katarinadahlin
PRO
1
130
Reality Check: Gamification 10 Years Later
Avatar for Sebastian Deterding codingconduct
0
2k
Technical Leadership for Architectural Decision Making
Avatar for Kenny Baas-Schwegler baasie
3
270

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