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

Hacking WhatsApp

Avatar for Enrique López Mañas Enrique López Mañas
December 22, 2012
Programming
4
1.3k

Hacking WhatsApp

GDG Presentation
Avatar for Enrique López Mañas

Enrique López Mañas

December 22, 2012
Tweet

More Decks by Enrique López Mañas

See All by Enrique López Mañas
KMP_for_Swift.pdf
Avatar for Enrique López Mañas kikoso
0
46
Android Benchmarking and other stories
Avatar for Enrique López Mañas kikoso
0
130
KMP for Mobile Developers
Avatar for Enrique López Mañas kikoso
0
70
Diving into Coroutines
Avatar for Enrique López Mañas kikoso
1
70
K/N for mobile developers (including libraries' snippets)
Avatar for Enrique López Mañas kikoso
0
88
Kotlin/Native for Multiplatform development
Avatar for Enrique López Mañas kikoso
0
64
TensorFlow for Mobile Developers
Avatar for Enrique López Mañas kikoso
0
21
Kotlin/Native for Multiplatform development
Avatar for Enrique López Mañas kikoso
1
190
TensorFlow for Mobile Developers
Avatar for Enrique López Mañas kikoso
0
160

Other Decks in Programming

See All in Programming
git worktree × Claude Code × MCP ～生成AI時代の並列開発フロー～
Avatar for hisuzuya hisuzuya
1
540
GitHub Copilot and GitHub Codespaces Hands-on
Avatar for Kento.Yamada ymd65536
2
140
「Cursor/Devin全社導入の理想と現実」のその後
Avatar for Ryoichi Saito saitoryc
0
740
ニーリーにおけるプロダクトエンジニア
Avatar for Nealle nealle
0
750
PostgreSQLのRow Level SecurityをPHPのORMで扱う Eloquent vs Doctrine #phpcon #track2
Avatar for Hiromi Hishida 77web
2
500
地方に住むエンジニアの残酷な現実とキャリア論
Avatar for nakamichi ichimichi
5
1.5k
第9回 情シス転職ミートアップ 株式会社IVRy（アイブリー）の紹介
Avatar for 株式会社IVRy（社員登壇資料） ivry_presentationmaterials
1
260
Railsアプリケーションと パフォーマンスチューニング ー 秒間5万リクエストの モバイルオーダーシステムを支える事例 ー Rubyセミナー 大阪
Avatar for Hayato OKUMOTO falcon8823
5
1.1k
5つのアンチパターンから学ぶLT設計
Avatar for Narihara narihara
1
150
Azure AI Foundryではじめてのマルチエージェントワークフロー
Avatar for 瀬尾佳隆 seosoft
0
150
データの民主化を支える、透明性のあるデータ利活用への挑戦 2025-06-25 Database Engineering Meetup#7
Avatar for Kentaro Yoshida y_ken
0
340
dbt民主化とLLMによる開発ブースト ~ AI Readyな分析サイクルを目指して ~
Avatar for yosh_yumyum yoshyum
3
590

Featured

See All Featured
The Power of CSS Pseudo Elements
Avatar for Geoffrey Crofte geoffreycrofte
77
5.8k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
Avatar for Tammy Everts tammyeverts
53
2.8k
Designing Experiences People Love
Avatar for Jonathan Moore moore
142
24k
Site-Speed That Sticks
Avatar for Harry Roberts csswizardry
10
680
Building a Modern Day 
E-commerce SEO Strategy
Avatar for Aleyda Solis aleyda
42
7.4k
Docker and Python
Avatar for Tania Allard trallard
44
3.5k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
17
950
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
1
400
The Art of Delivering Value - GDevCon NA Keynote
Avatar for David Neal reverentgeek
15
1.5k
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
28
3.9k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
PRO
181
53k
Why You Should Never Use an ORM
Avatar for John Nunemaker jnunemaker
PRO
58
9.4k

Transcript

  1. Samstag, 22. Dezember 12

  2. WhatsApp No presentation needed No security either Samstag, 22. Dezember

    12

  3. Known bugs/ features Changing status (not solved) Communication without encryption

    (solved) Storage encryption (not solved) Authentication (not solved) Samstag, 22. Dezember 12

  4. Changing status Status can be changed remotely Programmer published a

    Website. WhatsApp block the website Windows tool Samstag, 22. Dezember 12

  5. Communication without encryption Communication was sent in plain text Intercepting

    messages WhatsApp Sniffer for Android, Wireshark... Samstag, 22. Dezember 12

  6. Authentication Authentication against their server Usage of WhatsApp API WhatsApp

    sent „Cease and desist“ to WhatsApp API programmers Samstag, 22. Dezember 12

  7. Storage encryption All conversations stored in SD Card ... even

    if you remove them... ...even the GPS coordinates.... ...using the same key for encryption! Samstag, 22. Dezember 12

  8. WhatsApp Conversation stealer Uses two permissions Library integration Silently background

    service Only for scientific purposes :-) Samstag, 22. Dezember 12

  9. Danke! + http://goo.gl/t4AVh @eenriquelopez http://www.neo-tech.es Samstag, 22. Dezember 12