$30 off During Our Annual Pro Sale. View Details »

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
Composifying Your Not-Compose Code
Avatar for Enrique López Mañas kikoso
0
15
Guardrails and Sanity Checks: Verifying LLM Input and Output for Developers
Avatar for Enrique López Mañas kikoso
0
57
KMP_for_Swift.pdf
Avatar for Enrique López Mañas kikoso
0
58
Android Benchmarking and other stories
Avatar for Enrique López Mañas kikoso
0
380
KMP for Mobile Developers
Avatar for Enrique López Mañas kikoso
0
73
Diving into Coroutines
Avatar for Enrique López Mañas kikoso
1
77
K/N for mobile developers (including libraries' snippets)
Avatar for Enrique López Mañas kikoso
0
100
Kotlin/Native for Multiplatform development
Avatar for Enrique López Mañas kikoso
0
74
TensorFlow for Mobile Developers
Avatar for Enrique López Mañas kikoso
0
21

Other Decks in Programming

See All in Programming
ZJIT: The Ruby 4 JIT Compiler / Ruby Release 30th Anniversary Party
Avatar for Takashi Kokubun k0kubun
1
280
TerraformとStrands AgentsでAmazon Bedrock AgentCoreのSSO認証付きエージェントを量産しよう！
Avatar for neruneruo neruneruo
4
1.8k
AI Agent Tool のためのバックエンドアーキテクチャを考える #encraft
Avatar for izumin5210 izumin5210
4
1.3k
AI前提で考えるiOSアプリのモダナイズ設計
Avatar for 野瀬田　裕樹 yuukiw00w
0
190
Combinatorial Interview Problems with Backtracking Solutions - From Imperative Procedural Programming to Declarative Functional Programming - Part 2
Avatar for Philip Schwarz philipschwarz
PRO
0
120
DevFest Android in Korea 2025 - 개발자 커뮤니티를 통해 얻는 가치
Avatar for Suhyeon Kim wisemuji
0
170
Navigation 3: 적응형 UI를 위한 앱 탐색
Avatar for Sungyong An fornewid
1
460
Go コードベースの構成と AI コンテキスト定義
Avatar for ANDPAD inc andpad
0
140
Canon EOS R50 V と R5 Mark II 購入でみえてきた最近のデジイチ VR180 事情、そして VR180 静止画に活路を見出すまで
Avatar for kazuhiro hara karad
0
140
Grafana：建立系統全知視角的捷徑
Avatar for Blueswen blueswen
0
220
AI Agent Dojo ＃4: watsonx Orchestrate ADK体験
Avatar for Akira Onishi (IBM) oniak3ibm
PRO
0
110
TestingOsaka6_Ozono
Avatar for O3(ozono) o3
0
180

Featured

See All Featured
世界の人気アプリ100個を分析して見えたペイウォール設計の心得
Avatar for Akihiro Kokubo akihiro_kokubo
PRO
65
35k
A Modern Web Designer's Workflow
Avatar for Chris Coyier chriscoyier
698
190k
Efficient Content Optimization with Google Search Console & Apps Script
Avatar for Katarina Dahlin katarinadahlin
PRO
0
250
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
12
980
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
Dominate Local Search Results - an insider guide to GBP, reviews, and Local SEO
Avatar for Greg Gifford greggifford
PRO
0
17
The Mindset for Success: Future Career Progression
Avatar for Greg Gifford greggifford
PRO
0
200
Practical Orchestrator
Avatar for Shlomi Noach shlominoach
190
11k
Why Our Code Smells
Avatar for Brandon Keepers bkeepers
PRO
340
57k
The World Runs on Bad Software
Avatar for Brandon Keepers bkeepers
PRO
72
12k
End of SEO as We Know It (SMX Advanced Version)
Avatar for Michael King ipullrank
2
3.8k
Designing Powerful Visuals for Engaging Learning
Avatar for Mike Taylor tmiket
0
190

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