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Flexense SyncBreeze Entreprise 10.3.14 Buffer Overflow (SEH-bypass)

Date Wed 31 January 2018 Category misc Tags Exploit

A buffer overflow i discovered while practicing for OSCE.

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Introduction to Dynamic instrumentation in Mobile Security

Date Fri 29 September 2017 Category misc Tags Android / iOS

his is a follow-up blog post after my Dynamic Instrumentation in Mobile Security presentation in Nanyang Technology University CSEC Offensive Cyber Security Club run by a group of highly motivated individual. Please check out their page to know when is the next security meet up.

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Cracking OWASP MSTG iOS Crackme - The Uncrackable

Date Sun 23 April 2017 Category misc Tags iOS

My Fellow colleague Bernhard developed two iOS Crackme and here is the writeup.

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Android Application/Package APK Structure Part 1

Date Sun 22 January 2017 Category misc Tags Android

What is the structure of APK and what's the fuzz of Meitu xiu xiu abuse of permission ?

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Boot Sequence in Android

Date Sat 14 January 2017 Category misc Tags Android

What is the boot sequence of Android and what are the different modes that it supports - download mode, recovery mode, twrp and more.

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The Mystical Android Sandbox and IPC (Inter-process communication)

Date Mon 09 January 2017 Category misc Tags Android

How does Android Sandbox work and how does android IPC work, I am answering two questions from what I have learnt from various sources.

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New Blog

Date Mon 02 January 2017 Category misc Tags misc

My new blog

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Recent Posts


  • Flexense SyncBreeze Entreprise 10.3.14 Buffer Overflow (SEH-bypass)
  • Introduction to Dynamic instrumentation in Mobile Security
  • Cracking OWASP MSTG iOS Crackme - The Uncrackable
  • Android Application/Package APK Structure Part 1
  • Boot Sequence in Android

About Ryantzj


About Ryantzj
Perceive that which cannot be seen with the eye. - Miyamato Musashi

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