Articles by

Ostorlab Team

We are pleased to announce a set of new improvements

Product

August 2017

We are pleased to announce a set of new improvements

Tue 01 August 2017

Product

July 2017

We are pleased to announce a set of new improvements

Sat 01 July 2017

Security

Finding security bugs in Android applications the hard way

Ostorlab is a community effort to build a mobile application vulnerability scanner to help developers build secure mobile applications. One of the new key components of the scanner detection capabilities is a new shiny static taint engine for Android Dalvik Bytecode that was heavily optimized for performance and low false positives.

Fri 16 June 2017

We are pleased to announce a set of new improvements

We have been for the last few months hard at work developing a new scan engine to identify new classes of vulnerabilities. The new scan engine is capable of identifying SQL injections, intent hijacking, insecure random seed, insecure cryptography etc.

Latest posts

Testing Cordova Applications

Hybrid frameworks like Cordova offers the advantage of building one app for multiple platform (support for Android, iOS, Windows Phone, FireOS, FirefoxOS ...) . The framework is easy and fast to develop with and offers generally a single API for all platforms.

Thu 24 November 2016

Android, SQL and ContentProviders or Why SQL injections aren't dead yet ?

Before we get into SQL injections and what might go wrong, we'll start by covering some technical information on Content Providers...

Thu 03 November 2016

Android external libs!

For an Android developer, it has become standard practice to use external libraries to easily extend the functionalities of the mobile application . Thanks to Gradle easy dependency integration, features like HTTP frameworks, database ORM, fancy scrolling, efficient image loading, caching, social network integration and many others can be added easily.

Tue 01 November 2016

Vulnerabilities tested by Google Play Store

Google will start identifying security weaknesses in Apps pushed to the Play Store...

Mon 05 September 2016

Python Concurrency and Parallelism: building a custom ProcessPoolExecutor

At Ostorlab we scan hundreds of Mobile Applications each day, each scan is very resource intensive but at the same time, since the beginning, we had to optimize the code for speed and maximize use of cloud resources.

Mon 18 July 2016

New in Android M and N: Runtime Permissions

In Android, the permission system was one of the major security concerns of the platform for many reasons...

Fri 27 May 2016

Android SSL certificate pinning to prevent Man-in-the-middle attack

Implementing SSL certificate pinning in mobile apps to secure the communication between the user's device and the backend

Wed 11 May 2016

Reversing JNI, or how Facebook is crashing their own application

Apparently Facebook is crashing their apps intentionally in order to test users reaction and evaluate their adherence to Facebook service. This post is however not about the user's behavioral analysis, but about the technical aspects of how it is done - or just an excuse to dive into JNI reversing.

Thu 07 January 2016