Recently I got an opportunity to participate in a CTF (Capture-The-Flag) event which was organized by NET-SQUARE. They had their different set of challenges with respect to Mobile, Web, Network, Source Code, and Thick/Thin Client. So, there were few quite interesting mobile application challenges and here we will be discussing one of them.

Those who want to explore and want to try the challenges on their own before reading the walkthrough can access the applications from the GitHub repository. The application can be downloaded from here. Kindly share your experience with me in the comment box.

Challenge Description: The application…


Recently I got an opportunity to participate in a CTF (Capture-The-Flag) event which was organized by NET-SQUARE. They had their different set of challenges with respect to Mobile, Web, Network, Source Code, and Thick/Thin Client. So, there were few quite interesting mobile application challenges and here we will be discussing one of them.

Note: Those who want to explore and want to try the challenges on their own before reading the walkthrough can access the applications from the GitHub repository. The application can be downloaded from here. Kindly share your experience with me in the comment box.

Challenge Description: The…


Recently got an opportunity to participate in a CTF (Capture-The-Flag) event which was organized by NET-SQUARE. They had their different set of challenges with respect to Mobile, Web, Network, Source Code, and Thick/Thin Client. So, there were few quite interesting mobile application challenges and here we will be discussing one of them.

Note: Those who want to explore and want to try the challenges on their own before reading the walkthrough can access the applications from the GitHub repository. The application can be downloaded from here. Kindly share your experience with me in the comment box.

Challenge Description: The application…


Universe Weird C132 is a beginner level Android application CTF challenge. It makes you realise that every application is a treasure hunt, more of a treasure and less of a hunt.

The aim of this CTF challenge is to concentrate on the basic flaws which are found while performing security assessment of a mobile application. We will be observing the basic mis-configurations which can lead to huge data loss.

Let’s take a minute to thank Moksh for creating this challenge. …


Morty’s new tool is an intermediate level Android application CTF challenge. The basic aim of this CTF challenge is to learn the dynamic transformation in the code at run time, reverse engineering of native libraries and much more.

It will give an atmosphere of real time scenarios which will teach us the working of an application, its process and data flow.

Let’s take a minute to thank Moksh for creating this challenge. …


Morty Sherlocked is a beginner level Android application CTF challenge. It walks us through the basic concepts of Android application security, giving us an amazing experience of analyzing an APK.

The aim of this CTF challenge is to concentrate on the basic flaws which are being founded while performing a security assessment of a mobile application.

Let’s take a minute to thank Moksh for creating this challenge. If someone wants to try and solve the challenge, the link for the CTF can be found [here] and the application can be downloaded from [here].

Tools Used :

adb : command line…


Planet-X is an intermediate level Android application CTF challenge. The aim of this CTF challenge is to learn and concentrate on the basic flaws which are found while performing security assessment of a mobile application.

We will be observing the basic misconfigurations which will lead our path and help us to find the flag.

Let’s take a minute to thank Moksh for creating this challenge. If someone wants to try and solve the challenge before going through the walkthrough, the link for the CTF can be found [here] and the application can be downloaded from [here].

So, before beginning the…

Saurabh Jain

a technofreak who loves poetry

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