DefendIO Android Crackmes – Jumbled

–[ Introduction ]

It has been some time since I’ve posted anything, so I thought I’d look at the Android crackmes posted by DefendIO (link)! The link to the crackmes has got a number of challenges, of different levels. There are a lot of starter challenges (level 1), a level 2 and a level 4 challenge!

This is the writeup of the level 2 challenge, called ‘jumbled cme’!

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DefendIO Android Crackmes – Jumbled

BSides London 2015 Challenge – Toxic PDF

Introduction

I attended BSides London and, after it was done and over, I found out they had challenges! So I found some time to play with one of them, toxic_pdf! It has been a while since my last PDF challenge, so let’s give this a go!

This challenge is also themed, but more on this in a bit!

Ghastly grim and ancient raven wandering from the nightly shore –
Tell me what thy lordly name is on the Night’s Plutonian shore!’
Quoth the raven, `Nevermore.’

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BSides London 2015 Challenge – Toxic PDF

PoliCTF 2015 – reversemeplz

Introduction

Hello all, it has been a while since I wrote anything so here’s a writeup from reversing challenge number two of the 2015 PoliCTF!

Although I didn’t manage to play all three days, the CTF felt like it was nicely done and organised. This challenge was worth 150 points, and it had some interesting twists in it!

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PoliCTF 2015 – reversemeplz

Hacky Easter 2015 – Clumsy Cloud

Introduction

Hello there again, welcome back! This another hard challenge from the Hacky Easter 2015 challenges, and it’s all in the cloud! It is an Android challenge, with your typical application-to-webservice set-up, where we use the app’s code to win!

Cjallenge 26 banner.
Challenge 26 banner.

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Hacky Easter 2015 – Clumsy Cloud

FLARE-ON Challenge – Part 2

Introduction

Welcome to Part 2 of the FLARE-ON challenge! As you’re back for more, you obviously enjoyed the first challenge and are ready for a new one, and this one is completely different than the first one! This challenge was, in my opinion, somewhat easier than the first one in that it allowed a less knowledgeable person to solve it, or so it seemed at the time I solved them.

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FLARE-ON Challenge – Part 2