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

Hacky Easter 2015 – Jad And Ida

Introduction

Hello all! Sorry I’ve been silent for some time, life was busy! I come back with fresh write-ups however, for some interesting challenges! Hacky Easter 2015 is what I have been busy with during the nights and evenings, and it’s a CTF where flags are QR codes!

This is the write-up for challenge Challenge 25, called Jad & Ida!

Challenge 25 banner.
Challenge 25 banner.

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Hacky Easter 2015 – Jad And Ida

FLARE-ON Challenge – Part 3

Introduction

Hello and welcome to Part 3 of the FLARE-ON challenges (here are parts 1 and 2 in case you need to catch up!) This challenge started with the following message:

Nice job, you’re really knocking these out! Here’s the next binary. The password to the zip archive is “malware” again.
Keep up the good work, and good luck!
-FLARE

By the way get used to this; the password will be ‘malware’ for the future zips. There’s nothing in this welcoming message that hints to what we should do for this level (like in the previous one for example), so off we go!

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FLARE-ON Challenge – Part 3