Telegram Spam?
We all heard the news that Facebook took over WhatsApp. Although I had never any problems using WhatsApp, I noticed in my environment that people were looking for a replacement. And it seems that the...
View ArticleSteal WhatsApp database (PoC)
“Is it possible to upload and read the WhatsApp chats from another Android application?” With this question my brother and I started an interesting conversation which ended in underneath proof of...
View ArticleSteal WhatsApp update
When I wrote Steal WhatsApp database (PoC) I never expected it to go viral. I only wrote the article for myself and the few readers of my weblog. My brother and I started the research out of curiosity...
View ArticleReuse string resource in strings.xml
Ok, bad title, cause that is not possible. But it was the goal I wanted to achieve and there are some solutions for it. In Android development the strings.xml file is used to store all Strings in, so...
View ArticleCybercrime Challenge 2014
Dit jaar heb ik meegedaan aan de Cybercrime Challenge: Operation High Impact van Team High Tech Crime van de Nationale Politie (ontwikkeld in samenwerking met Tweakers en QCSEC). Mijn dank voor de...
View ArticleLinux with RocketRAID 2320 – dataserver upgrade
A couple of months ago I decided to upgrade the OS of my dataserver. A server I created several years ago with 8 x 750GB hard disks serving a 4TB RAID-5 set. To handle the RAID-5 set I use a RocketRAID...
View ArticleResize Android Emulator Virtual Device
Lately I had to increase the size of an Android Emulator Virtual Device. I couldn’t simply recreate the device, cause I wanted to reserve all data and applications installed. Since it took me some...
View ArticleSolving the Cyberlympic Pwnable WGZLiveLabsTrivia
This year I competed for the first time in the Cyberlympics contest. This year it was created by warl0ckgam3z. Our 4-man team managed to get to the third round in Europe, but we wasted too much time on...
View ArticleSHA2017 CTF – web400 write-up
I created several challenges for SHA2017 CTF. One of them was the web400 ‘A View of Holland‘ challenge, a web challenge featuring an image gallery with some nice images from Holland. I always try to...
View ArticleSHA2017 CTF – web 300 write-up
Another challenge written by me was the Web 300 – Eindbazen Election challenge running on https://vote.stillhackinganyway.nl/. This page contains a ranking of all Eindbazen members, a link to the...
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