A new armsrace has begun and in many ways it seems like we have started something we cannot stop again – like Skynet, but real!
So I set out to explore this a bit and write about it.
2025
24
Sep
Malware with a Mind of Its Own – a case study in 4 acts
27
Feb
Random MAC address for anonymity
Ever feel like your phone is snitching on you? That’s because it probably is — at least, its MAC address is. In this deep-dive post, we explore how your devices quietly broadcast your identity through Wi-Fi and Bluetooth, and how you can fight back by randomizing your MAC address. From Linux laptops to iPhones and Androids, we break down how to go full digital chameleon, one spoofed packet at a time. Bonus points for keeping your sneakers-buying habits off the grid.
2024
09
Oct
How to crash macOS Sequoia in 10 lines of code
Apple always brag about the stability of their products, and this is a claim that their users tend to echo. Having had a debugger connected to macOS and IOS more than a few times, I know that it is more about hiding the crashes than actually preventing them (it is amazing how often the IOS […]
03
Sep
Chat in the Shadows: Dark IRC on Linux for Maximum Privacy
So, you’ve heard about the Telegram fiasco, right? The big guy in charge got thrown in the slammer in France, and everyone started panicking about who’s really in control of our messages. If that doesn’t scream, “Hey, maybe don’t trust centralized platforms,” then I don’t know what will. But don’t worry! This guide is here […]
01
Feb
Unveiling the Evolution: A Historical Journey through Computer Viruses
Exploring the evolution of computer viruses from the 1970s to present times, where I discuss the continuous battle between ever-evolving cyber threats and advancing cybersecurity. From pioneering malware like Creeper and Brain to the widespread destruction caused by I Love You and SQL Slammer, each era demonstrates escalating sophistication and societal impact, emphasizing the need for proactive security measures, education, and global collaboration to combat and adapt to these persistent cyber threats.
2023
23
May
Python virus for fun and profit
Can you write a self-replicating virus in python? I gave it a try.
2022
26
Jan
CVE-2021-4034 – my PoC for PwnKit
I made a Proof of Concept exploit (two actually) for the new Polkit CVE posted yesterday. Find a description and code here.
2021
01
Sep
Hacking for a job (or just for fun)
The cyber crime unit of the Danish police has put out a boot2root box to find relevant applicants for a job as web specialist.
I could not resit trying it out.
21
Jun
Free world-wide Wifi for all IPhones (or how to trash the IPhone wifi settings)
What happens if you put a funky format string as SSID for your wifi AP? For IPhones it can have an unexpected outcome.
04
Jun
Who shares private social security number online?!?!
Have you ever shared a picture of your Danish social security card (in Danish: sundhedskortet) online? Maybe with a finger across to cover the secret number?
Think you’re safe from identify theft? probably not!