dubell.io
/etc/motd
/var/www
/opt/advisories
/opt/code
/mnt
/usr
2025
Artifical Intelligence
• 6 min read
Stop using chat interfaces for your command line interfaces!
Artifical Intelligence
• 11 min read
Leveraging BM25 and Vector Search in a Local RAG Application
Steganography
• 3 min read
Unicode's Secret Compartment: The Variation Selector Trick
Artificial Intelligence
• 6 min read
So you want to run AI models locally?
2024
Advisories
• 1 min read
DLL Hijacking in MobilePASS version 8.4.4.99
Advisories
• 1 min read
Server-Side Request Forgery in HikCentral Professional <= V2.5.1
Programming
• 9 min read
Rusty Beginnings: Error Handling in Rust
2023
Career
• 9 min read
Hacking the Success Code: 6 Habits Every Penetration Tester Must Have
Development
• 2 min read
Supercharge Your Integration Tests with the Power of Docker
Career
• 3 min read
Learn AI or Get Left Behind
Development
• 4 min read
Deploying Django with Github Actions and Docker
2022
Penetration Testing
• 4 min read
Should you take a black box approach or a white box approach in penetration testing?
Appsec
• 7 min read
Measuring attack paths in web applications
Appsec
• 7 min read
My thoughts on Secure Code Review
Appsec
• 2 min read
Python gems to look out for
Advisories
• 2 min read
Unauthenticated LFI in Appwrite 0.5.0 <= 0.12.1
2021
AppSec
• 3 min read
Overwriting HttpOnly cookies with Javascript
2020
Malware-Analysis
• 11 min read
Technical Analysis Of The Necr0 Python Malware
Programming
• 4 min read
SLAE 7: Creating your own crypter using golang
Programming
• 8 min read
SLAE 6: Creating polymorphic shellcode
Programming
• 14 min read
SLAE 5: Analyzing shellcode generated by msfvenom
Programming
• 5 min read
SLAE 4: Custom encoder for bypassing signature based detection
Programming
• 10 min read
SLAE 3: Egg hunting in Linux x86 Assembly
Programming
• 7 min read
SLAE 2: Creating a reverse TCP shell in x86 Assembly
Programming
• 18 min read
SLAE 1: Creating a bind shell in x86 Assembly
2019
CTF
• 4 min read
Hack The Box - Olympus Writeup
Research
• 7 min read
Security Recommendations For Implementing BankID
Certification
• 7 min read
My OSCP Review
2017
CTF
• 3 min read
SEC-T CTF - G1bs0n Writeup
CTF
• 4 min read
UIUCTF - Are we out of the woods yet? Reversing 350p
CTF
• 2 min read
VolgaCTF - Share Point writeup
CTF
• 3 min read
VolgaCTF - Bloody Feedback writeup
CTF
• 0 min read
Chalmers CTF
2016
CTF
• 3 min read
SEC-T CTF - Confusion Writeup
Hacking
• 5 min read
Exploiting weak Content Security Policy (CSP) rules for fun and profit
Network Security
• 10 min read
Creating SYN flood attacks with Python
System Administration
• 2 min read
Monitoring your server with Monit
CTF
• 2 min read
Securityfest CTF - Defacer Challenge Writeup
CTF
• 12 min read
Securityfest CTF - Coresec challenge writeup
Hacking
• 2 min read
Using Amazon S3 for your static site? One thing to keep in mind
2015
Network Security
• 1 min read
Basics of netstat
CTF
• 2 min read
LogRhythm's Blackhat challenge - Write up
Gaming
• 1 min read
Alien: Isolation
Steganography
• 3 min read
Digital Steganography
System Administration
• 1 min read
Dashing Dashboard
Thoughts
• 5 min read
No Such Agency