by Julien Ahrens | Thursday, April 28, 2016 | Certifications
Do you want to fool antivirus software? When you look through hacking forums for a solution to this, you will likely encounter the term “crypter”. You will also find this tool in the arsenal of every advanced penetration tester and it is the obvious...
by Julien Ahrens | Tuesday, April 12, 2016 | Certifications
Question: How can signature-based Intrusion Detection systems be defeated? Answer: Using polymorphic shellcodes! This might sound really crazy and cyber, but it has nothing to do with inventing fancy new hacking techniques, it’s rather about...
by Julien Ahrens | Tuesday, February 23, 2016 | Bug Bounty
Better late than never. This article will give you some insights about my discovered generic Cross-Site Request Forgery Protection Bypass in Ubiquiti’s UniFi v3.2.10 and below, as published some time earlier this year on HackerOne. This...
by Julien Ahrens | Tuesday, December 29, 2015 | Conferences
Hamburg – just about one year ago, the first BSides was organized by Arron and Caroline. Now, one year later on 28th December, just after a relaxed Christmas time, they invited again – for the next #BSidesHH. It was powered by the...
by Julien Ahrens | Wednesday, September 16, 2015 | Advisory, CVE
