On Tuesday, November 1 2022 between 1300-1700 UTC, the OpenSSL project announced the release of a new version of OpenSSL (version 3.0.7) that will patch a critical vulnerability in OpenSSL version 3.0 and above. Only OpenSSL versions between 3.0 and 3.0.6 are affected at the time of writing. At this…
Following the previous tutorial in which we looked at the log4j vulnerability in VMWare vSphere server, I got some questions about how to set up a malicious LDAP server on Linux. The attacker controlled LDAP server is required to provide the malicious java class (with a reverse shell for example)…
Log4Shell is a critical vulnerability with the highest possible CVSSv3 score of 10.0 that affects thousands of products running Apache Log4j and leaves millions of targets potentially vulnerable. CVE-2021-44228 affects log4j versions 2.0-beta9 to 2.14.1. Log4j is an incredibly popular logging library used in many different products and various Apache…
Recently a “design flaw” in the Microsoft Exchange’s Autodiscover protocol was discovered by researchers that allowed access to 372,072 Windows domain credentials and 96,671 unique sets of credentials from applications such as Microsoft Outlook and third-party email clients. According to Amit Serper , the person who discovered the flaw, the…
A week before the 2019 holidays Citrix announced that an authentication bypass vulnerability was discovered in multiple Citrix products. The affected products are the Citrix Application Delivery Controller (formerly known as NetScaler AD), Citrix Gateway NetScaler ADC (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP appliance. Exploiting the vulnerability…
During the last 3 months it was more quiet than usual on Hacking Tutorials. In this period less tutorials and articles were publish on Hacking Tutorials but there was a very good reason for that. For the last 3 months I have followed Offensive Security’s Penetration testing with Kali Linux (PWK) course and got certified as OSCP. In this article I will be reviewing the courseware, the labs and the brutal 24 hour exam. We will also look at which prior knowledge would be beneficial during the course and how to get this knowledge. We will conclude this article with some tips and hints that helped me passing the exam. OSCP courseware and videos The Penetration testing with Kali Linux courseware contains a PDF file and instruction videos on all subjects. The course covers many different subjects such as passive and active information gathering with many different tools but also writing simple buffer…
In this article on Hacking Tutorials we will be looking at a new penetration testing course priced at only $99,- offered by a newcomer on the block: The Virtual Hacking Labs. The Virtual Hacking Labs & Hacking Tutorials offer a full penetration testing course that includes access to an online penetration testing lab for practical training. The penetration testing lab contains 30 vulnerable machines that can be used to practice penetration testing techniques and tools in a safe way. All vulnerable machines and scenarios are based on real life scenarios as you would encounter on real company networks. After completing the courseware and the lab machines the student will have a good understanding of basic penetration testing techniques and practical experience applying these techniques. Penetration Testing Courseware The penetration testing course and the virtual labs are targeting both beginning and experienced penetration testers. The courseware covers subjects like enumeration, vulnerability assessments and exploitation from the ground up…
The other day, I stumbled across an interesting blog post with the subject Certified Ethical Hacker (CEH) vs. Offensive Security Certified Professional (OSCP) . . . and How to Start Your Ethical Hacker Career”. I did not only read this article but I devoured it and kept nodding my head, in agreement, as I read through it. I am at a stage of my ethical hacking career that I am seriously considering the notoriously difficult OSCP certification. Let me explain why I would introduce a blog post on Certified Ethical Hacker review by mentioning another post comparing CEH to OSCP. After reading the post, I immediately shared it with my colleagues. One of them will be undertaking the CEH course and exam shortly. He asked me to advise him on how to approach this undertaking. His request is in a way, what prompted me to write this post. Before I…