Internal security recommendations survey

During the first wave of Covid and most people locked up at home, I wanted to engage with my colleagues in various departments here at SCRT by having them answer a simple survey. The survey related to what actions they would recommend and prioritize in order to secure the information system of a random company, which had just received notification that a cyberattack was imminent.

Continue reading Internal security recommendations survey

Splunk & advanced filtering with Event Masker

What is Splunk ?

Splunk is a Data-to-Everything Platform designed to ingest and analyze all kind of data. They can be visualized and correlated through Splunk searches, alerts, dashboards, and reports. Splunk is the #1 of 2020 Gartner Magic Quadrants in SIEMs for its performant analysis and visionary in Application Performance Management category.

Continue reading Splunk & advanced filtering with Event Masker

Bypassing LSA Protection in Userland

In 2018, James Forshaw published an article in which he briefly mentioned a trick that could be used to inject arbitrary code into a PPL as an administrator. However, I feel like this post did not get the attention it deserved as it literally described a potential Userland exploit for bypassing PPL (which includes LSA Protection).

Continue reading Bypassing LSA Protection in Userland

Stealing user passwords through a VPN’s SSO

Last year I got this idea that I should attempt to pay for my holidays to Japan by hunting for bounties in security appliances while in the plane. A full 10 hours of uninterrupted focus on one solution seemed like it should yield interesting results. So I started reverse engineering the Firewall of a relatively common brand which has a private bug bounty. Due to this reason, I won’t be giving out the full details of the issue I discovered, but I find the vulnerability to be quite interesting and worth discussing. So I attempt to do this here without breaching any disclosure terms…

Continue reading Stealing user passwords through a VPN’s SSO