Blog Entries

17. 01. 2022 Massimo Giaimo Blue Team, SEC4U

An Evaluation of Elastic EDR with APT Simulator

We decided to carry out an evaluation of Elastic’s EDR using the APT Simulator (https://github.com/NextronSystems/APTSimulator) tool. This tool within the cyber security community is widely used and is highly reputated, as it was developed by Florian Roth, who also created the Sigma Rule project. APT Simulator is a Windows Batch script that uses a set…

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13. 01. 2022 Simone Cagol Blue Team

Sigma Rule Crawler Project

Within our Attacker Centric Security Operation Center, we look for the best detection rules every day to help you detect attack scenarios. One of the most important projects that we use as a source in this area is without doubt that of Sigma Rule (https://github.com/SigmaHQ/sigma). The project, founded by Florian Roth (https://www.linkedin.com/in/floroth/), has almost 300…

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28. 10. 2021 Simone Cagol Blue Team, Exposure Assessment, SEC4U

Cyber Threat Intelligence: Enrichment with SATAYO IoC

One of the important elements of Cyber Threat Intelligence activity is the verification of IoCs (Indicators of Compromise) that can identify threats that can create an impact on your organization. In parallel to our OSINT and Cyber Threat Intelligence SATAYO platform we have implemented the SATAYO IoC database which currently has about 900,000 elements. Among…

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09. 07. 2021 Massimo Giaimo Blue Team, SEC4U

Analysis of a Dark Web site

In this article we will see together how to perform an analysis of a site present on the Dark Web and more precisely of a site present within the Tor network. Our point of reference will be the site of the Avos ransomware gang, which has just started its cyber criminal activity a few weeks…

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12. 03. 2021 Massimo Giaimo Blue Team, Log-SIEM, SEC4U

Microsoft Exchange 0-Day: Let’s Look at the Facts!

I’m writing this article with the goal of summarizing the events of recent days concerning the zero-day vulnerability that has struck Microsoft Exchange installations, and to provide some useful information to help you understand how the attack began, how it developed, and what we should expect in the immediate future. First of all, a quick…

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