These days the landscape of cybercriminal activities seems to have as the only protagonists the Threat Actors who are carrying out an attack on publicly exposed VMware ESXi infrastructures. The French National Computer Emergency Response Team (CERT) published a security advisory on the ESXiArgs ransomware on February 3, 2023. Other important information regarding the attack was published…
Read MoreThe Initial Message The last few days have been quite hectic with regard to cyber security in the industrial systems sector. The frenzy of these days began on January 11 with this message that appeared on the Telegram channel (https://t.me/GhostSecc) of the GhostSec group: The message was accompanied by a couple of screenshots: So are…
Read MoreIt’s more and more common to receive emails asking for credentials. They usually say that there’s some kind of issue that can only be solved by accessing the involved service using the link inside the message text. In most cases these emails are malicious, intended to steal users’ or employees’ credentials and gain access to…
Read MoreOne of the most comprehensive services offered by Wuerth-Phoenix’s Cyber Security team is the Security Operation Center (SOC). An SOC is capable of monitoring an IT environment, scanning all messages sent within the internal network, and all operations performed on corporate devices. Through the use of detection rules, the SOC is able to identify anomalies…
Read MoreThere is no excerpt because this is a protected post.
Read MoreThe daily monitoring activities that we carry out within our Security Operation Center Attacker Centric have allowed us to identify the spread of a new infostealer type malware. Log (or information) stealer malware is a type of Trojan that gathers data in order to send it to the attacker. Typical targets are credentials saved in…
Read MoreEver heard of HackInBo? HackInBo is the main event in Italy for the cyber security community, bringing together (for almost 10 years now!) hundreds of passionate attendees for two days in Bologna…. We were there on May 27th and 28th… and it was an amazing experience! This year, and for the first time, the event…
Read MoreOn May 12th, the CSIRT (Computer Security Incident Response Team – Italia) published a list of the CVEs most exploited by threat actors. The list also contains an indication of the TTPs used by these attackers. The objective of this article is to make information available relating to detection rules that are already available within…
Read MoreStarting from a static analysis done by Cyble Research Lab (https://blog.cyble.com/2022/05/06/rebranded-babuk-ransomware-in-action-darkangels-ransomware-performs-targeted-attack/) of ransomware called Dark Angels, we gained evidence about the activities of the Dark Angels ransomware group. An OSINT analysis carried out by our Würth Phoenix team helped to reach the Ransom Operator blog and one of the victim pages. Based on the evidence…
Read MoreWe decided to carry out an evaluation of Elastic’s EDR using the APT Simulator (https://github.com/NextronSystems/APTSimulator) tool. This tool is widely used within the cyber security community and is highly reputed, 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…
Read MoreWithin 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…
Read MoreOne 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…
Read MoreIn 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…
Read MoreI’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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