Stay Ahead of Cyber Threats – Daily Security Insights, Powered by AI
Published On : 2024-04-26
EXECUTIVE SUMMARY:At Cyfirma, we are dedicated to providing current insights into prevalent threats and strategies utilized by malicious entities, targeting both organizations and individuals. This in-depth examination focuses on the Fletchen stealer, an information stealing malware crafted with advanced functionalities and anti-analysis defense.…
Summary: This article discusses how researchers at the University of Illinois Urbana-Champaign found that an AI agent created with OpenAI’s GPT-4 can exploit unpatched vulnerabilities without precise technical information, highlighting the potential risks associated with artificial intelligence and machine learning in cybersecurity.
Threat Actor: GPT-4 AI agent | GPT-4 Victim: Various organizations with unpatched vulnerabilities
Key Point :
Researchers at the University of Illinois Urbana-Champaign fed descriptions of unpatched vulnerabilities to an AI agent created with OpenAI’s GPT-4, which successfully exploited 87% of the vulnerabilities.…AhnLab SEcurity intelligence Center (ASEC) recently discovered that the Metasploit Meterpreter backdoor has been installed via the Redis service. Redis is an abbreviation of Remote Dictionary Server, which is an open-source in-memory data structure storage that is also used as a database. It is presumed that the threat actors abused inappropriate settings or ran commands through vulnerability attacks.…
Identifier: TRR240401
On March 25, 2024, the U.S. Department of Justice (DoJ) released an indictment of seven hackers associated with APT31, a “hacking group in support of China’s Ministry of State Security” (MSS) which has been active for 14 years. On the same day, the Department of Treasury enacted sanctions on several entities listed in the document.…
Threat Actor: Credential Stuffing | Credential Stuffing Victim: Roku | Roku Price: N/A Exfiltrated Data Type: User account information
Additional Information :
Roku experienced a second data breach incident, affecting over 500,000 user accounts. The breach was attributed to credential stuffing, where stolen user credentials from other platforms were used to breach Roku accounts.…Summary: This article discusses the importance of exposure management in cybersecurity and how organizations can prioritize their security efforts to protect their most vulnerable areas.
Threat Actor: N/A
Victim: N/A
Key Points:
Organizations need to implement asset identification and understand their assets’ security posture to effectively protect against cyber threats.…Introduction
In the ongoing cat-and-mouse game between cyber attackers and defenders, the battleground has shifted from traditional malware tactics to more sophisticated methods of infiltration. One such technique gaining traction is SMB (Server Message Block) staging, a maneuver that allows attackers to bypass antivirus software and gain unauthorized access to systems.…
Published On : 2024-03-27
EXECUTIVE SUMMARYAt CYFIRMA, we are dedicated to providing current insights into prevalent threats and strategies utilized by malicious entities, targeting both organizations and individuals. This in-depth examination focuses on Sync-Scheduler stealer, a malware that specifically targets documents, and has been designed with anti-analysis capabilities.…
This blog post discusses the IDAT Loader malware and its unique method of retrieving data from PNG files. It also explores the attack chain observed in two separate incidents involving the IDAT Loader and the BruteRatel C4 framework. The post provides technical analysis of the malware’s behavior and highlights the techniques used by threat actors.…
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Armed forces use war-gaming exercises for training, and cybersecurity exercises are now being used to test and improve organizations’ ability to detect and respond to cyber threats.
Key Point : ⭐ Cybersecurity exercises help organizations proactively identify and address vulnerabilities. ⭐ Types of cybersecurity exercises include table-top simulations, digital simulations, red and blue teaming, penetration testing, and phishing exercises.…
Open-source software’s adaptive nature ensures its durability, relevance, and compatibility with new technologies.
When I started digging deeper into the open-source cybersecurity ecosystem, I discovered an engaged community of developers working to find practical solutions to many problems, one of them being saving time.
Here are 20 essential open-source cybersecurity tools that are freely available and waiting for you to include them in your arsenal.…
Cleartext credentials are commonly targeted in a penetration test and used to move laterally to other systems, obtain sensitive information, or even further elevate privileges. While this is a low effort finding to exploit, threat actors will utilize cleartext credentials to conduct attacks that could have a high impact for the target environment.…
Ransomware, a phenomenon now very well known, serves one ultimate and obvious purpose:
Monetary gain for the cybercriminal(s).However, multiple scenarios are, in fact, possible. Consider any and all of the following:
Closing thoughts
As we’ve seen, ransomware can serve a plethora of purposes; whether it is deployed by a nation-state actor, the more common cybercriminal, or your neighbor disgruntled at your tree hanging over their wall, one thing is for sure: you are, and have been compromised!…
In this blog, we present a proof of value study demonstrating the value of detecting attempted DNS exfiltration and Command and Control (C2) communications. Our focus is on two anonymized customers: a large e-commerce/retail company (Customer #1) and an educational institution (Customer #2).…
[Update] April 8, 2024: “From ALPHV to RansomHub: Change Healthcare”
A new threat actor has emerged in the ransomware landscape, distinguishing themselves by making claims and backing them up with data leaks. In February 2024, RansomHub posted its first victim, the Brazilian company YKP. Since then, they have made 17 additional claims, although their leak site currently lists only 14 victims.…
During the course of an intrusion investigation in late October 2023, Mandiant observed novel N-day exploitation of CVE-2023-46747 affecting F5 BIG-IP Traffic Management User Interface. Additionally, in February 2024, we observed exploitation of Connectwise ScreenConnect CVE-2024-1709 by the same actor. This mix of custom tooling and the SUPERSHELL framework leveraged in these incidents is assessed with moderate confidence to be unique to a People’s Republic of China (PRC) threat actor, UNC5174.…
Given a diverse customer base, Huntress sees a wide range of activity even when it comes to persistent threat actors. When such a threat actor makes attempts to compromise a customer with both managed EDR and managed anti-virus (MAV) services, it’s often very interesting to observe their playbook.…
Lynis is a comprehensive open-source security auditing tool for UNIX-based systems, including Linux, macOS, and BSD.
Hardening with LynisLynis conducts a thorough security examination of the system directly. Its main objective is to evaluate security measures and recommend enhancing system hardening. The tool also checks for general system details, identifies vulnerable software packages, and detects potential configuration problems.…
ASX-listed cloud and cyber security provider AUCloud has announced it has entered into binding agreements to acquire Australian IT firms PCG Cyber, Venn IT and Arado.
Founded in 2019, Canberra-based PCG Cyber is a security consultancy specialising in Australian government security advice and operations.
The firm offers services including penetration testing, security architecture, threat monitoring and management, as well as governance, risk and compliance.…
Summary: The interaction between web2 client-server architectures and web3 systems presents security challenges. Web3 systems often rely on classic centralized components, which can create unique attack surfaces. In this post, ongoing research on the use of web2 components in web3 systems is summarized, including vulnerabilities found in the Dappnode node management framework.…