CVE-2024-34362 Envoy affected by a crash (use-after-free) in EnvoyQuicServerStream

Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in HttpConnectionManager HCM with EnvoyQuicServerStream that can crash Envoy. An attacker can exploit this vulnerability by sending a request without FIN, then a RESETSTREAM frame, and then after receiving the...

TA577 Targeting Windows NTLM Hashes in Global Campaigns

Summary: TA577, a significant cyber threat group, has shifted tactics to steal NTLM authentication data, utilizing thread hijacking and customized HTML attachments. Organizations should block outbound SMB to thwart exploitation and remain vigilant against evolving attack methods. Threat Level - R...

Water Hydra Exploits CVE-2024-21412 to Target Financial Traders

Summary: Water Hydra exploited CVE-2024-21412 to bypass Microsoft Defender SmartScreen, targeting financial traders with DarkMe malware through sophisticated spearphishing tactics. This underscores the persistent threat of APT groups and highlights the challenge of defending against evolving atta...

CVE-2023-26555

praecisparse in ntpd/refclockpalisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver...

Malicious IIS extensions quietly open persistent backdoors into servers

Attackers are increasingly leveraging Internet Information Services IIS extensions as covert backdoors into servers, which hide deep in target environments and provide a durable persistence mechanism for attackers. While prior research has been published on specific incidents and variants, little...

Emotet Testing New Delivery Ideas After Microsoft Disables VBA Macros by Default

The threat actor behind the prolific Emotet botnet is testing new attack methods on a small scale before co-opting them into their larger volume malspam campaigns, potentially in response to Microsoft's move to disable Visual Basic for Applications VBA macros by default across its products. Calli...

With SLAs for DDoS Mitigation, the devil is in the details

When it comes to choosing the right DDoS protection there are many factors to consider including Network Capacity, Reliability, Service, Price and Time to Mitigation TTM. In a recent survey, we asked participants what factor they considered most critical when choosing a DDoS protection solution...

Russian-speaking cybercrime evolution: What changed from 2016 to 2021

Experts at Kaspersky have been investigating various computer incidents on a daily basis for over a decade. Having been in the field for so long, we have witnessed some major changes in the cybercrime worlds modus operandi. This report shares our insights into the Russian-speaking cybercrime worl...

How to Exploit SQL Server Using OLE Automation

As part of the Imperva Research Labs we have the opportunity to examine various security scenarios. In this post, we will consider database security on SQL Server. One standard method that security practitioners use to protect databases is deploying honeypots and waiting for hackers to take the...

hw: L1D Cache Eviction Sampling

A microarchitectural timing flaw was found on some Intel processors. A corner case exists where data in-flight during the eviction process can end up in the “fill buffers” and not properly cleared by the MDS mitigations. The fill buffer contents which were expected to be blank can be inferred usi...

The 4 most common bad bot attack methods targeting financial services

Organizations in the financial services sector are high-value targets for cybercriminals. In recent years, more sophisticated botnets and other bad bot attack methods have enabled malicious hackers to ratchet up the speed of attacks on this sector. The four most common ways hackers deploy botnets...

Monumental Supply-Chain Attack on Airlines Traced to State Actor

A monster cyberattack on SITA, a global IT provider for 90 percent of the world’s airline industry, is slowly unfurling to reveal the largest supply-chain attack on the airline industry in history. The enormous data breach, estimated to have already impacted 4.5 million passengers, has potentiall...

Weak password vulnerability in FB-Series

FLIR Systems, Inc. specializes in the design, development, production, marketing and promotion of specialized technologies for enhanced situational awareness. Through thermal imaging, visible light imaging, video analytics, measurement and diagnostics, and advanced threat detection systems, we...

Amazon Fixes Alexa Glitch That Could Have Divulged Personal Data

UPDATE Vulnerabilities in Amazon’s Alexa virtual assistant platform could allow attackers to access users’ personal information, like home addresses – simply by persuading them to click on a malicious link. Researchers with Check Point found several web application flaws on Amazon Alexa subdomain...

hw: L1D Cache Eviction Sampling

A microarchitectural timing flaw was found on some Intel processors. A corner case exists where data in-flight during the eviction process can end up in the “fill buffers” and not properly cleared by the MDS mitigations. The fill buffer contents which were expected to be blank can be inferred usi...

Lock and Code S1Ep8: Securely working from home (WFH) with John Donovan and Adam Kujawa

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to John Donovan, head of security at Malwarebytes, and Adam Kujawa, director of Malwarebtyes Labs, about securely working from home WFH. With shelter-in-pla...

Nsauditor 3.2.0.0 - (Name) Denial of Service Exploit

Exploit Title: Nsauditor 3.2.0.0 - 'Name' Denial of Service PoC Discovery by: 0xMoHassan Date: 2020-04-04 Vendor Homepage: http://www.nsauditor.com Software Link: http://www.nsauditor.com/downloads/nsauditorsetup.exe Tested Version: 3.2.0.0 Vulnerability Type: Denial of Service DoS Local Tested o...

What is the Best Defense Against Phishing Attacks?

Whether the subject line was “You’re account will be closed!” or the email address was [email protected], we have all received and rolled our eyes at a poorly disguised phishing attempt. While many view phishing as a small annoyance, this attack method has maintained longevity for a reason and...

Ransomware: 30 Years and Still Going Strong

In the tech world, systems – and methods to break said systems – seem to evolve by the minute. Technological advancement grows exponentially each year, and the realm of cybersecurity is no exception. However, some entities have survived and even thrived over the decades, rather than falling...

A Comprehensive Guide On How to Protect Your Websites From Hackers

Humankind had come a long way from the time when the Internet became mainstream. What started as a research project ARPANET Advanced Research Projects Agency Network funded by DARPA has grown exponentially and has single-handedly revolutionized human behavior. When WWW world wide web came into...