Cyber Security

Researchers have exposed a new targeted email campaign aimed at French entities in the construction, real estate, and government sectors that leverages the Chocolatey Windows package manager to deliver a backdoor called Serpent on compromised systems. Enterprise security firm Proofpoint attributed the attacks to a likely advanced threat actor based on the tactics and the
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A novel phishing technique called browser-in-the-browser (BitB) attack can be exploited to simulate a browser window within the browser in order to spoof a legitimate domain, thereby making it possible to stage convincing phishing attacks. According to penetration tester and security researcher, who goes by the handle mrd0x_, the method takes advantage of third-party single
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A newly disclosed security vulnerability in the Kubernetes container engine CRI-O called cr8escape could be exploited by an attacker to break out of containers and obtain root access to the host. “Invocation of CVE-2022-0811 can allow an attacker to perform a variety of actions on objectives, including execution of malware, exfiltration of data, and lateral
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The Security Service of Ukraine (SBU) said it has detained a “hacker” who offered technical assistance to the invading Russian troops by providing mobile communication services inside the Ukrainian territory. The anonymous suspect is said to have broadcasted text messages to Ukrainian officials, including security officers and civil servants, proposing that they surrender and take
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Microsoft on Wednesday detailed a previously undiscovered technique put to use by the TrickBot malware that involves using compromised Internet of Things (IoT) devices as a go-between for establishing communications with the command-and-control (C2) servers. “By using MikroTik routers as proxy servers for its C2 servers and redirecting the traffic through non-standard ports, TrickBot adds
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The malware known as DirtyMoe has gained new worm-like propagation capabilities that allow it to expand its reach without requiring any user interaction, the latest research has found. “The worming module targets older well-known vulnerabilities, e.g., EternalBlue and Hot Potato Windows privilege escalation,” Avast researcher Martin Chlumecký said in a report published Wednesday. “One worm
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A financially motivated threat actor has been observed deploying a previously unknown rootkit targeting Oracle Solaris systems with the goal of compromising Automatic Teller Machine (ATM) switching networks and carrying out unauthorized cash withdrawals at different banks using fraudulent cards. Threat intelligence and incident response firm Mandiant is tracking the cluster under the moniker UNC2891,
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An analysis of two ransomware attacks has identified overlaps in the tactics, techniques, and procedures (TTPs) between BlackCat and BlackMatter, indicating a strong connection between the two groups. While it’s typical of ransomware groups to rebrand their operations in response to increased visibility into their attacks, BlackCat (aka Alphv) marks a new frontier in that
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In what’s yet another act of sabotage, the developer behind the popular “node-ipc” NPM package shipped a new version to protest Russia’s invasion of Ukraine, raising concerns about security in the open-source and the software supply chain. Affecting versions 10.1.1 and 10.1.2 of the library, the changes introduced undesirable behavior by its maintainer RIAEvangelist, targeting
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As a CSIRT consultant, I cannot overemphasize the importance of effectively managing the first hour in a critical incident. Finding out what to do is often a daunting task in a critical incident. In addition, the feeling of uneasiness often prevents an incident response analyst from making effective decisions. However, keeping a cool head and
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Russian cybersecurity firm Kaspersky on Tuesday responded to an advisory released by Germany’s Federal Office of Information Security (BSI) against using the company’s security solutions in the country over “doubts about the reliability of the manufacturer.” Calling that the decision was made on “political grounds,” the company said it will “continue to assure our partners
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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) have released a joint advisory warning that Russia-backed threat actors hacked the network of an unnamed non-governmental entity by exploiting a combination of flaws. “As early as May 2021, Russian state-sponsored cyber actors took advantage of a misconfigured account set
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The maintainers of OpenSSL have shipped patches to resolve a high-severity security flaw in its software library that could lead to a denial-of-service (DoS) condition when parsing certificates. Tracked as CVE-2022-0778 (CVSS score: 7.5), the issue stems from parsing a malformed certificate with invalid explicit elliptic-curve parameters, resulting in what’s called an “infinite loop.” The
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Cybersecurity researchers have detailed a high severity flaw in KCodes NetUSB component that’s integrated into millions of end-user router devices from Netgear, TP-Link, Tenda, EDiMAX, D-Link, and Western Digital, among others. KCodes NetUSB is a Linux kernel module that enables devices on a local network to provide USB-based services over IP. Printers, external hard drives,
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Microsoft on Monday disclosed details of a recently patched security vulnerability in Apple’s macOS operating system that could be weaponized by a threat actor to expose users’ personal information. Tracked as CVE-2021-30970, the flaw concerns a logic issue in the Transparency, Consent and Control (TCC) security framework, which enables users to configure the privacy settings
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