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Learn about critical threats that can impact your organization and the bad actors behind them from Cybersixgill's threat experts. Each story shines a light on underground activities, the threat actors involved, and why you should care, along with what you can do to mitigate risk.  In an increasingly interconnected world, supply chain attacks have emerged as a formidable threat, compromising not just individual organizations but the broader digital ecosystem. The web of interdependencies among businesses, especially for software and IT vendors, provides fertile ground for cybercriminals to exploit vulnerabilities. By targeting one weak link in the supply chain, threat actors can gain unauthorized access to sensitive information and can conduct malicious activities with severe consequences on multiple organizations, from data breaches and financial losses to widespread disruption and reputational damage. Understanding the nature, impact, and mitigation strategies of supply chain...

Introduction In many ways, the software supply chain is similar to that of manufactured goods, which we all know has been largely impacted by a global pandemic and shortages of raw materials.  However, in the IT world, it is not shortages or pandemics that have been the main obstacles to overcome in recent years, but rather attacks aimed at using them to harm hundreds or even thousands of victims simultaneously. If you've heard of a cyber attack between 2020 and today, it's likely that the software supply chain played a role.  When we talk about an attack on the software supply chain, we are actually referring to two successive attacks: one that targets a supplier, and one that targets one or more downstream users in the chain, using the first as a vehicle. In this article, we will dive into the mechanisms and risks of the software supply chain by looking at a typical vulnerability of the modern development cycle: the presence of personal identifying information, or "...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added three security flaws, each impacting AMI MegaRAC, D-Link DIR-859 router, and Fortinet FortiOS, to its Known Exploited Vulnerabilities ( KEV ) catalog, based on evidence of active exploitation. The list of vulnerabilities is as follows - CVE-2024-54085 (CVSS score: 10.0) - An authentication bypass by spoofing vulnerability in the Redfish Host Interface of AMI MegaRAC SPx that could allow a remote attacker to take control CVE-2024-0769 (CVSS score: 5.3) - A path traversal vulnerability in D-Link DIR-859 routers that allows for privilege escalation and unauthorized control (Unpatched) CVE-2019-6693 (CVSS score: 4.2) - A hard-coded cryptographic key vulnerability in FortiOS, FortiManager and FortiAnalyzer that's used to encrypt password data in CLI configuration, potentially allowing an attacker with access to the CLI configuration or the CLI backup file to decrypt the sensitive data Firmwar...

Multiple npm packages have been compromised as part of a software supply chain attack after a maintainer's account was compromised in a phishing attack. The attack targeted Josh Junon (aka Qix ), who received an email message that mimicked npm ("support@npmjs[.]help"), urging them to update their update their two-factor authentication (2FA) credentials before September 10, 2025, by clicking on embedded link. The phishing page is said to have prompted the co-maintainer to enter their username, password, and two-factor authentication (2FA) token, only for it to be stolen likely by means of an adversary-in-the-middle ( AitM ) attack and used to publish the rogue version to the npm registry. The following 20 packages, which collectively attract over 2 billion weekly downloads, have been confirmed as affected as part of the incident - ansi-regex@6.2.1 ansi-styles@6.2.2 backslash@0.2.1 chalk@5.6.1 chalk-template@1.1.1 color-convert@3.1.1 color-name@2.0.1...

Security researchers have been warning about a simple technique that cybercriminals and email scammers are already being using in the wild to bypass security features of Microsoft Office 365, including Safe Links, which are originally designed to protect users from malware and phishing attacks. Safe Links has been included by Microsoft in Office 365 as part of its ATP (Advanced Threat Protection) solution that works by replacing all URLs in an incoming email with Microsoft-owned secure URLs. Therefore, every time users click on a link provided in an email, Safe Links first sends them to a Microsoft owned domain, where it immediately checks the original link for anything suspicious. If Microsoft's security scanners detect any malicious element, it then warns the users about it, and if not, it redirects them to the original link. However, researchers at the cloud security company Avanan have revealed how attackers have been bypassing both Office 365's URL reputation check a...

Cybersecurity researchers are calling attention to an ongoing campaign that distributes fake cryptocurrency trading apps to deploy a compiled V8 JavaScript (JSC) malware called JSCEAL that can capture data such as credentials and wallets. The activity leverages thousands of malicious advertisements posted on Facebook in an attempt to redirect unsuspecting victims to counterfeit sites that instruct them to install the bogus apps, according to Check Point. These ads are shared either via stolen accounts or newly created ones. "The actors separate the installer's functionality into different components and most notably move some functionality to the JavaScript files inside the infected websites," the company said in an analysis. "A modular, multi-layered infection flow enables the attackers to adapt new tactics and payloads at every stage of the operation." It's worth noting that some aspects of the activity were previously documented by Microsoft in April 2...

The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including  IcedID ,  Bumblebee ,  TrueBot  (aka Silence), and  Clop ransomware . It is "part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread," the Microsoft Security Threat Intelligence Center (MSTIC)  said  in a detailed write-up. Raspberry Robin , also called QNAP Worm owing to the use of compromised QNAP storage servers for command-and-control, is the name given to a malware by cybersecurity company Red Canary that spreads to Windows systems through infected USB drives. MSTIC is keeping tabs on the activity group behind the USB-based Raspberry Robin infections as  DEV-0856 , adding it's aware of at least four confirmed entry points that all have the likely end goal of deploying ransomware. The tech giant's cybersecurity team said that...

Cybersecurity researchers have uncovered a fresh batch of malicious npm packages linked to the ongoing Contagious Interview operation originating from North Korea. According to Socket , the ongoing supply chain attack involves 35 malicious packages that were uploaded from 24 npm accounts. These packages have been collectively downloaded over 4,000 times. The complete list of the JavaScript libraries is below - react-plaid-sdk sumsub-node-websdk vite-plugin-next-refresh vite-plugin-purify nextjs-insight vite-plugin-svgn node-loggers react-logs reactbootstraps framer-motion-ext serverlog-dispatch mongo-errorlog next-log-patcher vite-plugin-tools pixel-percent test-topdev-logger-v1 test-topdev-logger-v3 server-log-engine logbin-nodejs vite-loader-svg struct-logger flexible-loggers beautiful-plugins chalk-config jsonpacks jsonspecific jsonsecs util-buffers blur-plugins proc-watch node-orm-mongoose prior-config use-videos lucide-node, and router-parse ...

Threat actors with ties to North Korea have been observed targeting Web3 and cryptocurrency-related businesses with malware written in the Nim programming language, underscoring a constant evolution of their tactics. "Unusually for macOS malware, the threat actors employ a process injection technique and remote communications via wss, the TLS-encrypted version of the WebSocket protocol," SentinelOne researchers Phil Stokes and Raffaele Sabato said in a report shared with The Hacker News. "A novel persistence mechanism takes advantage of SIGINT/SIGTERM signal handlers to install persistence when the malware is terminated or the system rebooted." The cybersecurity company is tracking the malware components collectively under the name NimDoor. It's worth noting that some aspects of the campaign were previously documented by Huntabil.IT and later by Huntress and Validin , but with differences in the payloads deployed. The attack chains involve social enginee...

The threat actor tracked as  TA866  has resurfaced after a nine-month hiatus with a new large-volume phishing campaign to deliver known malware families such as WasabiSeed and Screenshotter. The campaign, observed earlier this month and blocked by Proofpoint on January 11, 2024, involved sending thousands of invoice-themed emails targeting North America bearing decoy PDF files. "The PDFs contained OneDrive URLs that, if clicked, initiated a multi-step infection chain eventually leading to the malware payload, a variant of the WasabiSeed and Screenshotter custom toolset," the enterprise security firm  said . TA866 was  first documented  by the company in February 2023, attributing it to a campaign named Screentime that distributed WasabiSeed, a Visual Basic script dropper that's used to download Screenshotter, which is capable of taking screenshots of the victim's desktop at regular intervals of time and exfiltrating that data to an actor-controlled domain. ...

A recently disclosed critical flaw in Citrix NetScaler ADC and Gateway devices is being exploited by threat actors to conduct a credential harvesting campaign. IBM X-Force, which uncovered the activity last month,  said  adversaries exploited "CVE-2023-3519 to attack unpatched NetScaler Gateways to insert a malicious script into the HTML content of the authentication web page to capture user credentials." CVE-2023-3519  (CVSS score: 9.8), addressed by Citrix in July 2023, is a critical code injection vulnerability that could lead to unauthenticated remote code execution. Over the past few months, it has been  heavily   exploited  to  infiltrate vulnerable devices  and gain persistent access for follow-on attacks. In the latest attack chain discovered by IBM X-Force, the operators sent a specially crafted web request to trigger the exploitation of CVE-2023-3519 and deploy a PHP-based web shell. The access afforded by the web shell is subseque...

An unspecified government entity in Afghanistan was targeted by a previously undocumented web shell called  HrServ  in what's suspected to be an advanced persistent threat (APT) attack. The web shell, a dynamic-link library (DLL) named "hrserv.dll," exhibits "sophisticated features such as custom encoding methods for client communication and in-memory execution," Kaspersky security researcher Mert Degirmenci  said  in an analysis published this week. The Russian cybersecurity firm said it identified variants of the malware dating all the way back to early 2021 based on the compilation timestamps of these artifacts. Web shells are typically  malicious tools  that provide remote control over a compromised server. Once uploaded, it allows threat actors to carry out a range of post-exploitation activities, including data theft, server monitoring, and lateral advancement within the network. The attack chain involves the  PAExec  remote administra...