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Encryption

Critical Atlassian Flaw Exploited to Deploy Linux Variant of Cerber Ransomware

Threat actors are exploiting unpatched Atlassian servers to deploy a Linux variant of Cerber (aka C3RB3R) ransomware. The attacks leverage CVE-2023-22518 (CVSS score: 9.1), a critical security vulnerability impacting the Atlassian Confluence Data Center and Server that allows an unauthenticated attacker to reset Confluence and create an administrator account. Armed with this access, a threat […]

Widely-Used PuTTY SSH Client Found Vulnerable to Key Recovery Attack

The maintainers of the PuTTY Secure Shell (SSH) and Telnet client are alerting users of a critical vulnerability impacting versions from 0.68 through 0.80 that could be exploited to achieve full recovery of NIST P-521 (ecdsa-sha2-nistp521) private keys. The flaw has been assigned the CVE identifier CVE-2024-31497, with the discovery credited to researchers Fabian Bäumer […]

Considerations for Operational Technology Cybersecurity

Operational Technology (OT) refers to the hardware and software used to change, monitor, or control the enterprise’s physical devices, processes, and events. Unlike traditional Information Technology (IT) systems, OT systems directly impact the physical world. This unique characteristic of OT brings additional cybersecurity considerations not typically present in conventional IT security architectures. The convergence of […]

Linux Version of DinodasRAT Spotted in Cyber Attacks Across Several Countries

A Linux version of a multi-platform backdoor called DinodasRAT has been detected in the wild targeting China, Taiwan, Turkey, and Uzbekistan, new findings from Kaspersky reveal. DinodasRAT, also known as XDealer, is a C++-based malware that offers the ability to harvest a wide range of sensitive data from compromised hosts. In October 2023, Slovak cybersecurity […]

Behind the Scenes: The Art of Safeguarding Non-Human Identities

In the whirlwind of modern software development, teams race against time, constantly pushing the boundaries of innovation and efficiency. This relentless pace is fueled by an evolving tech landscape, where SaaS domination, the proliferation of microservices, and the ubiquity of CI/CD pipelines are not just trends but the new norm. Amidst this backdrop, a critical […]

SASE Solutions Fall Short Without Enterprise Browser Extensions, New Report Reveals

As SaaS applications dominate the business landscape, organizations need optimized network speed and robust security measures. Many of them have been turning to SASE, a product category that offers cloud-based network protection while enhancing network infrastructure performance. However, a new report: “Better Together: SASE and Enterprise Browser Extension for the SaaS-First Enterprise” (Download here), challenges […]

China-Linked Group Breaches Networks via Connectwise, F5 Software Flaws

A China-linked threat cluster leveraged security flaws in Connectwise ScreenConnect and F5 BIG-IP software to deliver custom malware capable of delivering additional backdoors on compromised Linux hosts as part of an “aggressive” campaign. Google-owned Mandiant is tracking the activity under its uncategorized moniker UNC5174 (aka Uteus or Uetus), describing it as a “former member of […]

TeamCity Flaw Leads to Surge in Ransomware, Cryptomining, and RAT Attacks

Multiple threat actors are exploiting the recently disclosed security flaws in JetBrains TeamCity software to deploy ransomware, cryptocurrency miners, Cobalt Strike beacons, and a Golang-based remote access trojan called Spark RAT. The attacks entail the exploitation of CVE-2024-27198 (CVSS score: 9.8) that enables an adversary to bypass authentication measures and gain administrative control over affected […]

New Phishing Attack Uses Clever Microsoft Office Trick to Deploy NetSupport RAT

A new phishing campaign is targeting U.S. organizations with the intent to deploy a remote access trojan called NetSupport RAT. Israeli cybersecurity company Perception Point is tracking the activity under the moniker Operation PhantomBlu. “The PhantomBlu operation introduces a nuanced exploitation method, diverging from NetSupport RAT’s typical delivery mechanism by leveraging OLE (Object Linking and […]

New DEEP#GOSU Malware Campaign Targets Windows Users with Advanced Tactics

A new elaborate attack campaign has been observed employing PowerShell and VBScript malware to infect Windows systems and harvest sensitive information. Cybersecurity company Securonix, which dubbed the campaign DEEP#GOSU, said it’s likely associated with the North Korean state-sponsored group tracked as Kimsuky (aka Emerald Sleet, Springtail, or Velvet Chollima). “The malware payloads used in the […]

Google Introduces Enhanced Real-Time URL Protection for Chrome Users

Google on Thursday announced an enhanced version of Safe Browsing to provide real-time, privacy-preserving URL protection and safeguard users from visiting potentially malicious sites. “The Standard protection mode for Chrome on desktop and iOS will check sites against Google’s server-side list of known bad sites in real-time,” Google’s Jonathan Li and Jasika Bawa said. “If […]

Malicious Ads Targeting Chinese Users with Fake Notepad++ and VNote Installers

Chinese users looking for legitimate software such as Notepad++ and VNote on search engines like Baidu are being targeted with malicious ads and bogus links to distribute trojanized versions of the software and ultimately deploy Geacon, a Golang-based implementation of Cobalt Strike. “The malicious site found in the notepad++ search is distributed through an advertisement […]

DarkGate Malware Exploited Recently Patched Microsoft Flaw in Zero-Day Attack

A DarkGate malware campaign observed in mid-January 2024 leveraged a recently patched security flaw in Microsoft Windows as a zero-day using bogus software installers. “During this campaign, users were lured using PDFs that contained Google DoubleClick Digital Marketing (DDM) open redirects that led unsuspecting victims to compromised sites hosting the Microsoft Windows SmartScreen bypass CVE-2024-21412 […]

Lazarus Exploits Typos to Sneak PyPI Malware into Dev Systems

The notorious North Korean state-backed hacking group Lazarus uploaded four packages to the Python Package Index (PyPI) repository with the goal of infecting developer systems with malware. The packages, now taken down, are pycryptoenv, pycryptoconf, quasarlib, and swapmempool. They have been collectively downloaded 3,269 times, with pycryptoconf accounting for the most downloads at 1,351. “The […]

Open-Source Xeno RAT Trojan Emerges as a Potent Threat on GitHub

An “intricately designed” remote access trojan (RAT) called Xeno RAT has been made available on GitHub, making it easily accessible to other actors at no extra cost. Written in C# and compatible with Windows 10 and Windows 11 operating systems, the open-source RAT comes with a “comprehensive set of features for remote system management,” according […]

LockBit Ransomware Group Resurfaces After Law Enforcement Takedown

The threat actors behind the LockBit ransomware operation have resurfaced on the dark web using new infrastructure, days after an international law enforcement exercise seized control of its servers. To that end, the notorious group has moved its data leak portal to a new .onion address on the TOR network, listing 12 new victims as […]

Authorities Claim LockBit Admin “LockBitSupp” Has Engaged with Law Enforcement

LockBitSupp, the individual(s) behind the persona representing the LockBit ransomware service on cybercrime forums such as Exploit and XSS, “has engaged with law enforcement,” authorities said. The development comes following the takedown of the prolific ransomware-as-a-service (RaaS) operation as part of a coordinated international operation codenamed Cronos. Over 14,000 rogue accounts on third-party services like […]

U.S. Offers $15 Million Bounty to Hunt Down LockBit Ransomware Leaders

The U.S. State Department has announced monetary rewards of up to $15 million for information that could lead to the identification of key leaders within the LockBit ransomware group and the arrest of any individual participating in the operation. “Since January 2020, LockBit actors have executed over 2,000 attacks against victims in the United States, […]

Bumblebee Malware Returns with New Tricks, Targeting U.S. Businesses

The infamous malware loader and initial access broker known as Bumblebee has resurfaced after a four-month absence as part of a new phishing campaign observed in February 2024. Enterprise security firm Proofpoint said the activity targets organizations in the U.S. with voicemail-themed lures containing links to OneDrive URLs. “The URLs led to a Word file […]