Deadglyph: New Advanced Backdoor with Distinctive Malware Tactics

Cybersecurity researchers have discovered a previously undocumented advanced backdoor dubbed Deadglyph employed by a threat actor known as Stealth Falcon as part of a cyber espionage campaign. "Deadglyph's architecture is unusual as it consists of cooperating components – one a native x64 binary,...

Cybercriminals Hold $115,000-Prize Contest to Find New Cryptocurrency Hacks

A top Russian-language underground forum has been running a "contest" for the past month, calling on its community to submit "unorthodox" ways to conduct cryptocurrency attacks. The forum's administrator, in an announcement made on April 20, 2021, invited members to submit papers that assess the...

Researchers Uncover New Exploit for PaperCut Vulnerability That Can Bypass Detection

Cybersecurity researchers have found a way to exploit a recently disclosed critical flaw in PaperCut servers in a manner that bypasses all current detections. Tracked as CVE-2023-27350 CVSS score: 9.8, the issue affects PaperCut MF and NG installations that could be exploited by an unauthenticate...

F5 Warns of a New Critical BIG-IP Remote Code Execution Vulnerability

Cloud security and application delivery network ADN provider F5 on Wednesday released patches to contain 43 bugs spanning its products. Of the 43 issues addressed, one is rated Critical, 17 are rated High, 24 are rated Medium, and one is rated low in severity. Chief among the flaws is...

Israeli Firm Helped Governments Target Journalists, Activists with 0-Days and Spyware

Two of the zero-day Windows flaws rectified by Microsoft as part of its Patch Tuesday update earlier this week were weaponized by an Israel-based company called Candiru in a series of "precision attacks" to hack more than 100 journalists, academics, activists, and political dissidents globally. T...

Update: Hacker Disclosed 4 New Microsoft Zero-Day Exploits in Last 24 Hours

Less than 24 hours after publicly disclosing an unpatched zero-day vulnerability in Windows 10, the anonymous hacker going by online alias "SandboxEscaper" has now dropped new exploits for two more unpatched Microsoft zero-day vulnerabilities. The two new zero-day vulnerabilities affect Microsoft...

Microsoft Issues Patch for Windows Zero-Day Flaw Under Active Attack

Microsoft today, on its year-end December Patch Tuesday, released security updates to patch a total 39 vulnerabilities its Windows operating systems and applications—10 of which are rated as critical and other important in severity. One of the security vulnerabilities patched by the tech giant th...

Microsoft Releases Patch for Actively Exploited Windows Zero-Day Vulnerability

A day after Apple and Google rolled out urgent security updates, Microsoft has pushed software fixes as part of its monthly Patch Tuesday release cycle to plug 66 security holes affecting Windows and other components such as Azure, Office, BitLocker, and Visual Studio, including an actively...

Google Speech-to-Text API Can Help Attackers Easily Bypass Google reCAPTCHA

A three-year-old attack technique to bypass Google's audio reCAPTCHA by using its own Speech-to-Text API has been found to still work with 97% accuracy. Researcher Nikolai Tschacher disclosed his findings in a proof-of-concept PoC of the attack on January 2. "The idea of the attack is very simple...

Microsoft Releases Patches For Critical Windows TCP/IP and Other Bugs

Microsoft on Tuesday issued fixes for 87 newly discovered security vulnerabilities as part of its October 2020 Patch Tuesday, including two critical remote code execution RCE flaws in Windows TCP/IP stack and Microsoft Outlook. The flaws, 11 of which are categorized as Critical, 75 are ranked...

Sudo Flaw Lets Linux Users Run Commands As Root Even When They're Restricted

Attention Linux Users! A new vulnerability has been discovered in Sudo—one of the most important, powerful, and commonly used utilities that comes as a core command installed on almost every UNIX and Linux-based operating system. The vulnerability in question is a sudo security policy bypass issu...

Turns Out Kaspersky Labs Helped FBI Catch Alleged NSA Leaker

Remember "The Shadow Brokers" and the arrest of a former NSA contractor accused of stealing 50 Terabytes of top secret documents from the intelligence agency? It turns out that, Kaspersky Lab, which has been banned in US government computers over spying fears, was the one who tipped off the U.S...

Andoryu Botnet Exploits Critical Ruckus Wireless Flaw for Widespread Attack

A nascent botnet called Andoryu has been found to exploit a now-patched critical security flaw in the Ruckus Wireless Admin panel to break into vulnerable devices. The flaw, tracked as CVE-2023-25717 CVSS score: 9.8, stems from improper handling of HTTP requests, leading to unauthenticated remote...

CISA Adds 10 New Known Actively Exploited Vulnerabilities to its Catalog

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday added 10 new actively exploited vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, including a high-severity security flaw affecting industrial automation software from Delta Electronics. The issue, tracked ...

Microsoft and Other Major Software Firms Release February 2022 Patch Updates

Microsoft on Tuesday rolled out its monthly security updates with fixes for 51 vulnerabilities across its software line-up consisting of Windows, Office, Teams, Azure Data Explorer, Visual Studio Code, and other components such as Kernel and Win32k. Among the 51 defects closed, 50 are rated...

Watch Out! This New Web Exploit Can Crash and Restart Your iPhone

It's 2018, and just a few lines of code can crash and restart any iPhone or iPad and can cause a Mac computer to freeze. Sabri Haddouche, a security researcher at encrypted instant messaging app Wire, revealed a proof-of-concept PoC web page containing an exploit that uses only a few lines of...

Hackers Exploit SonicWall Zero-Day Bug in FiveHands Ransomware Attacks

An "aggressive" financially motivated threat group tapped into a zero-day flaw in SonicWall VPN appliances prior to it being patched by the company to deploy a new strain of ransomware called FIVEHANDS. The group, tracked by cybersecurity firm Mandiant as UNC2447, took advantage of an "improper S...

F5 BIG-IP Found Vulnerable to Kerberos KDC Spoofing Vulnerability

Cybersecurity researchers on Wednesday disclosed a new bypass vulnerability CVE-2021-23008 in the Kerberos Key Distribution Center KDC security feature impacting F5 Big-IP application delivery services. "The KDC Spoofing vulnerability allows an attacker to bypass the Kerberos authentication to...

Industrial VPN Flaws Could Let Attackers Target Critical Infrastructures

Cybersecurity researchers have discovered critical vulnerabilities in industrial VPN implementations primarily used to provide remote access to operational technology OT networks that could allow hackers to overwrite data, execute malicious code, and compromise industrial control systems ICS. A n...

Hacker Discloses Second Zero-Day to Bypass Patch for Windows EoP Flaw

An anonymous security researcher going by the name of SandboxEscaper today publicly shared a second zero-day exploit that can be used to bypass a recently patched elevation of privilege vulnerability in the Microsoft Windows operating system. SandboxEscaper is known for publicly dropping zero-day...

Adobe Issues Emergency Patches for Two Critical Flaws in Acrobat and Reader

I hope you had biggest, happiest and craziest New Year celebration, but now it's time to come back at work and immediately update your systems to patch new security flaws that could exploit your computer just by opening a PDF file. Adobe has issued an out-of-band security update to patch two...

ex-NSA Hacker Discloses macOS Mojave 10.14 Zero-Day Vulnerability

The same day Apple released its latest macOS Mojave operating system, a security researcher demonstrated a potential way to bypass new privacy implementations in macOS using just a few lines of code and access sensitive user data. On Monday, Apple started rolling out its new macOS Mojave 10.14...

Google Issues Urgent Chrome Update to Patch Actively Exploited Zero-Day Vulnerability

Google on Thursday rolled out emergency fixes to contain an actively exploited zero-day flaw in its Chrome web browser. The vulnerability, tracked as CVE-2022-3723, has been described as a type confusion flaw in the V8 JavaScript engine. Security researchers Jan Vojtěšek, Milánek, and Przemek...

'Lone Wolf' Hacker Group Targeting Afghanistan and India with Commodity RATs

A new malware campaign targeting Afghanistan and India is exploiting a now-patched, 20-year-old flaw affecting Microsoft Office to deploy an array of commodity remote access trojans RATs that allow the adversary to gain complete control over the compromised endpoints. Cisco Talos attributed the...

Hackers Spread BIOPASS Malware via Chinese Online Gambling Sites

Cybersecurity researchers are warning about a new malware that's striking online gambling companies in China via a watering hole attack to deploy either Cobalt Strike beacons or a previously undocumented Python-based backdoor called BIOPASS RAT that takes advantage of Open Broadcaster Software OB...

Dozens of Vulnerable NuGet Packages Allow Attackers to Target .NET Platform

An analysis of off-the-shelf packages hosted on the NuGet repository has revealed 51 unique software components to be vulnerable to actively exploited, high-severity vulnerabilities, once again underscoring the threat posed by third-party dependencies to the software development process. In light...

Critical SaltStack RCE Bug (CVSS Score 10) Affects Thousands of Data Centers

Two severe security flaws have been discovered in the open-source SaltStack Salt configuration framework that could allow an adversary to execute arbitrary code on remote servers deployed in data centers and cloud environments. The vulnerabilities were identified by F-Secure researchers earlier...

Enhancing TLS Security: Google Adds Quantum-Resistant Encryption in Chrome 116

Google has announced plans to add support for quantum-resistant encryption algorithms in its Chrome browser, starting with version 116. "Chrome will begin supporting X25519Kyber768 for establishing symmetric secrets in TLS, starting in Chrome 116, and available behind a flag in Chrome 115," Devon...

Critical Security Flaws Identified in CODESYS ICS Automation Software

CODESYS has released patches to address as many as 11 security flaws that, if successfully exploited, could result in information disclosure and a denial-of-service DoS condition, among others. "These vulnerabilities are simple to exploit, and they can be successfully exploited to cause...

New Apache Log4j Update Released to Patch Newly Discovered Vulnerability

The Apache Software Foundation ASF on Tuesday rolled out fresh patches to contain an arbitrary code execution flaw in Log4j that could be abused by threat actors to run malicious code on affected systems, making it the fifth security shortcoming to be discovered in the tool in the span of a month...

Immediately Patch Windows 0-Day Flaw That's Being Used to Spread Spyware

Get ready to install a fairly large batch of security patches onto your Windows computers. As part of its September Patch Tuesday, Microsoft has released a large batch of security updates to patch a total of 81 CVE-listed vulnerabilities, on all supported versions of Windows and other MS products...

TETRA:BURST — 5 New Vulnerabilities Exposed in Widely Used Radio Communication System

A set of five security vulnerabilities have been disclosed in the Terrestrial Trunked Radio TETRA standard for radio communication used widely by government entities and critical infrastructure sectors, including what's believed to be an intentional backdoor that could have potentially exposed...

Multiple Campaigns Exploit VMware Vulnerability to Deploy Crypto Miners and Ransomware

A now-patched vulnerability in VMware Workspace ONE Access has been observed being exploited to deliver both cryptocurrency miners and ransomware on affected machines. "The attacker intends to utilize a victim's resources as much as possible, not only to install RAR1Ransom for extortion, but also...

Hackers Can Exploit Samsung Pre-Installed Apps to Spy On Users

Multiple critical security flaws have been disclosed in Samsung's pre-installed Android apps, which, if successfully exploited, could have allowed adversaries access to personal data without users' consent and take control of the devices. "The impact of these bugs could have allowed an attacker t...

New 'MosaicRegressor' UEFI Bootkit Malware Found Active in the Wild

Cybersecurity researchers have spotted a rare kind of potentially dangerous malware that targets a machine's booting process to drop persistent malware. The campaign involved the use of a compromised UEFI or Unified Extensible Firmware Interface containing a malicious implant, making it the secon...

Zero-Day Warning: It's Possible to Hack iPhones Just by Sending Emails

Watch out Apple users! The default mailing app pre-installed on millions of iPhones and iPads has been found vulnerable to two critical flaws that attackers are exploiting in the wild, at least, from the last two years to spy on high-profile victims. The flaws could eventually let remote hackers...

This Flaw Could Have Allowed Hackers to Hack Any Instagram Account Within 10 Minutes

Watch out! Facebook-owned photo-sharing service has recently patched a critical vulnerability that could have allowed hackers to compromise any Instagram account without requiring any interaction from the targeted users. Instagram is growing quickly—and with the most popular social media network ...

DDoS Attacker Who Ruined Gamers' Christmas Gets 27 Months in Prison

A 23-year-old hacker from Utah who launched a series of DDoS attacks against multiple online services, websites, and online gaming companies between December 2013 and January 2014 has been sentenced to 27 months in prison. Austin Thompson, a.k.a. "DerpTroll," pledged guilty back in November 2018...

Microsoft Issues Patches for Another Four Zero-Day Vulnerabilities

As part of this month's Patch Tuesday, Microsoft has released security patches for a total of 55 vulnerabilities across its products, including fixes for four zero-day vulnerabilities being exploited in the wild. Just yesterday, Microsoft released an emergency out-of-band update separately to pat...

Google Releases Urgent Chrome Update to Fix Actively Exploited Zero-Day Vulnerability

Google on Friday released out-of-band updates to resolve an actively exploited zero-day flaw in its Chrome web browser, making it the first such bug to be addressed since the start of the year. Tracked as CVE-2023-2033, the high-severity vulnerability has been described as a type confusion issue ...

Russian Sandworm Hackers Impersonate Ukrainian Telecoms to Distribute Malware

A threat cluster linked to the Russian nation-state actor tracked as Sandworm has continued its targeting of Ukraine with commodity malware by masquerading as telecom providers, new findings show. Recorded Future said it discovered new infrastructure belonging to UAC-0113 that mimics operators li...

New Capoae Malware Infiltrates WordPress Sites and Installs Backdoored Plugin

A recently discovered wave of malware attacks has been spotted using a variety of tactics to enslave susceptible machines with easy-to-guess administrative credentials to co-opt them into a network with the goal of illegally mining cryptocurrency. "The malware's primary tactic is to spread by...

New Bugs Could Let Hackers Bypass Spectre Attack Mitigations On Linux Systems

Cybersecurity researchers on Monday disclosed two new vulnerabilities in Linux-based operating systems that, if successfully exploited, could let attackers circumvent mitigations for speculative attacks such as Spectre and obtain sensitive information from kernel memory. Discovered by Piotr Krysi...

Everything You Need to Know About Evolving Threat of Ransomware

The cybersecurity world is constantly evolving to new forms of threats and vulnerabilities. But ransomware proves to be a different animal—most destructive, persistent, notoriously challenging to prevent, and is showing no signs of slowing down. Falling victim to a ransomware attack can cause...

Snapd Flaw Lets Attackers Gain Root Access On Linux Systems

Ubuntu and some other Linux distributions suffer from a severe privilege escalation vulnerability that could allow a local attacker or a malicious program to obtain root privileges and total control over the targeted system. Dubbed "DirtySock" and identified as CVE-2019-7304, the vulnerability wa...

Tor Browser Zero-Day Exploit Revealed Online – Patch Now

Zerodium, the infamous exploit vendor that earlier this year offered $1 million for submitting a zero-day exploit for Tor Browser, today publicly revealed a critical zero-day flaw in the anonymous browsing software that could reveal your identity to the sites you visit. In a Tweet, Zerodium share...

Patch Tuesday: Microsoft Releases Update to Fix 53 Vulnerabilities

It's Patch Tuesday—time to update your Windows devices. Microsoft has released a large batch of security updates as part of its November Patch Tuesday in order to fix a total of 53 new security vulnerabilities in various Windows products, 19 of which rated as critical, 31 important and 3 moderate...

Microsoft Releases Updates to Patch Critical Flaws in Windows and Other Software

Microsoft has rolled out fixes for its Windows operating system and other software components to remediate major security shortcomings as part of Patch Tuesday updates for June 2023. Of the 73 flaws, six are rated Critical, 63 are rated Important, two are rated Moderated, and one is rated Low in...

New SH1MMER Exploit for Chromebook Unenrolls Managed ChromeOS Devices

A new exploit has been devised to "unenroll" enterprise- or school-managed Chromebooks from administrative control. Enrolling ChromeOS devices makes it possible to enforce device policies as set by the organization via the Google Admin console, including the features that are available to users...

Russian APT Hackers Used COVID-19 Lures to Target European Diplomats

The Russia-linked threat actor known as APT29 targeted European diplomatic missions and Ministries of Foreign Affairs as part of a series of spear-phishing campaigns mounted in October and November 2021. According to ESET's T3 2021 Threat Report shared with The Hacker News, the intrusions paved t...