Critical Zero-Days in Atera Windows Installers Expose Users to Privilege Escalation Attacks

Zero-day vulnerabilities in Windows Installers for the Atera remote monitoring and management software could act as a springboard to launch privilege escalation attacks. The flaws, discovered by Mandiant on February 28, 2023, have been assigned the identifiers CVE-2023-26077 and CVE-2023-26078,...

Google Messages Getting Cross-Platform End-to-End Encryption with MLS Protocol

Google has announced that it intends to add support for Message Layer Security MLS to its Messages service for Android and open source an implementation of the specification. "Most modern consumer messaging platforms including Google Messages support end-to-end encryption, but users today are...

How to Protect Patients and Their Privacy in Your SaaS Apps

The healthcare industry is under a constant barrage of cyberattacks. It has traditionally been one of the most frequently targeted industries, and things haven't changed in 2023. The U.S. Government's Office for Civil Rights reported 145 data breaches in the United States during the first quarter...

New OpenSSH Vulnerability Exposes Linux Systems to Remote Command Injection

Details have emerged about a now-patched flaw in OpenSSH that could be potentially exploited to run arbitrary commands remotely on compromised hosts under specific conditions. "This vulnerability allows a remote attacker to potentially execute arbitrary commands on vulnerable OpenSSH's forwarded...

Banking Sector Targeted in Open-Source Software Supply Chain Attacks

Cybersecurity researchers said they have discovered what they say is the first open-source software supply chain attacks specifically targeting the banking sector. "These attacks showcased advanced techniques, including targeting specific components in web assets of the victim bank by attaching...

Apple Threatens to Pull iMessage and FaceTime from U.K. Amid Surveillance Demands

Apple has warned that it would rather stop offering iMessage and FaceTime services in the U.K. than bowing down to government pressure in response to new proposals that seek to expand digital surveillance powers available to state intelligence agencies. The development, first reported by BBC News...

Azure AD Token Forging Technique in Microsoft Attack Extends Beyond Outlook, Wiz Reports

The recent attack against Microsoft's email infrastructure by a Chinese nation-state actor referred to as Storm-0558 is said to have a broader scope than previously thought. According to cloud security company Wiz, the inactive Microsoft account MSA consumer signing key used to forge Azure Active...

HotRat: New Variant of AsyncRAT Malware Spreading Through Pirated Software

A new variant of AsyncRAT malware dubbed HotRat is being distributed via free, pirated versions of popular software and utilities such as video games, image and sound editing software, and Microsoft Office. "HotRat malware equips attackers with a wide array of capabilities, such as stealing login...

Sophisticated BundleBot Malware Disguised as Google AI Chatbot and Utilities

A new malware strain known as BundleBot has been stealthily operating under the radar by taking advantage of .NET single-file deployment techniques, enabling threat actors to capture sensitive information from compromised hosts. "BundleBot is abusing the dotnet bundle single-file, self-contained...

Local Governments Targeted for Ransomware – How to Prevent Falling Victim

Regardless of the country, local government is essential in most citizens' lives. It provides many day-to-day services and handles various issues. Therefore, their effects can be far-reaching and deeply felt when security failures occur. In early 2023, Oakland, California, fell victim to a...

DDoS Botnets Hijacking Zyxel Devices to Launch Devastating Attacks

Several distributed denial-of-service DDoS botnets have been observed exploiting a critical flaw in Zyxel devices that came to light in April 2023 to gain remote control of vulnerable systems. "Through the capture of exploit traffic, the attacker's IP address was identified, and it was determined...

Citrix NetScaler ADC and Gateway Devices Under Attack: CISA Urges Immediate Action

The U.S. Cybersecurity and Infrastructure Security Agency CISA issued an advisory on Thursday warning that the newly disclosed critical security flaw in Citrix NetScaler Application Delivery Controller ADC and Gateway devices is being abused to drop web shells on vulnerable systems. "In June 2023...

Critical Flaws in AMI MegaRAC BMC Software Expose Servers to Remote Attacks

Two more security flaws have been disclosed in AMI MegaRAC Baseboard Management Controller BMC software that, if successfully exploited, could allow threat actors to remotely commandeer vulnerable servers and deploy malware. "These new vulnerabilities range in severity from High to Critical,...

Mallox Ransomware Exploits Weak MS-SQL Servers to Breach Networks

Mallox ransomware activities in 2023 have witnessed a 174% increase when compared to the previous year, new findings from Palo Alto Networks Unit 42 reveal. "Mallox ransomware, like many other ransomware threat actors, follows the double extortion trend: stealing data before encrypting an...

Apache OpenMeetings Web Conferencing Tool Exposed to Critical Vulnerabilities

Multiple security flaws have been disclosed in Apache OpenMeetings, a web conferencing solution, that could be potentially exploited by malicious actors to seize control of admin accounts and run malicious code on susceptible servers. "Attackers can bring the application into an unexpected state,...

North Korean State-Sponsored Hackers Suspected in JumpCloud Supply Chain Attack

An analysis of the indicators of compromise IoCs associated with the JumpCloud hack has uncovered evidence pointing to the involvement of North Korean state-sponsored groups, in a style that's reminiscent of the supply chain attack targeting 3CX. The findings come from SentinelOne, which mapped o...

A Few More Reasons Why RDP is Insecure (Surprise!)

If it seems like Remote Desktop Protocol RDP has been around forever, it's because it has at least compared to the many technologies that rise and fall within just a few years. The initial version, known as "Remote Desktop Protocol 4.0," was released in 1996 as part of the Windows NT 4.0 Terminal...

Turla's New DeliveryCheck Backdoor Breaches Ukrainian Defense Sector

The defense sector in Ukraine and Eastern Europe has been targeted by a novel .NET-based backdoor called DeliveryCheck aka CAPIBAR or GAMEDAY that's capable of delivering next-stage payloads. The Microsoft threat intelligence team, in collaboration with the Computer Emergency Response Team of...

New P2PInfect Worm Targeting Redis Servers on Linux and Windows Systems

Cybersecurity researchers have uncovered a new cloud targeting, peer-to-peer P2P worm called P2PInfect that targets vulnerable Redis instances for follow-on exploitation. "P2PInfect exploits Redis servers running on both Linux and Windows Operating Systems making it more scalable and potent than...

Microsoft Expands Cloud Logging to Counter Rising Nation-State Cyber Threats

Microsoft on Wednesday announced that it's expanding cloud logging capabilities to help organizations investigate cybersecurity incidents and gain more visibility after facing criticism in the wake of a recent espionage attack campaign aimed at its email infrastructure. The tech giant said it's...

Adobe Rolls Out New Patches for Actively Exploited ColdFusion Vulnerability

Adobe has released a fresh round of updates to address an incomplete fix for a recently disclosed ColdFusion flaw that has come under active exploitation in the wild. The critical shortcoming, tracked as CVE-2023-38205 CVSS score: 7.5, has been described as an instance of improper access control...

How to Manage Your Attack Surface?

Attack surfaces are growing faster than security teams can keep up. To stay ahead, you need to know what's exposed and where attackers are most likely to strike. With cloud migration dramatically increasing the number of internal and external targets, prioritizing threats and managing your attack...

CISA and NSA Issue New Guidance to Strengthen 5G Network Slicing Against Threats

U.S. cybersecurity and intelligence agencies have released a set of recommendations to address security concerns with 5G standalone network slicing and harden them against possible threats. "The threat landscape in 5G is dynamic; due to this, advanced monitoring, auditing, and other analytical...

Chinese APT41 Hackers Target Mobile Devices with New WyrmSpy and DragonEgg Spyware

The prolific China-linked nation-state actor known as APT41 has been linked to two previously undocumented strains of Android spyware called WyrmSpy and DragonEgg. "Known for its exploitation of web-facing applications and infiltration of traditional endpoint devices, an established threat actor...

Exploring the Dark Side: OSINT Tools and Techniques for Unmasking Dark Web Operations

On April 5, 2023, the FBI and Dutch National Police announced the takedown of Genesis Market, one of the largest dark web marketplaces. The operation, dubbed "Operation Cookie Monster," resulted in the arrest of 119 people and the seizure of over $1M in cryptocurrency. You can read the FBI's...

Bad.Build Flaw in Google Cloud Build Raises Concerns of Privilege Escalation

Cybersecurity researchers have uncovered a privilege escalation vulnerability in Google Cloud that could enable malicious actors tamper with application images and infect users, leading to supply chain attacks. The issue, dubbed Bad.Build, is rooted in the Google Cloud Build service, according to...

U.S. Government Blacklists Cytrox and Intellexa Spyware Vendors for Cyber Espionage

The U.S. government on Tuesday added two foreign commercial spyware vendors, Cytrox and Intellexa, to an economic blocklist for weaponizing cyber exploits to gain unauthorized access to devices and "threatening the privacy and security of individuals and organizations worldwide." This includes th...

Zero-Day Attacks Exploited Critical Vulnerability in Citrix ADC and Gateway

Citrix is alerting users of a critical security flaw in NetScaler Application Delivery Controller ADC and Gateway that it said is being actively exploited in the wild. Tracked as CVE-2023-3519 CVSS score: 9.8, the issue relates to a case of code injection that could result in unauthenticated remo...

Pakistani Entities Targeted in Sophisticated Attack Deploying ShadowPad Malware

An unidentified threat actor compromised an application used by multiple entities in Pakistan to deliver ShadowPad, a successor to the PlugX backdoor that's commonly associated with Chinese hacking crews. Targets included a Pakistan government entity, a public sector bank, and a telecommunication...

VirusTotal Data Leak Exposes Some Registered Customers' Details

Data associated with a subset of registered customers of VirusTotal, including their names and email addresses, were exposed after an employee inadvertently uploaded the information to the malware scanning platform. The security incident, which comprises a database of 5,600 names in a 313KB file,...

Go Beyond the Headlines for Deeper Dives into the Cybercriminal Underground

Discover stories about threat actors' latest tactics, techniques, and procedures from Cybersixgill's threat experts each month. Each story brings you details on emerging underground threats, the threat actors involved, and how you can take action to mitigate risks. Learn about the top...

FIN8 Group Using Modified Sardonic Backdoor for BlackCat Ransomware Attacks

The financially motivated threat actor known as FIN8 has been observed using a "revamped" version of a backdoor called Sardonic to deliver the BlackCat ransomware. According to the Symantec Threat Hunter Team, part of Broadcom, the development is an attempt on the part of the e-crime group to...

Owner of BreachForums Pleads Guilty to Cybercrime and Child Pornography Charges

Conor Brian Fitzpatrick, the owner of the now-defunct BreachForums website, has pleaded guilty to charges related to his operation of the cybercrime forum as well as having child pornography images. The development, first reported by DataBreaches.net last week, comes nearly four months after...

Cybercriminals Exploiting WooCommerce Payments Plugin Flaw to Hijack Websites

Threat actors are actively exploiting a recently disclosed critical security flaw in the WooCommerce Payments WordPress plugin as part of a massive targeted campaign. The flaw, tracked as CVE-2023-28121 CVSS score: 9.8, is a case of authentication bypass that enables unauthenticated attackers to...

JumpCloud Blames 'Sophisticated Nation-State' Actor for Security Breach

A little over a week after JumpCloud reset API keys of customers impacted by a security incident, the company said the intrusion was the work of a sophisticated nation-state actor. The adversary "gained unauthorized access to our systems to target a small and specific set of our customers," Bob...

Hackers Exploit WebAPK to Deceive Android Users into Installing Malicious Apps

Threat actors are taking advantage of Android's WebAPK technology to trick unsuspecting users into installing malicious web apps on Android phones that are designed to capture sensitive personal information. "The attack began with victims receiving SMS messages suggesting the need to update a...

These 6 Questions Will Help You Choose the Best Attack Surface Management Platform

The hype around different security categories can make it difficult to discern features and capabilities from bias when researching new platforms. You want to advance your security measures, but what steps actually make sense for your business? For anyone ready to find an attack surface managemen...

Malicious USB Drives Targeting Global Targets with SOGU and SNOWYDRIVE Malware

Cyber attacks using infected USB infection drives as an initial access vector have witnessed a three-fold increase in the first half of 2023, That's according to new findings from Mandiant, which detailed two such campaigns – SOGU and SNOWYDRIVE – targeting both public and private sector entities...

Cybercriminals Exploit Microsoft Word Vulnerabilities to Deploy LokiBot Malware

Microsoft Word documents exploiting known remote code execution flaws are being used as phishing lures to drop malware called LokiBot on compromised systems. "LokiBot, also known as Loki PWS, has been a well-known information-stealing Trojan active since 2015," Fortinet FortiGuard Labs researcher...

CERT-UA Uncovers Gamaredon's Rapid Data Exfiltration Tactics Following Initial Compromise

The Russia-linked threat actor known as Gamaredon has been observed conducting data exfiltration activities within an hour of the initial compromise. "As a vector of primary compromise, for the most part, emails and messages in messengers Telegram, WhatsApp, Signal are used, in most cases, using...

WormGPT: New AI Tool Allows Cybercriminals to Launch Sophisticated Cyber Attacks

With generative artificial intelligence AI becoming all the rage these days, it's perhaps not surprising that the technology has been repurposed by malicious actors to their own advantage, enabling avenues for accelerated cybercrime. According to findings from SlashNext, a new generative AI...

Microsoft Bug Allowed Hackers to Breach Over Two Dozen Organizations via Forged Azure AD Tokens

Microsoft on Friday said a validation error in its source code allowed for Azure Active Directory Azure AD tokens to be forged by a malicious actor known as Storm-0558 using a Microsoft account MSA consumer signing key to breach two dozen organizations. "Storm-0558 acquired an inactive MSA consum...

Critical Security Flaws Uncovered in Honeywell Experion DCS and QuickBlox Services

Multiple security vulnerabilities have been discovered in various services, including Honeywell Experion distributed control system DCS and QuickBlox, that, if successfully exploited, could result in severe compromise of affected systems. Dubbed Crit.IX, the nine flaws in the Honeywell Experion D...

Defend Against Insider Threats: Join this Webinar on SaaS Security Posture Management

As security practices continue to evolve, one primary concern persists in the minds of security professionals—the risk of employees unintentionally or deliberately exposing vital information. Insider threats, whether originating from deliberate actions or accidental incidents, pose a significant...

AIOS WordPress Plugin Faces Backlash for Storing User Passwords in Plaintext

All-In-One Security AIOS, a WordPress plugin installed on over one million sites, has issued a security update after a bug introduced in version 5.1.9 of the software caused users' passwords being added to the database in plaintext format. "A malicious site administrator i.e. a user already logge...

TeamTNT's Cloud Credential Stealing Campaign Now Targets Azure and Google Cloud

A malicious actor has been linked to a cloud credential stealing campaign in June 2023 that's focused on Azure and Google Cloud Platform GCP services, marking the adversary's expansion in targeting beyond Amazon Web Services AWS. The findings come from SentinelOne and Permiso, which said the...

New SOHO Router Botnet AVrecon Spreads to 70,000 Devices Across 20 Countries

A new malware strain has been found covertly targeting small office/home office SOHO routers for more than two years, infiltrating over 70,000 devices and creating a botnet with 40,000 nodes spanning 20 countries. Lumen Black Lotus Labs has dubbed the malware AVrecon, making it the third such...

Zimbra Warns of Critical Zero-Day Flaw in Email Software Amid Active Exploitation

Zimbra has warned of a critical zero-day security flaw in its email software that has come under active exploitation in the wild. "A security vulnerability in Zimbra Collaboration Suite Version 8.8.15 that could potentially impact the confidentiality and integrity of your data has surfaced," the...

PicassoLoader Malware Used in Ongoing Attacks on Ukraine and Poland

Government entities, military organizations, and civilian users in Ukraine and Poland have been targeted as part of a series of campaigns designed to steal sensitive data and gain persistent remote access to the infected systems. The intrusion set, which stretches from April 2022 to July 2023,...

TeamTNT's Silentbob Botnet Infecting 196 Hosts in Cloud Attack Campaign

As many as 196 hosts have been infected as part of an aggressive cloud campaign mounted by the TeamTNT group called Silentbob. "The botnet run by TeamTNT has set its sights on Docker and Kubernetes environments, Redis servers, Postgres databases, Hadoop clusters, Tomcat and Nginx servers, Weave...