Decoy Dog: New Breed of Malware Posing Serious Threats to Enterprise Networks

A deeper analysis of a recently discovered malware called Decoy Dog has revealed that it's a significant upgrade over the Pupy RAT, an open-source remote access trojan it's modeled on. "Decoy Dog has a full suite of powerful, previously unknown capabilities – including the ability to move victims to another controller, allowing them to maintain communication with compromised machines and remain

The Alarming Rise of Infostealers: How to Detect this Silent Threat

A new study conducted by Uptycs has uncovered a stark increase in the distribution of information stealing (a.k.a. infostealer or stealer) malware. Incidents have more than doubled in Q1 2023, indicating an alarming trend that threatens global organizations. According to the new Uptycs' whitepaper, Stealers are Organization Killers, a variety of new info stealers have emerged this year, preying

Fenix Cybercrime Group Poses as Tax Authorities to Target Latin American Users

Tax-paying individuals in Mexico and Chile have been targeted by a Mexico-based cybercrime group that goes by the name Fenix to breach targeted networks and steal valuable data. A key hallmark of the operation entails cloning official portals of the Servicio de Administración Tributaria (SAT) in Mexico and the Servicio de Impuestos Internos (SII) in Chile and redirecting potential victims to

New AI Tool 'FraudGPT' Emerges, Tailored for Sophisticated Attacks

Following the footsteps of WormGPT, threat actors are advertising yet another cybercrime generative artificial intelligence (AI) tool dubbed FraudGPT on various dark web marketplaces and Telegram channels. "This is an AI bot, exclusively targeted for offensive purposes, such as crafting spear phishing emails, creating cracking tools, carding, etc.," Netenrich security researcher Rakesh Krishnan 

Rust-based Realst Infostealer Targeting Apple macOS Users' Cryptocurrency Wallets

A new malware family called Realst has become the latest to target Apple macOS systems, with a third of the samples already designed to infect macOS 14 Sonoma, the upcoming major release of the operating system. Written in the Rust programming language, the malware is distributed in the form of bogus blockchain games and is capable of "emptying crypto wallets and stealing stored password and

North Korean Nation-State Actors Exposed in JumpCloud Hack After OPSEC Blunder

North Korean nation-state actors affiliated with the Reconnaissance General Bureau (RGB) have been attributed to the JumpCloud hack following an operational security (OPSEC) blunder that exposed their actual IP address. Google-owned threat intelligence firm Mandiant attributed the activity to a threat actor it tracks under the name UNC4899, which likely shares overlaps with clusters already

How MDR Helps Solve the Cybersecurity Talent Gap

How do you overcome today's talent gap in cybersecurity? This is a crucial issue — particularly when you find executive leadership or the board asking pointed questions about your security team's ability to defend the organization against new and current threats. This is why many security leaders find themselves turning to managed security services like MDR (managed detection and response),

Critical MikroTik RouterOS Vulnerability Exposes Over Half a Million Devices to Hacking

A severe privilege escalation issue impacting MikroTik RouterOS could be weaponized by remote malicious actors to execute arbitrary code and seize full control of vulnerable devices. Cataloged as CVE-2023-30799 (CVSS score: 9.1), the shortcoming is expected to put approximately 500,000 and 900,000 RouterOS systems at risk of exploitation via their web and/or Winbox interfaces, respectively,

Casbaneiro Banking Malware Goes Under the Radar with UAC Bypass Technique

The financially motivated threat actors behind the Casbaneiro banking malware family have been observed making use of a User Account Control (UAC) bypass technique to gain full administrative privileges on a machine, a sign that the threat actor is evolving their tactics to avoid detection and execute malicious code on compromised assets. "They are still heavily focused on Latin American

macOS Under Attack: Examining the Growing Threat and User Perspectives

As the number of people using macOS keeps going up, so does the desire of hackers to take advantage of flaws in Apple's operating system.  What Are the Rising Threats to macOS? There is a common misconception among macOS fans that Apple devices are immune to hacking and malware infection. However, users have been facing more and more dangers recently. Inventive attackers are specifically

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 sensitive information. The issues, discovered by Midnight Blue in 2021 and held back until now, have

Zenbleed: New Flaw in AMD Zen 2 Processors Puts Encryption Keys and Passwords at Risk

A new security vulnerability has been discovered in AMD's Zen 2 architecture-based processors that could be exploited to extract sensitive data such as encryption keys and passwords. Discovered by Google Project Zero researcher Tavis Ormandy, the flaw – codenamed Zenbleed and tracked as CVE-2023-20593 (CVSS score: 6.5) – allows data exfiltration at the rate of 30 kb per core, per second. The

Atlassian Releases Patches for Critical Flaws in Confluence and Bamboo

Atlassian has released updates to address three security flaws impacting its Confluence Server, Data Center, and Bamboo Data Center products that, if successfully exploited, could result in remote code execution on susceptible systems. The list of the flaws is below - CVE-2023-22505 (CVSS score: 8.0) - RCE (Remote Code Execution) in Confluence Data Center and Server (Fixed in versions 8.3.2 and

Ivanti Releases Urgent Patch for EPMM Zero-Day Vulnerability Under Active Exploitation

Ivanti is warning users to update their Endpoint Manager Mobile (EPMM) mobile device management software (formerly MobileIron Core) to the latest version that fixes an actively exploited zero-day vulnerability. Dubbed CVE-2023-35078, the issue has been described as a remote unauthenticated API access vulnerability that impacts currently supported version 11.4 releases 11.10, 11.9, and 11.8 as

Apple Rolls Out Urgent Patches for Zero-Day Flaws Impacting iPhones, iPads and Macs

Apple has rolled out security updates to iOS, iPadOS, macOS, tvOS, watchOS, and Safari to address several security vulnerabilities, including one actively exploited zero-day bug in the wild. Tracked as CVE-2023-38606, the shortcoming resides in the kernel and permits a malicious app to modify sensitive kernel state potentially. The company said it was addressed with improved state management. "

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, with the issues remediated in versions 1.8.3.7 and 1.8.4.9 released by Atera on April 17, 2023, and

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 limited to communicating with contacts who use the same platform," Giles Hogben, privacy engineering

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 of this year. That follows 707 incidents a year ago, during which over 50 million records were

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 ssh-agent," Saeed Abbasi, manager of vulnerability research at Qualys, said in an analysis last week.

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 malicious functionalities to it," Checkmarx said in a report published last week. "The attackers

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, makes the iPhone maker the latest to join the chorus of voices protesting against forthcoming

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 Directory (Azure AD or AAD) tokens to gain illicit access to Outlook Web Access (OWA) and

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 credentials, cryptocurrency wallets, screen capturing, keylogging, installing more malware, and

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 format that results in very low or no static detection at all," Check Point said in a report

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 ransomware attack. Although city officials have not disclosed how the attack occurred, experts suspect 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 that the attacks were occurring in multiple regions, including Central America, North America,

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, threat actors exploited this vulnerability as a zero-day to drop a web shell on a 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 organization's files, and then threatening to publish the stolen data on a leak site as leverage to convince

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, including unauthenticated remote code execution and unauthorized device access with superuser

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, which allows them to take over any user account, including the admin account," Sonar vulnerability

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 out the infrastructure pertaining to the intrusion to uncover underlying patterns. It's worth noting

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 Server edition and allowed users to remotely access and control Windows-based computers over a

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 Ukraine (CERT-UA), attributed the attacks to a Russian nation-state actor known as Turla, which is

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 other worms," Palo Alto Networks Unit 42 researchers William Gamazo and Nathaniel Quist said. "This

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 making the change in direct response to increasing frequency and evolution of nation-state cyber

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 that could result in a security bypass. It impacts the following versions: ColdFusion 2023 (Update

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 surface from an attacker's perspective has never been more important. Let's look at why it's growing

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 capabilities are required to meet certain levels of network slicing service level requirements over

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 like APT 41 including mobile in its arsenal of malware shows how mobile endpoints are high-value

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 warrant here for details specific to this case. In light of these events, I'd like to discuss how OSINT

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 cloud security firm Orca, which discovered and reported the issue. "By abusing the flaw and enabling

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 the companies' corporate holdings in Hungary (Cytrox Holdings Crt), North Macedonia (Cytrox AD), Greece

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 remote code execution. It impacts the following versions - NetScaler ADC and NetScaler Gateway 13.1

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 telecommunications provider, according to Trend Micro. The infections took place between mid-February 2022 and

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, was first disclosed by Der Spiegel and Der Standard yesterday. Launched in 2004, VirusTotal is a

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 vulnerabilities and review the latest ransomware and malware trends from the deep and dark web. Stolen ChatGPT

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 diversify its focus and maximize profits from infected entities. The intrusion attempt took place in

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 Fitzpatrick (aka pompompurin) was formally charged in the U.S. with conspiracy to commit access device

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 impersonate arbitrary users and perform some actions as the impersonated user, including an

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 Phan, chief information security officer (CISO) at JumpCloud, said in a post-mortem report. "The

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 mobile banking application," researchers from CSIRT KNF said in an analysis released last week. "The

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 management (ASM) vendor, review these six questions before getting started to understand the key features to

Malicious USB Drives Targetinging 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 across the world. SOGU is the "most prevalent USB-based cyber espionage attack using USB flash

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 Cara Lin said. "It primarily targets Windows systems and aims to gather sensitive information from

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 previously compromised accounts," the Computer Emergency Response Team of Ukraine (CERT-UA) said in

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 cybercrime tool called WormGPT has been advertised on underground forums as a way for adversaries to

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 consumer signing key and used it to forge authentication tokens for Azure AD enterprise and MSA

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 DCS platform allow for "unauthorized remote code execution, which means an attacker would have the

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 challenge to safeguarding sensitive data. To effectively address insider risks, organizations must

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 logged into the site as an admin) could then have read them," UpdraftPlus, the maintainers of AIOS,