Beware of MalDoc in PDF: A New Polyglot Attack Allowing Attackers to Evade Antivirus

Cybersecurity researchers have called attention to a new antivirus evasion technique that involves embedding a malicious Microsoft Word file into a PDF file. The sneaky method, dubbed MalDoc in PDF by JPCERT/CC, is said to have been employed in an in-the-wild attack in July 2023. "A file created with MalDoc in PDF can be opened in Word even though it has magic numbers and file structure of PDF,"

PoC Exploit Released for Critical VMware Aria's SSH Auth Bypass Vulnerability

Proof-of-concept (PoC) exploit code has been made available for a recently disclosed and patched critical flaw impacting VMware Aria Operations for Networks (formerly vRealize Network Insight). The flaw, tracked as CVE-2023-34039, is rated 9.8 out of a maximum of 10 for severity and has been described as a case of authentication bypass due to a lack of unique cryptographic key generation. “A

Okta Warns of Social Engineering Attacks Targeting Super Administrator Privileges

Identity services provider Okta on Friday warned of social engineering attacks orchestrated by threat actors to obtain elevated administrator permissions. “In recent weeks, multiple U.S.-based Okta customers have reported a consistent pattern of social engineering attacks against IT service desk personnel, in which the caller’s strategy was to convince service desk personnel to reset all

Threat Actors Targeting Microsoft SQL Servers to Deploy FreeWorld Ransomware

Threat actors are exploiting poorly secured Microsoft SQL (MS SQL) servers to deliver Cobalt Strike and a ransomware strain called FreeWorld. Cybersecurity firm Securonix, which has dubbed the campaign DB#JAMMER, said it stands out for the way the toolset and infrastructure is employed. “Some of these tools include enumeration software, RAT payloads, exploitation and credential stealing software

Russian State-Backed 'Infamous Chisel' Android Malware Targets Ukrainian Military

Cybersecurity and intelligence agencies from Australia, Canada, New Zealand, the U.K., and the U.S. on Thursday disclosed details of a mobile malware strain targeting Android devices used by the Ukrainian military. The malicious software, dubbed Infamous Chisel and attributed to a Russian state-sponsored actor called Sandworm, has capabilities to “enable unauthorized access to compromised

New SuperBear Trojan Emerges in Targeted Phishing Attack on South Korean Activists

A new phishing attack likely targeting civil society groups in South Korea has led to the discovery of a novel remote access trojan called SuperBear. The intrusion singled out an unnamed activist, who was contacted in late August 2023 and received a malicious LNK file from an address impersonating a member of the organization, non-profit entity Interlabs said in a new report. The LNK file, upon

It's a Zero-day? It's Malware? No! It's Username and Password

As cyber threats continue to evolve, adversaries are deploying a range of tools to breach security defenses and compromise sensitive data. Surprisingly, one of the most potent weapons in their arsenal is not malicious code but simply stolen or weak usernames and passwords. This article explores the seriousness of compromised credentials, the challenges they present to security solutions, and the

Classiscam Scam-as-a-Service Raked $64.5 Million During the COVID-19 Pandemic

The Classiscam scam-as-a-service program has reaped the criminal actors $64.5 million in illicit earnings since its emergence in 2019. "Classiscam campaigns initially started out on classified sites, on which scammers placed fake advertisements and used social engineering techniques to convince users to pay for goods by transferring money to bank cards," Group-IB said in a new report. "Since

SapphireStealer Malware: A Gateway to Espionage and Ransomware Operations

An open-source .NET-based information stealer malware dubbed SapphireStealer is being used by multiple entities to enhance its capabilities and spawn their own bespoke variants. “Information-stealing malware like SapphireStealer can be used to obtain sensitive information, including corporate credentials, which are often resold to other threat actors who leverage the access for additional

North Korean Hackers Deploy New Malicious Python Packages in PyPI Repository

Three additional rogue Python packages have been discovered in the Package Index (PyPI) repository as part of an ongoing malicious software supply chain campaign called VMConnect, with signs pointing to the involvement of North Korean state-sponsored threat actors. The findings come from ReversingLabs, which detected the packages tablediter, request-plus, and requestspro. First disclosed at the

Numbers Don't Lie: Exposing the Harsh Truths of Cyberattacks in New Report

How often do cyberattacks happen? How frequently do threat actors target businesses and governments around the world? The BlackBerry® Threat Research and Intelligence Team recently analyzed 90 days of real-world data to answer these questions. Full results are in the latest BlackBerry Global Threat Intelligence Report, but read on for a teaser of several interesting cyber attack statistics.

Earth Estries' Espionage Campaign Targets Governments and Tech Titans Across Continents

A hacking outfit nicknamed Earth Estries has been attributed to a new, ongoing cyber espionage campaign targeting government and technology industries based in the Philippines, Taiwan, Malaysia, South Africa, Germany, and the U.S. "The threat actors behind Earth Estries are working with high-level resources and functioning with sophisticated skills and experience in cyber espionage and illicit

Hackers Can Exploit Windows Container Isolation Framework to Bypass Endpoint Security

New findings show that malicious actors could leverage a sneaky malware detection evasion technique and bypass endpoint security solutions by manipulating the Windows Container Isolation Framework. The findings were presented by Deep Instinct security researcher Daniel Avinoam at the DEF CON security conference held earlier this month. Microsoft's container architecture (and by extension, 

MMRat Android Trojan Executes Remote Financial Fraud Through Accessibility Feature

A previously undocumented Android banking trojan dubbed MMRat has been observed targeting mobile users in Southeast Asia since late June 2023 to remotely commandeer the devices and perform financial fraud. "The malware, named after its distinctive package name com.mm.user, can capture user input and screen content, and can also remotely control victim devices through various techniques, enabling

China-Linked BadBazaar Android Spyware Targeting Signal and Telegram Users

Cybersecurity researchers have discovered malicious Android apps for Signal and Telegram distributed via the Google Play Store and Samsung Galaxy Store that are engineered to deliver the BadBazaar spyware on infected devices. Slovakian company ESET attributed the campaign to a China-linked actor called GREF. "Most likely active since July 2020 and since July 2022, respectively, the campaigns

How to Prevent ChatGPT From Stealing Your Content & Traffic

ChatGPT and similar large language models (LLMs) have added further complexity to the ever-growing online threat landscape. Cybercriminals no longer need advanced coding skills to execute fraud and other damaging attacks against online businesses and customers, thanks to bots-as-a-service, residential proxies, CAPTCHA farms, and other easily accessible tools.  Now, the latest technology damaging

Malicious npm Packages Aim to Target Developers for Source Code Theft

An unknown threat actor is leveraging malicious npm packages to target developers with an aim to steal source code and configuration files from victim machines, a sign of how threats lurk consistently in open-source repositories. "The threat actor behind this campaign has been linked to malicious activity dating back to 2021," software supply chain security firm Checkmarx said in a report shared

Alert: Juniper Firewalls, Openfire, and Apache RocketMQ Under Attack from New Exploits

Recently disclosed security flaws impacting Juniper firewalls, Openfire, and Apache RocketMQ servers have come under active exploitation in the wild, according to multiple reports. The Shadowserver Foundation said that it's "seeing exploitation attempts from multiple IPs for Juniper J-Web CVE-2023-36844 (& friends) targeting /webauth_operation.php endpoint," the same day a proof-of-concept (PoC)

Critical Vulnerability Alert: VMware Aria Operations Networks at Risk from Remote Attacks

VMware has released software updates to correct two security vulnerabilities in Aria Operations for Networks that could be potentially exploited to bypass authentication and gain remote code execution. The most severe of the flaws is CVE-2023-34039 (CVSS score: 9.8), which relates to a case of authentication bypass arising as a result of a lack of unique cryptographic key generation. "A

LockBit 3.0 Ransomware Builder Leak Gives Rise to Hundreds of New Variants

The leak of the LockBit 3.0 ransomware builder last year has led to threat actors abusing the tool to spawn new variants. Russian cybersecurity company Kaspersky said it detected a ransomware intrusion that deployed a version of LockBit but with a markedly different ransom demand procedure. "The attacker behind this incident decided to use a different ransom note with a headline related to a

Kroll Suffers Data Breach: Employee Falls Victim to SIM Swapping Attack

Risk and financial advisory solutions provider Kroll on Friday disclosed that one of its employees fell victim to a "highly sophisticated" SIM swapping attack. The incident, which took place on August 19, 2023, targeted the employee's T-Mobile account, the company said. "Specifically, T-Mobile, without any authority from or contact with Kroll or its employee, transferred that employee's phone

Learn How Your Business Data Can Amplify Your AI/ML Threat Detection Capabilities

In today's digital landscape, your business data is more than just numbers—it's a powerhouse. Imagine leveraging this data not only for profit but also for enhanced AI and Machine Learning (ML) threat detection. For companies like Comcast, this isn't a dream. It's reality. Your business comprehends its risks, vulnerabilities, and the unique environment in which it operates. No generic,

Navigating Legacy Infrastructure: A CISO's Actionable Strategy for Success

Every company has some level of tech debt. Unless you’re a brand new start-up, you most likely have a patchwork of solutions that have been implemented throughout the years, often under various leadership teams with different priorities and goals. As those technologies age, they can leave your organization vulnerable to cyber threats. While replacing legacy technologies can be costly, those

China-Linked Flax Typhoon Cyber Espionage Targets Taiwan's Key Sectors

A nation-state activity group originating from China has been linked to cyber attacks on dozens of organizations in Taiwan as part of a suspected espionage campaign. The Microsoft Threat Intelligence team is tracking the activity under the name Flax Typhoon, which is also known as Ethereal Panda. "Flax Typhoon gains and maintains long-term access to Taiwanese organizations' networks with minimal

Urgent FBI Warning: Barracuda Email Gateways Vulnerable Despite Recent Patches

The U.S. Federal Bureau of Investigation (FBI) is warning that Barracuda Networks Email Security Gateway (ESG) appliances patched against a recently disclosed critical flaw continue to be at risk of potential compromise from suspected Chinese hacking groups. It also deemed the fixes as "ineffective" and that it "continues to observe active intrusions and considers all affected Barracuda ESG

Lazarus Group Exploits Critical Zoho ManageEngine Flaw to Deploy Stealthy QuiteRAT Malware

The North Korea-linked threat actor known as Lazarus Group has been observed exploiting a now-patched critical security flaw impacting Zoho ManageEngine ServiceDesk Plus to distribute a remote access trojan called such as QuiteRAT. Targets include internet backbone infrastructure and healthcare entities in Europe and the U.S., cybersecurity company Cisco Talos said in a two-part analysis 

New Telegram Bot "Telekopye" Powering Large-scale Phishing Scams from Russia

A new financially motivated operation is leveraging a malicious Telegram bot to help threat actors scam their victims. Dubbed Telekopye, a portmanteau of Telegram and kopye (meaning "spear" in Russian), the toolkit functions as an automated means to create a phishing web page from a premade template and send the URL to potential victims, codenamed Mammoths by the criminals. "This toolkit is

The Hidden Dangers of Public Wi-Fi

Public Wi-Fi, which has long since become the norm, poses threats to not only individual users but also businesses. With the rise of remote work, people can now work from virtually anywhere: a cafe close to home, a hotel in a different city, or even while waiting for a plane at the airport. Next, let's explore the risks of connecting to public Wi-Fi, both for you personally and for businesses.

WinRAR Security Flaw Exploited in Zero-Day Attacks to Target Traders

A recently patched security flaw in the popular WinRAR archiving software has been exploited as a zero-day since April 2023, new findings from Group-IB reveal. The vulnerability, cataloged as CVE-2023-38831, allows threat actors to spoof file extensions, thereby making it possible to launch malicious scripts contained within an archive that masquerades as seemingly innocuous image or text files.

Thousands of Unpatched Openfire XMPP Servers Still Exposed to High-Severity Flaw

Thousands of Openfire XMPP servers are unpatched against a recently disclosed high-severity flaw and are susceptible to a new exploit, according to a new report from VulnCheck. Tracked as CVE-2023-32315 (CVSS score: 7.5), the vulnerability relates to a path traversal vulnerability in Openfire's administrative console that could permit an unauthenticated attacker to access otherwise restricted

Tornado Cash Founders Charged in Billion-Dollar Crypto Laundering Scandal

The U.S. Justice Department (DoJ) on Wednesday unsealed an indictment against two founders of the now-sanctioned Tornado Cash cryptocurrency mixer service, charging them with laundering more than $1 billion in criminal proceeds. Both the individuals, Roman Storm and Roman Semenov, have been charged with conspiracy to commit money laundering, conspiracy to commit sanctions violations, and

North Korean Affiliates Suspected in $40M Cryptocurrency Heist, FBI Warns

The U.S. Federal Bureau of Investigation (FBI) on Tuesday warned that threat actors affiliated with North Korea may attempt to cash out stolen cryptocurrency worth more than $40 million. The law enforcement agency attributed the blockchain activity to an adversary the U.S. government tracks as TraderTraitor, which is also known by the name Jade Sleet. An investigation undertaken by the FBI found

Meta Set to Enable Default End-to-End Encryption on Messenger by Year End

Meta has once again reaffirmed its plans to roll out support for end-to-end encryption (E2EE) by default for one-to-one friends and family chats on Messenger by the end of the year. As part of that effort, the social media giant said it's upgrading "millions more people's chats" effective August 22, 2023, exactly seven months after it started gradually expanding the feature to more users in

Agile Approach to Mass Cloud Credential Harvesting and Crypto Mining Sprints Ahead

Developers are not the only people who have adopted the agile methodology for their development processes. From 2023-06-15 to 2023-07-11, Permiso Security’s p0 Labs team identified and tracked an attacker developing and deploying eight (8) incremental iterations of their credential harvesting malware while continuing to develop infrastructure for an upcoming (spoiler: now launched) campaign

Syrian Threat Actor EVLF Unmasked as Creator of CypherRAT and CraxsRAT Android Malware

A Syrian threat actor named EVLF has been outed as the creator of malware families CypherRAT and CraxsRAT. "These RATs are designed to allow an attacker to remotely perform real-time actions and control the victim device's camera, location, and microphone," Cybersecurity firm Cyfirma said in a report published last week. CypherRAT and CraxsRAT are said to be offered to other cybercriminals as

Spacecolon Toolset Fuels Global Surge in Scarab Ransomware Attacks

A malicious toolset dubbed Spacecolon is being deployed as part of an ongoing campaign to spread variants of the Scarab ransomware across victim organizations globally. "It probably finds its way into victim organizations by its operators compromising vulnerable web servers or via brute forcing RDP credentials," ESET security researcher Jakub Souček said in a detailed technical write-up

Over a Dozen Malicious npm Packages Target Roblox Game Developers

More than a dozen malicious packages have been discovered on the npm package repository since the start of August 2023 with capabilities to deploy an open-source information stealer called Luna Token Grabber on systems belonging to Roblox developers. The ongoing campaign, first detected on August 1 by ReversingLabs, employs modules that masquerade as the legitimate package noblox.js, an API

CISOs Tout SaaS Cybersecurity Confidence, But 79% Admit to SaaS Incidents, New Report Finds

A new State of SaaS Security Posture Management Report from SaaS cybersecurity provider AppOmni indicates that Cybersecurity, IT, and business leaders alike recognize SaaS cybersecurity as an increasingly important part of the cyber threat landscape. And at first glance, respondents appear generally optimistic about their SaaS cybersecurity. Over 600 IT, cybersecurity, and business leaders at

New Variant of XLoader macOS Malware Disguised as 'OfficeNote' Productivity App

A new variant of an Apple macOS malware called XLoader has surfaced in the wild, masquerading its malicious features under the guise of an office productivity app called "OfficeNote." "The new version of XLoader is bundled inside a standard Apple disk image with the name OfficeNote.dmg," SentinelOne security researchers Dinesh Devadoss and Phil Stokes said in a Monday analysis. "The application

Ivanti Warns of Critical Zero-Day Flaw Being Actively Exploited in Sentry Software

Software services provider Ivanti is warning of a new critical zero-day flaw impacting Ivanti Sentry (formerly MobileIron Sentry) that it said is being actively exploited in the wild, marking an escalation of its security woes. Tracked as CVE-2023-38035 (CVSS score: 9.8), the issue has been described as a case of authentication bypass impacting versions 9.18 and prior due to what it called an

Critical Adobe ColdFusion Flaw Added to CISA's Exploited Vulnerability Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security flaw in Adobe ColdFusion to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerability, cataloged as CVE-2023-26359 (CVSS score: 9.8), relates to a deserialization flaw present in Adobe ColdFusion 2018 (Update 15 and earlier) and ColdFusion 2021 (

New WinRAR Vulnerability Could Allow Hackers to Take Control of Your PC

A high-severity security flaw has been disclosed in the WinRAR utility that could be potentially exploited by a threat actor to achieve remote code execution on Windows systems. Tracked as CVE-2023-40477 (CVSS score: 7.8), the vulnerability has been described as a case of improper validation while processing recovery volumes. "The issue results from the lack of proper validation of user-supplied

How to Investigate an OAuth Grant for Suspicious Activity or Overly Permissive Scopes

From a user’s perspective, OAuth works like magic. In just a few keystrokes, you can whisk through the account creation process and gain immediate access to whatever new app or integration you’re seeking. Unfortunately, few users understand the implications of the permissions they allow when they create a new OAuth grant, making it easy for malicious actors to manipulate employees into giving

This Malware Turned Thousands of Hacked Windows and macOS PCs into Proxy Servers

Threat actors are leveraging access to malware-infected Windows and macOS machines to deliver a proxy server application and use them as exit nodes to reroute proxy requests. According to AT&T Alien Labs, the unnamed company that offers the proxy service operates more than 400,000 proxy exit nodes, although it's not immediately clear how many of them were co-opted by malware installed on

HiatusRAT Malware Resurfaces: Taiwan Firms and U.S. Military Under Attack

The threat actors behind the HiatusRAT malware have returned from their hiatus with a new wave of reconnaissance and targeting activity aimed at Taiwan-based organizations and a U.S. military procurement system. Besides recompiling malware samples for different architectures, the artifacts are said to have been hosted on new virtual private servers (VPSs), Lumen Black Lotus Labs said in a report

WoofLocker Toolkit Hides Malicious Codes in Images to Run Tech Support Scams

Cybersecurity researchers have detailed an updated version of an advanced fingerprinting and redirection toolkit called WoofLocker that's engineered to conduct tech support scams. The sophisticated traffic redirection scheme was first documented by Malwarebytes in January 2020, leveraging JavaScript embedded in compromised websites to perform anti-bot and web traffic filtering checks to serve

New Juniper Junos OS Flaws Expose Devices to Remote Attacks - Patch Now

Networking hardware company Juniper Networks has released an "out-of-cycle" security update to address multiple flaws in the J-Web component of Junos OS that could be combined to achieve remote code execution on susceptible installations. The four vulnerabilities have a cumulative CVSS rating of 9.8, making them Critical in severity. They affect all versions of Junos OS on SRX and EX Series. "By

Thousands of Android Malware Apps Using Stealthy APK Compression to Evade Detection

Threat actors are using Android Package (APK) files with unknown or unsupported compression methods to elude malware analysis. That's according to findings from Zimperium, which found 3,300 artifacts leveraging such compression algorithms in the wild. 71 of the identified samples can be loaded on the operating system without any problems. There is no evidence that the apps were available on the

14 Suspected Cybercriminals Arrested Across Africa in Coordinated Crackdown

A coordinated law enforcement operation across 25 African countries has led to the arrest of 14 suspected cybercriminals, INTERPOL announced Friday. The exercise, conducted in partnership with AFRIPOL, enabled investigators to identify 20,674 cyber networks that were linked to financial losses of more than $40 million. "The four-month Africa Cyber Surge II operation was launched in April 2023

What's the State of Credential theft in 2023?

At a little overt halfway through 2023, credential theft is still a major thorn in the side of IT teams. The heart of the problem is the value of data to cybercriminals and the evolution of the techniques they use to get hold of it. The 2023 Verizon Data Breach Investigations Report (DBIR) revealed that 83% of breaches involved external actors, with almost all attacks being financially motivated

Experts Uncover Weaknesses in PowerShell Gallery Enabling Supply Chain Attacks

Active flaws in the PowerShell Gallery could be weaponized by threat actors to pull off supply chain attacks against the registry's users. "These flaws make typosquatting attacks inevitable in this registry, while also making it extremely difficult for users to identify the true owner of a package," Aqua security researchers Mor Weinberger, Yakir Kadkoda, and Ilay Goldman said in a report shared

Guide: How Google Workspace-based Organizations can leverage Chrome to improve Security

More and more organizations are choosing Google Workspace as their default employee toolset of choice. But despite the productivity advantages, this organizational action also incurs a new security debt. Security teams now have to find a way to adjust their security architecture to this new cloud workload. Some teams may rely on their existing network security solutions. According to a new guide

Monti Ransomware Returns with New Linux Variant and Enhanced Evasion Tactics

The threat actors behind the Monti ransomware have resurfaced after a two-month break with a new Linux version of the encryptor in its attacks targeting government and legal sectors. Monti emerged in June 2022, weeks after the Conti ransomware group shut down its operations, deliberately imitating the tactics and tools associated with the latter, including its leaked source code. Not anymore.

Malware Unleashed: Public Sector Hit in Sudden Surge, Reveals New Report

The just-released BlackBerry Global Threat Intelligence Report reveals a 40% increase in cyberattacks against government and public service organizations versus the previous quarter. This includes public transit, utilities, schools, and other government services we rely on daily. With limited resources and often immature cyber defense programs, these publicly funded organizations are struggling

Gigabud RAT Android Banking Malware Targets Institutions Across Countries

Account holders of over numerous financial institutions in Thailand, Indonesia, Vietnam, the Philippines, and Peru are being targeted by an Android banking malware called Gigabud RAT. "One of Gigabud RAT's unique features is that it doesn't execute any malicious actions until the user is authorized into the malicious application by a fraudster, [...] which makes it harder to detect," Group-IB

Over 120,000 Computers Compromised by Info Stealers Linked to Users of Cybercrime Forums

A "staggering" 120,000 computers infected by stealer malware have credentials associated with cybercrime forums, many of them belonging to malicious actors. The findings come from Hudson Rock, which analyzed data collected from computers compromised between 2018 to 2023. "Hackers around the world infect computers opportunistically by promoting results for fake software or through YouTube

QwixxRAT: New Remote Access Trojan Emerges via Telegram and Discord

A new remote access trojan (RAT) called QwixxRAT is being advertised for sale by its threat actor through Telegram and Discord platforms. "Once installed on the victim's Windows platform machines, the RAT stealthily collects sensitive data, which is then sent to the attacker's Telegram bot, providing them with unauthorized access to the victim's sensitive information," Uptycs said in a new

Ongoing Xurum Attacks on E-commerce Sites Exploiting Critical Magento 2 Vulnerability

E-commerce sites using Adobe's Magento 2 software are the target of an ongoing campaign that has been active since at least January 2023. The attacks, dubbed Xurum by Akamai, leverage a now-patched critical security flaw (CVE-2022-24086, CVSS score: 9.8) in Adobe Commerce and Magento Open Source that, if successfully exploited, could lead to arbitrary code execution. "The attacker seems to be

Identity Threat Detection and Response: Rips in Your Identity Fabric

Why SaaS Security Is a Challenge In today's digital landscape, organizations are increasingly relying on Software-as-a-Service (SaaS) applications to drive their operations. However, this widespread adoption has also opened the doors to new security risks and vulnerabilities. The SaaS security attack surface continues to widen. It started with managing misconfigurations and now requires a

New Financial Malware 'JanelaRAT' Targets Latin American Users

Users in Latin America (LATAM) are the target of a financial malware called JanelaRAT that's capable of capturing sensitive information from compromised Microsoft Windows systems. "JanelaRAT mainly targets financial and cryptocurrency data from LATAM bank and financial institutions," Zscaler ThreatLabz researchers Gaetano Pellegrino and Sudeep Singh said, adding it "abuses DLL side-loading