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

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

Researchers Uncover New High-Severity Vulnerability in PaperCut Software

Cybersecurity researchers have discovered a new high-severity security flaw in PaperCut print management software for Windows that could result in remote code execution under specific circumstances. Tracked as CVE-2023-39143 (CVSS score: 8.4), the flaw impacts PaperCut NG/MF prior to version 22.1.3. It has been described as a combination of a path traversal and file upload vulnerability. "CVE-

Phishers Exploit Salesforce's Email Services Zero-Day in Targeted Facebook Campaign

A sophisticated Facebook phishing campaign has been observed exploiting a zero-day flaw in Salesforce's email services, allowing threat actors to craft targeted phishing messages using the company's domain and infrastructure. "Those phishing campaigns cleverly evade conventional detection methods by chaining the Salesforce vulnerability and legacy quirks in Facebook's Web Games platform,"

Iranian Company Cloudzy Accused of Aiding Cybercriminals and Nation-State Hackers

Services offered by an obscure Iranian company known as Cloudzy are being leveraged by multiple threat actors, including cybercrime groups and nation-state crews. "Although Cloudzy is incorporated in the United States, it almost certainly operates out of Tehran, Iran – in possible violation of U.S. sanctions – under the direction of someone going by the name Hassan Nozari," Halcyon said in a new

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 

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

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

Cybercrime Group 'Muddled Libra' Targets BPO Sector with Advanced Social Engineering

A threat actor known as Muddled Libra is targeting the business process outsourcing (BPO) industry with persistent attacks that leverage advanced social engineering ploys to gain initial access. "The attack style defining Muddled Libra appeared on the cybersecurity radar in late 2022 with the release of the 0ktapus phishing kit, which offered a prebuilt hosting framework and bundled templates,"

Critical Security Vulnerability Discovered in WooCommerce Stripe Gateway Plugin

A security flaw has been uncovered in the WooCommerce Stripe Gateway WordPress plugin that could lead to the unauthorized disclosure of sensitive information. The flaw, tracked as CVE-2023-34000, impacts versions 7.4.0 and below. It was addressed by the plugin maintainers in version 7.4.1, which shipped on May 30, 2023. WooCommerce Stripe Gateway allows e-commerce websites to directly accept

Asylum Ambuscade: A Cybercrime Group with Espionage Ambitions

The threat actor known as Asylum Ambuscade has been observed straddling cybercrime and cyber espionage operations since at least early 2020. "It is a crimeware group that targets bank customers and cryptocurrency traders in various regions, including North America and Europe," ESET said in an analysis published Thursday. "Asylum Ambuscade also does espionage against government entities in Europe

Brazilian Cybercriminals Using LOLBaS and CMD Scripts to Drain Bank Accounts

An unknown cybercrime threat actor has been observed targeting Spanish- and Portuguese-speaking victims to compromise online banking accounts in Mexico, Peru, and Portugal. "This threat actor employs tactics such as LOLBaS (living-off-the-land binaries and scripts), along with CMD-based scripts to carry out its malicious activities," the BlackBerry Research and Intelligence Team said in a report

Unmasking XE Group: Experts Reveal Identity of Suspected Cybercrime Kingpin

Cybersecurity researchers have unmasked the identity of one of the individuals who is believed to be associated with the e-crime actor known as XE Group. According to Menlo Security, which pieced together the information from different online sources, "Nguyen Huu Tai, who also goes by the names Joe Nguyen and Thanh Nguyen, has the strongest likelihood of being involved with the XE Group." XE

N. Korean ScarCruft Hackers Exploit LNK Files to Spread RokRAT

Cybersecurity researchers have offered a closer look at the RokRAT remote access trojan that's employed by the North Korean state-sponsored actor known as ScarCruft. "RokRAT is a sophisticated remote access trojan (RAT) that has been observed as a critical component within the attack chain, enabling the threat actors to gain unauthorized access, exfiltrate sensitive information, and potentially

Beware of Ghost Sites: Silent Threat Lurking in Your Salesforce Communities

Improperly deactivated and abandoned Salesforce Sites and Communities (aka Experience Cloud) could pose severe risks to organizations, leading to unauthorized access to sensitive data. Data security firm Varonis dubbed the abandoned, unprotected, and unmonitored resources “ghost sites.” “When these Communities are no longer needed, though, they are often set aside but not deactivated,” Varonis

6 Steps to Effectively Threat Hunting: Safeguard Critical Assets and Fight Cybercrime

Finding threat actors before they find you is key to beefing up your cyber defenses. How to do that efficiently and effectively is no small task – but with a small investment of time, you can master threat hunting and save your organization millions of dollars. Consider this staggering statistic. Cybersecurity Ventures estimates that cybercrime will take a $10.5 trillion toll on the global

Meet 'Jack' from Romania! Mastermind Behind Golden Chickens Malware

The identity of the second threat actor behind the Golden Chickens malware has been uncovered courtesy of a "fatal" operational security blunder, cybersecurity firm eSentire said. The individual in question, who lives in Bucharest, Romania, has been given the codename Jack. He is one of the two criminals operating an account on the Russian-language Exploit.in forum under the name "badbullzvenom

Notorious Cyber Gang FIN7 Returns With Cl0p Ransomware in New Wave of Attacks

The notorious cybercrime group known as FIN7 has been observed deploying Cl0p (aka Clop) ransomware, marking the threat actor's first ransomware campaign since late 2021. Microsoft, which detected the activity in April 2023, is tracking the financially motivated actor under its new taxonomy Sangria Tempest. "In these recent attacks, Sangria Tempest uses the PowerShell script POWERTRASH to load

This Cybercrime Syndicate Pre-Infected Over 8.9 Million Android Phones Worldwide

A cybercrime enterprise known as Lemon Group is leveraging millions of pre-infected Android smartphones worldwide to carry out their malicious operations, posing significant supply chain risks. "The infection turns these devices into mobile proxies, tools for stealing and selling SMS messages, social media and online messaging accounts and monetization via advertisements and click fraud,"

Bl00dy Ransomware Gang Strikes Education Sector with Critical PaperCut Vulnerability

U.S. cybersecurity and intelligence agencies have warned of attacks carried out by a threat actor known as the Bl00dy Ransomware Gang that attempt to exploit vulnerable PaperCut servers against the education facilities sector in the country. The attacks took place in early May 2023, the Federal Bureau of Investigation (FBI) and Cybersecurity and Infrastructure Security Agency (CISA) said in a

Microsoft Warns of State-Sponsored Attacks Exploiting Critical PaperCut Vulnerability

Iranian nation-state groups have now joined financially motivated actors in actively exploiting a critical flaw in PaperCut print management software, Microsoft disclosed over the weekend. The tech giant's threat intelligence team said it observed both Mango Sandstorm (Mercury) and Mint Sandstorm (Phosphorus) weaponizing CVE-2023-27350 in their operations to achieve initial access. "This

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 unauthenticated attacker to execute arbitrary code with SYSTEM privileges. While the flaw was patched by the

Operation SpecTor: $53.4 Million Seized, 288 Vendors Arrested in Dark Web Drug Bust

An international law enforcement operation has resulted in the arrest of 288 vendors who are believed to be involved in drug trafficking on the dark web, adding to a long list of criminal enterprises that have been shuttered in recent years. The effort, codenamed Operation SpecTor, also saw the authorities confiscating more than $53.4 million in cash and virtual currencies, 850 kg of drugs, and

New All-in-One "EvilExtractor" Stealer for Windows Systems Surfaces on the Dark Web

A new "all-in-one" stealer malware named EvilExtractor (also spelled Evil Extractor) is being marketed for sale for other threat actors to steal data and files from Windows systems. "It includes several modules that all work via an FTP service," Fortinet FortiGuard Labs researcher Cara Lin said. "It also contains environment checking and Anti-VM functions. Its primary purpose seems to be to

Hackers Flood NPM with Bogus Packages Causing a DoS Attack

Threat actors flooded the npm open source package repository for Node.js with bogus packages that briefly even resulted in a denial-of-service (DoS) attack. "The threat actors create malicious websites and publish empty packages with links to those malicious websites, taking advantage of open-source ecosystems' good reputation on search engines," Checkmarx's Jossef Harush Kadouri said in a

Are Source Code Leaks the New Threat Software vendors Should Care About?

Less than a month ago, Twitter indirectly acknowledged that some of its source code had been leaked on the code-sharing platform GitHub by sending a copyright infringement notice to take down the incriminated repository. The latter is now inaccessible, but according to the media, it was accessible to the public for several months. A user going by the name FreeSpeechEnthousiast committed

FBI Cracks Down on Genesis Market: 119 Arrested in Cybercrime Operation

A joint international law enforcement operation has dismantled Genesis Market, an illegal online marketplace that specialized in the sale of stolen credentials associated with email, bank accounts, and social media platforms. Coinciding with the infrastructure seizure, the major crackdown, which involved authorities from 17 countries, culminated in 119 arrests and 208 property searches in 13

Hackers Using Self-Extracting Archives Exploit for Stealthy Backdoor Attacks

An unknown threat actor used a malicious self-extracting archive (SFX) file in an attempt to establish persistent backdoor access to a victim's environment, new findings from CrowdStrike show. SFX files are capable of extracting the data contained within them without the need for dedicated software to display the file contents. It achieves this by including a decompressor stub, a piece of code

GitHub Swiftly Replaces Exposed RSA SSH Key to Protect Git Operations

Cloud-based repository hosting service GitHub said it took the step of replacing its RSA SSH host key used to secure Git operations "out of an abundance of caution" after it was briefly exposed in a public repository. The activity, which was carried out at 05:00 UTC on March 24, 2023, is said to have been undertaken as a measure to prevent any bad actor from impersonating the service or

Critical WooCommerce Payments Plugin Flaw Patched for 500,000+ WordPress Sites

Patches have been released for a critical security flaw impacting the WooCommerce Payments plugin for WordPress, which is installed on over 500,000 websites. The flaw, if left unresolved, could enable a bad actor to gain unauthorized admin access to impacted stores, the company said in an advisory on March 23, 2023. It impacts versions 4.8.0 through 5.6.1. Put differently, the issue could permit

Core Members of DoppelPaymer Ransomware Gang Targeted in Germany and Ukraine

Law enforcement authorities from Germany and Ukraine have targeted suspected core members of a cybercrime group that has been behind large-scale attacks using DoppelPaymer ransomware. The operation, which took place on February 28, 2023, was carried out with support from the Dutch National Police (Politie) and the U.S. Federal Bureau of Investigation (FBI), according to Europol. This encompassed

Hackers Exploit Containerized Environments to Steal Proprietary Data and Software

A sophisticated attack campaign dubbed SCARLETEEL is targeting containerized environments to perpetrate theft of proprietary data and software. "The attacker exploited a containerized workload and then leveraged it to perform privilege escalation into an AWS account in order to steal proprietary software and credentials," Sysdig said in a new report. The advanced cloud attack also entailed the

Attackers Flood NPM Repository with Over 15,000 Spam Packages Containing Phishing Links

In what's a continuing assault on the open source ecosystem, over 15,000 spam packages have flooded the npm repository in an attempt to distribute phishing links. "The packages were created using automated processes, with project descriptions and auto-generated names that closely resembled one another," Checkmarx researcher Yehuda Gelb said in a Tuesday report. "The attackers referred to retail

Reddit Suffers Security Breach Exposing Internal Documents and Source Code

Popular social news aggregation platform Reddit has disclosed that it was the victim of a security incident that enabled unidentified threat actors to gain unauthorized access to internal documents, code, and some unspecified business systems. The company blamed it on a "sophisticated and highly-targeted phishing attack" that took place on February 5, 2023, aimed at its employees. The attack

Threat Actors Turn to Sliver as Open Source Alternative to Popular C2 Frameworks

The legitimate command-and-control (C2) framework known as Sliver is gaining more traction from threat actors as it emerges as an open source alternative to Cobalt Strike and Metasploit. The findings come from Cybereason, which detailed its inner workings in an exhaustive analysis last week. Sliver, developed by cybersecurity company BishopFox, is a Golang-based cross-platform post-exploitation

Git Users Urged to Update Software to Prevent Remote Code Execution Attacks

The maintainers of the Git source code version control system have released updates to remediate two critical vulnerabilities that could be exploited by a malicious actor to achieve remote code execution. The flaws, tracked as CVE-2022-23521 and CVE-2022-41903, impacts the following versions of Git: v2.30.6, v2.31.5, v2.32.4, v2.33.5, v2.34.5, v2.35.5, v2.36.3, v2.37.4, v2.38.2, and v2.39.0. <!-

Malware Attack on CircleCI Engineer's Laptop Leads to Recent Security Incident

DevOps platform CircleCI on Friday disclosed that unidentified threat actors compromised an employee's laptop and leveraged malware to steal their two-factor authentication-backed credentials to breach the company's systems and data last month. The CI/CD service CircleCI said the "sophisticated attack" took place on December 16, 2022, and that the malware went undetected by its antivirus

Cacti Servers Under Attack as Majority Fail to Patch Critical Vulnerability

A majority of internet-exposed Cacti servers have not been patched against a recently patched critical security vulnerability that has come under active exploitation in the wild. That's according to attack surface management platform Censys, which found only 26 out of a total of 6,427 servers to be running a patched version of Cacti (1.2.23 and 1.3.0). The issue in question relates to CVE-2022-

Bluebottle Cybercrime Group Preys on Financial Sector in French-Speaking African Nations

A cybercrime group dubbed Bluebottle has been linked to a set of targeted attacks against the financial sector in Francophone countries located in Africa from at least July 2022 to September 2022. "The group makes extensive use of living-off-the-land, dual use tools, and commodity malware, with no custom malware deployed in this campaign," Symantec, a division of Broadcom Software, said in a

CircleCI Urges Customers to Rotate Secrets Following Security Incident

DevOps platform CircleCI on Wednesday urged its customers to rotate all their secrets following an unspecified security incident. The company said an investigation is currently ongoing, but emphasized that "there are no unauthorized actors active in our systems." Additional details are expected to be shared in the coming days. "Immediately rotate any and all secrets stored in CircleCI,"

Enforcement vs. Enrollment-based Security: How to Balance Security and Employee Trust

Challenges with an enforcement-based approach An enforcement-based approach to security begins with a security policy backed by security controls, often heavy-handed and designed to prevent employees from engaging in risky behavior or inadvertently expanding the potential attack surface of an organization.  Most organizations exclusively use enforcement-based security controls, usually carried

PyTorch Machine Learning Framework Compromised with Malicious Dependency

The maintainers of the PyTorch package have warned users who have installed the nightly builds of the library between December 25, 2022, and December 30, 2022, to uninstall and download the latest versions following a dependency confusion attack. "PyTorch-nightly Linux packages installed via pip during that time installed a dependency, torchtriton, which was compromised on the Python Package

GitHub Announces Free Secret Scanning for All Public Repositories

GitHub on Thursday said it is making available its secret scanning service to all public repositories on the code hosting platform for free. "Secret scanning alerts notify you directly about leaked secrets in your code," the company said, adding it's expected to complete the rollout by the end of January 2023.  Secret scanning is designed to examine repositories for access tokens, private keys,

New GoTrim Botnet Attempting to Break into WordPress Sites' Admin Accounts

A new Go-based botnet has been spotted scanning and brute-forcing self-hosted websites using the WordPress content management system (CMS) to seize control of targeted systems. "This new brute forcer is part of a new campaign we have named GoTrim because it was written in Go and uses ':::trim:::' to split data communicated to and from the C2 server," Fortinet FortiGuard Labs researchers Eduardo

Google Launches OSV-Scanner Tool to Identify Open Source Vulnerabilities

Google on Tuesday announced the open source availability of OSV-Scanner, a scanner that aims to offer easy access to vulnerability information about various projects. The Go-based tool, powered by the Open Source Vulnerabilities (OSV) database, is designed to connect "a project's list of dependencies with the vulnerabilities that affect them," Google software engineer Rex Pan in a post shared

Vice Society Ransomware Attackers Targeted Dozens of Schools in 2022

The Vice Society cybercrime group has disproportionately targeted educational institutions, accounting for 33 victims in 2022 and surpassing other ransomware families like LockBit, BlackCat, BianLian, and Hive. Other prominent industry verticals targeted include healthcare, governments, manufacturing, retail, and legal services, according to an analysis of leak site data by Palo Alto Networks

Open Source Ransomware Toolkit Cryptonite Turns Into Accidental Wiper Malware

A version of an open source ransomware toolkit called Cryptonite has been observed in the wild with wiper capabilities due to its "weak architecture and programming." Cryptonite, unlike other ransomware strains, is not available for sale on the cybercriminal underground, and was instead offered for free by an actor named CYBERDEVILZ until recently through a GitHub repository. The source code and

What the CISA Reporting Rule Means for Your IT Security Protocol

The new Cyber Incident Reporting for Critical Infrastructure Act of 2022 (CIRCIA) requires CISA to create rules regarding cyber incident reporting by critical infrastructure organizations. The RFI and hearings precede a Notice of Proposed Rulemaking (NPRM) that CISA must publish sooner than 24 months from the enactment of CIRCIA, which the President signed into law in March. The sessions and

Interpol Seized $130 Million from Cybercriminals in Global "HAECHI-III" Crackdown Operation

Interpol on Thursday announced the seizure of $130 million worth of virtual assets in connection with a global crackdown on cyber-enabled financial crimes and money laundering. The international police operation, dubbed HAECHI-III, transpired between June 28 and November 23, 2022, resulting in the arrests of 975 individuals and the closure of more than 1,600 cases. This comprised two fugitives

Top Cyber Threats Facing E-Commerce Sites This Holiday Season

Delivering a superior customer experience is essential for any e-commerce business. For those companies, there's a lot at stake this holiday season. According to Digital Commerce 360, nearly $1.00 of every $4.00 spent on retail purchases during the 2022 holiday season will be spent online, resulting in $224 billion in e-commerce sales. To ensure your e-commerce site is ready for the holiday rush

Researchers Warn of Cyber Criminals Using Go-based Aurora Stealer Malware

A nascent Go-based malware known as Aurora Stealer is being increasingly deployed as part of multiple campaigns designed to steal sensitive information from compromised hosts. "These infection chains leveraged phishing pages impersonating download pages of legitimate software, including cryptocurrency wallets or remote access tools, and the 911 method making use of YouTube videos and SEO-poised

Vice Society Hackers Are Behind Several Ransomware Attacks Against Education Sector

A cybercrime group known as Vice Society has been linked to multiple ransomware strains in its malicious campaigns aimed at the education, government, and retail sectors. The Microsoft Security Threat Intelligence team, which is tracking the threat cluster under the moniker DEV-0832, said the group avoids deploying ransomware in some cases and rather likely carries out extortion using

Intel Confirms Leak of Alder Lake BIOS Source Code

Chipmaker Intel has confirmed that proprietary source code related to its Alder Lake CPUs has been leaked, following its release by an unknown third-party on 4chan and GitHub last week. The published content contains Unified Extensible Firmware Interface (UEFI) code for Alder Lake, the company's 12th generation processors that was originally launched in November 2021. In a statement shared with

Researchers Report Supply Chain Vulnerability in Packagist PHP Repository

Researchers have disclosed details about a now-patched high-severity security flaw in Packagist, a PHP software package repository, that could have been exploited to mount software supply chain attacks. "This vulnerability allows gaining control of Packagist," SonarSource researcher Thomas Chauchefoin said in a report shared with The Hacker News. Packagist is used by the PHP package manager

Ransomware Attackers Abuse Genshin Impact Anti-Cheat System to Disable Antivirus

A vulnerable anti-cheat driver for the Genshin Impact video game has been leveraged by a cybercrime actor to disable antivirus programs to facilitate the deployment of ransomware, according to findings from Trend Micro. The ransomware infection, which was triggered in the last week of July 2022, banked on the fact that the driver in question ("mhyprot2.sys") is signed with a valid certificate,

Microsoft Uncovers Austrian Company Exploiting Windows and Adobe Zero-Day Exploits

A cyber mercenary that "ostensibly sells general security and information analysis services to commercial customers" used several Windows and Adobe zero-day exploits in limited and highly-targeted attacks against European and Central American entities. The company, which Microsoft describes as a private-sector offensive actor (PSOA), is an Austria-based outfit called DSIRF that's linked to the

Microsoft Adds Default Protection Against RDP Brute-Force Attacks in Windows 11

Microsoft is now taking steps to prevent Remote Desktop Protocol (RDP) brute-force attacks as part of the latest builds for the Windows 11 operating system in an attempt to raise the security baseline to meet the evolving threat landscape. To that end, the default policy for Windows 11 builds – particularly, Insider Preview builds 22528.1000 and newer – will automatically lock accounts for 10