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Open-Source Xeno RAT Trojan Emerges as a Potent Threat on GitHub

Open-Source Xeno RAT Trojan Emerges as a Potent Threat on GitHub
Feb 27, 2024 Malware / Network Security
An "intricately designed" remote access trojan (RAT) called  Xeno RAT  has been made available on GitHub, making it available to other actors at no extra cost. Written in C# and compatible with Windows 10 and Windows 11 operating systems, the open-source RAT comes with a "comprehensive set of features for remote system management," according to its developer, who goes by the name moom825. It includes a SOCKS5 reverse proxy and the ability to record real-time audio, as well as incorporate a hidden virtual network computing ( hVNC ) module along the lines of  DarkVNC , which allows attackers to gain remote access to an infected computer. "Xeno RAT is developed entirely from scratch, ensuring a unique and tailored approach to remote access tools," the developer  states  in the project description. Another notable aspect is that it has a builder that enables the creation of bespoke variants of the malware.  It's worth noting that the moom825 is also

Dormant PyPI Package Compromised to Spread Nova Sentinel Malware

 Dormant PyPI Package Compromised to Spread Nova Sentinel Malware
Feb 23, 2024 Supply Chain Attack / Malware
A dormant package available on the Python Package Index (PyPI) repository was updated nearly after two years to propagate an information stealer malware called Nova Sentinel. The package, named  django-log-tracker , was first published to PyPI in April 2022, according to software supply chain security firm Phylum, which  detected  an anomalous update to the library on February 21, 2024. While the  linked GitHub repository  hasn't been updated since April 10, 2022, the introduction of a malicious update suggests a likely compromise of the PyPI account belonging to the developer. Django-log-tracker has been  downloaded 3,866 times  to date, with the rogue version (1.0.4) downloaded 107 times on the date it was published. The package is no longer available for download from PyPI. "In the malicious update, the attacker stripped the package of most of its original content, leaving only an __init__.py and example.py file behind," the company said. The changes, simple and

How Nation-State Actors Target Your Business: New Research Exposes Major SaaS Vulnerabilities

How Nation-State Actors Target Your Business: New Research Exposes Major SaaS Vulnerabilities
Feb 15, 2024SaaS Security / Risk Management
With many of the highly publicized 2023 cyber attacks revolving around one or more SaaS applications, SaaS has become a cause for genuine concern in many boardroom discussions. More so than ever, considering that GenAI applications are, in fact, SaaS applications. Wing Security (Wing), a SaaS security company, conducted an analysis of 493 SaaS-using companies in Q4 of 2023.  Their study reveals  how companies use SaaS today, and the wide variety of threats that result from that usage. This unique analysis provides rare and important insights into the breadth and depth of SaaS-related risks, but also provides practical tips to mitigate them and ensure SaaS can be widely used without compromising security posture.  The TL;DR Version Of SaaS Security 2023 brought some now infamous examples of malicious players leveraging or directly targeting SaaS, including the North Korean group UNC4899, 0ktapus ransomware group, and Russian Midnight Blizzard APT, which targeted well-known organizat

Italian Businesses Hit by Weaponized USBs Spreading Cryptojacking Malware

Italian Businesses Hit by Weaponized USBs Spreading Cryptojacking Malware
Jan 31, 2024 Cryptocurrency / Cybersecurity
A financially motivated threat actor known as  UNC4990  is leveraging weaponized USB devices as an initial infection vector to target organizations in Italy. Google-owned Mandiant said the attacks single out multiple industries, including health, transportation, construction, and logistics. "UNC4990 operations generally involve widespread USB infection followed by the deployment of the EMPTYSPACE downloader," the company  said  in a Tuesday report. "During these operations, the cluster relies on third-party websites such as GitHub, Vimeo, and Ars Technica to host encoded additional stages, which it downloads and decodes via PowerShell early in the execution chain." UNC4990, active since late 2020, is assessed to be operating out of Italy based on the extensive use of Italian infrastructure for command-and-control (C2) purposes. It's currently not known if UNC4990 functions only as an initial access facilitator for other actors. The end goal of the threat

Are You Vulnerable to Third-Party Breaches Through Interconnected SaaS Apps?

cyber security
websiteWing SecuritySaaS Security / Risk Management
Protect against cascading risks by identifying and mitigating app2app and third-party SaaS vulnerabilities.

Malicious PyPI Packages Slip WhiteSnake InfoStealer Malware onto Windows Machines

Malicious PyPI Packages Slip WhiteSnake InfoStealer Malware onto Windows Machines
Jan 29, 2024 PyPI Repository / Malware
Cybersecurity researchers have identified malicious packages on the open-source Python Package Index (PyPI) repository that deliver an information stealing malware called WhiteSnake Stealer on Windows systems. The malware-laced packages are named nigpal, figflix, telerer, seGMM, fbdebug, sGMM, myGens, NewGends, and TestLibs111. They have been uploaded by a threat actor named "WS." "These packages incorporate Base64-encoded source code of PE or other Python scripts within their setup.py files," Fortinet FortiGuard Labs  said  in an analysis published last week. "Depending on the victim devices' operating system, the final malicious payload is dropped and executed when these Python packages are installed." While Windows systems are infected with WhiteSnake Stealer, compromised Linux hosts are served a Python script designed to harvest information. The activity, which predominantly targets Windows users, overlaps with a  prior campaign  that JFrog

Malicious NPM Packages Exfiltrate Hundreds of Developer SSH Keys via GitHub

Malicious NPM Packages Exfiltrate Hundreds of Developer SSH Keys via GitHub
Jan 23, 2024 Software Security / Supply Chain
Two malicious packages discovered on the npm package registry have been found to leverage GitHub to store Base64-encrypted SSH keys stolen from developer systems on which they were installed. The modules named  warbeast2000  and  kodiak2k  were published at the start of the month, attracting  412  and  1,281 downloads  before they were taken down by the npm maintainers. The most recent downloads occurred on January 21, 2024. Software supply chain security firm ReversingLabs, which made the discovery, said there were eight different versions of warbeast2000 and more than 30 versions of kodiak2k. Both the modules are designed to run a postinstall script after installation, each capable of retrieving and executing a different JavaScript file. While warbeast2000 attempts to access the private SSH key, kodiak2k is designed to look for a key named "meow," raising the possibility that the threat actor likely used a placeholder name during the early stages of the development.

MavenGate Attack Could Let Hackers Hijack Java and Android via Abandoned Libraries

MavenGate Attack Could Let Hackers Hijack Java and Android via Abandoned Libraries
Jan 22, 2024 Software Security / Supply Chain
Several public and popular libraries abandoned but still used in Java and Android applications have been found susceptible to a new software supply chain attack method called MavenGate. "Access to projects can be hijacked through domain name purchases and since most default build configurations are vulnerable, it would be difficult or even impossible to know whether an attack was being performed," Oversecured  said  in an analysis published last week. Successful exploitation of these shortcomings could allow nefarious actors to hijack artifacts in dependencies and inject malicious code into the application, and worse, even compromise the build process through a malicious plugin. The mobile security firm added that all Maven-based technologies, including Gradle, are vulnerable to the attack, and that it sent reports to more than 200 companies, including Google, Facebook, Signal, Amazon, and others. Apache Maven is  chiefly used  for building and managing Java-based projec

TensorFlow CI/CD Flaw Exposed Supply Chain to Poisoning Attacks

TensorFlow CI/CD Flaw Exposed Supply Chain to Poisoning Attacks
Jan 18, 2024 Supply Chain Attacks / AI Security
Continuous integration and continuous delivery (CI/CD) misconfigurations discovered in the open-source  TensorFlow  machine learning framework could have been exploited to orchestrate  supply chain attacks . The misconfigurations could be abused by an attacker to "conduct a supply chain compromise of TensorFlow releases on GitHub and PyPi by compromising TensorFlow's build agents via a malicious pull request," Praetorian researchers Adnan Khan and John Stawinski  said  in a report published this week. Successful exploitation of these issues could permit an external attacker to upload malicious releases to the GitHub repository, gain remote code execution on the self-hosted GitHub runner, and even retrieve a GitHub Personal Access Token (PAT) for the  tensorflow-jenkins user . TensorFlow uses GitHub Actions to automate the software build, test, and deployment pipeline. Runners, which refer to machines that execute jobs in a GitHub Actions workflow, can be either self-

GitHub Rotates Keys After High-Severity Vulnerability Exposes Credentials

GitHub Rotates Keys After High-Severity Vulnerability Exposes Credentials
Jan 17, 2024 Vulnerability / Software Security
GitHub has revealed that it has rotated some keys in response to a security vulnerability that could be potentially exploited to gain access to credentials within a production container. The Microsoft-owned subsidiary said it was made aware of the problem on December 26, 2023, and that it addressed the issue the same day, in addition to rotating all potentially exposed credentials out of an abundance of caution. The rotated keys include the GitHub commit signing key as well as GitHub Actions, GitHub Codespaces, and Dependabot customer encryption keys, necessitating users who rely on these keys to import the new ones. There is no evidence that the high-severity vulnerability, tracked as  CVE-2024-0200  (CVSS score: 7.2), has been previously found and exploited in the wild. "This vulnerability is also present on GitHub Enterprise Server (GHES)," GitHub's Jacob DePriest  said . "However, exploitation requires an authenticated user with an  organization owner role

Hackers Weaponize Windows Flaw to Deploy Crypto-Siphoning Phemedrone Stealer

Hackers Weaponize Windows Flaw to Deploy Crypto-Siphoning Phemedrone Stealer
Jan 16, 2024 Cryptocurrency / Windows Security
Threat actors have been observed leveraging a now-patched security flaw in Microsoft Windows to deploy an open-source information stealer called  Phemedrone Stealer . "Phemedrone targets web browsers and data from cryptocurrency wallets and messaging apps such as Telegram, Steam, and Discord," Trend Micro researchers Peter Girnus, Aliakbar Zahravi, and Simon Zuckerbraun  said . "It also takes screenshots and gathers system information regarding hardware, location, and operating system details. The stolen data is then sent to the attackers via Telegram or their command-and-control (C&C) server." The attacks leverage  CVE-2023-36025  (CVSS score: 8.8), a security bypass vulnerability in Windows SmartScreen, that could be exploited by tricking a user into clicking on a specially crafted Internet Shortcut (.URL) or a hyperlink pointing to an Internet Shortcut file. The actively-exploited shortcoming was  addressed  by Microsoft as part of its November 2023 Patch Tuesday updates.

Threat Actors Increasingly Abusing GitHub for Malicious Purposes

Threat Actors Increasingly Abusing GitHub for Malicious Purposes
Jan 11, 2024 Cybersecurity / Software Security
The ubiquity of GitHub in information technology (IT) environments has made it a lucrative choice for threat actors to host and deliver malicious payloads and act as  dead drop resolvers , command-and-control, and data exfiltration points. "Using GitHub services for malicious infrastructure allows adversaries to blend in with legitimate network traffic, often bypassing traditional security defenses and making upstream infrastructure tracking and actor attribution more difficult," Recorded Future  said  in a report shared with The Hacker News. The cybersecurity firm described the approach as "living-off-trusted-sites" (LOTS), a spin on the living-off-the-land (LotL) techniques often adopted by threat actors to conceal rogue activity and fly under the radar. Prominent among the methods by which GitHub is  abused   relates  to  payload   delivery , with some actors leveraging its features for command-and-control (C2) obfuscation. Last month, ReversingLabs  detailed  a number of rogue

Why Public Links Expose Your SaaS Attack Surface

Why Public Links Expose Your SaaS Attack Surface
Jan 09, 2024 SaaS Security / Data Security
Collaboration is a powerful selling point for SaaS applications. Microsoft, Github, Miro, and others promote the collaborative nature of their software applications that allows users to do more. Links to files, repositories, and boards can be shared with anyone, anywhere. This encourages teamwork that helps create stronger campaigns and projects by encouraging collaboration among employees dispersed across regions and departments.  At the same time, the openness of data SaaS platforms can be problematic. A  2023 survey  by the Cloud Security Alliance and Adaptive Shield found that 58% of security incidents over the last two years involved data leakage. Clearly, sharing is good, but data sharing must be put in check. Most SaaS applications have mechanisms to control sharing. These tools are quite effective in ensuring that company resources aren't open for display on the public web. This article will look at three common data leakage scenarios and recommend best practices for safe sh

Hackers Abusing GitHub to Evade Detection and Control Compromised Hosts

Hackers Abusing GitHub to Evade Detection and Control Compromised Hosts
Dec 19, 2023 Software Security / Threat intelligence
Threat actors are increasingly making use of GitHub for malicious purposes through novel methods, including abusing secret Gists and issuing malicious commands via git commit messages. "Malware authors occasionally place their samples in services like Dropbox, Google Drive, OneDrive, and Discord to host second stage malware and sidestep detection tools," ReversingLabs researcher Karlo Zanki  said  in a report shared with The Hacker News. "But lately, we have observed the increasing use of the GitHub open-source development platform for hosting malware." Legitimate public services are  known  to be  used  by  threat actors  for hosting malware and acting as  dead drop resolvers  to fetch the actual command-and-control (C2) address. While using public sources for C2 does not make them immune to takedowns, they do offer the benefit of allowing threat actors to easily create attack infrastructure that's both inexpensive and reliable. This technique is sneaky

Unveiling the Cyber Threats to Healthcare: Beyond the Myths

Unveiling the Cyber Threats to Healthcare: Beyond the Myths
Dec 12, 2023 Data Security / Healthcare,
Let's begin with a thought-provoking question: among a credit card number, a social security number, and an Electronic Health Record (EHR),  which commands the highest price on a dark web forum?   Surprisingly, it's the EHR, and the difference is stark: according to a  study , EHRs can sell for up to $1,000 each, compared to a mere $5 for a credit card number and $1 for a social security number. The reason is simple: while a credit card can be canceled, your personal data can't. This significant value disparity underscores why the healthcare industry remains a prime target for cybercriminals. The sector's rich repository of sensitive data presents a lucrative opportunity for profit-driven attackers. For 12 years running, healthcare has faced the highest average costs per breach compared to any other sector.  Exceeding an average of $10 million per breach , it surpasses even the financial sector, which incurs an average cost of around $6 million. The severity of this iss

15,000 Go Module Repositories on GitHub Vulnerable to Repojacking Attack

15,000 Go Module Repositories on GitHub Vulnerable to Repojacking Attack
Dec 05, 2023 Software Security / Supply Chain
New research has found that over 15,000 Go module repositories on GitHub are vulnerable to an attack called repojacking. "More than 9,000 repositories are vulnerable to repojacking due to GitHub username changes," Jacob Baines, chief technology officer at VulnCheck,  said  in a report shared with The Hacker News. "More than 6,000 repositories were vulnerable to repojacking due to account deletion." Collectively, these repositories account for no less than 800,000 Go module-versions. Repojacking , a portmanteau of "repository" and "hijacking," is an attack technique that allows a bad actor to take advantage of account username changes and deletions to create a repository with the same name and the pre-existing username to stage open-source software supply chain attacks. Earlier this June, cloud security firm Aqua  revealed  that millions of software repositories on GitHub are likely vulnerable to the threat, urging organizations that undergo

Tell Me Your Secrets Without Telling Me Your Secrets

Tell Me Your Secrets Without Telling Me Your Secrets
Nov 24, 2023 Developer Tools / API Security
The title of this article probably sounds like the caption to a meme. Instead, this is an actual problem GitGuardian's engineers had to solve in implementing the mechanisms for their new  HasMySecretLeaked service . They wanted to help developers find out if their secrets (passwords, API keys, private keys, cryptographic certificates, etc.) had found their way into public GitHub repositories. How could they comb a vast library of secrets found in publicly available GitHub repositories and their histories and compare them to your secrets without you having to expose sensitive information? This article will tell you how. First, if we were to set a bit's mass as equal to that of one electron, a ton of data would be around 121.9 quadrillion petabytes of data at standard Earth gravity or $39.2 billion billion billion US dollars in MacBook Pro storage upgrades (more than all the money in the world). So when this article claims GitGuardian scanned a "ton" of GitHub public commit data, t

Kubernetes Secrets of Fortune 500 Companies Exposed in Public Repositories

Kubernetes Secrets of Fortune 500 Companies Exposed in Public Repositories
Nov 24, 2023 Cloud security / Data Protection
Cybersecurity researchers are warning of publicly exposed Kubernetes configuration secrets that could put organizations at risk of supply chain attacks. "These encoded Kubernetes configuration secrets were uploaded to public repositories," Aqua security researchers Yakir Kadkoda and Assaf Morag  said  in a new research published earlier this week. Some of those impacted include two top blockchain companies and various other fortune-500 companies, according to the cloud security firm, which leveraged the GitHub API to fetch all entries containing .dockerconfigjson and .dockercfg types that  store credentials  for accessing a container image registry. Of the 438 records that potentially held valid credentials for registries, 203 records – about 46% – contained valid credentials that provided access to the respective registries. Ninety-three of the passwords were manually set by individuals, as opposed to the 345 that were computer-generated. "In the majority of cases, these creden

EleKtra-Leak Cryptojacking Attacks Exploit AWS IAM Credentials Exposed on GitHub

 EleKtra-Leak Cryptojacking Attacks Exploit AWS IAM Credentials Exposed on GitHub
Oct 30, 2023 Cloud Security / Cryptocurrency
A new ongoing campaign dubbed  EleKtra-Leak  has set its eyes on exposed Amazon Web Service (AWS) identity and access management (IAM) credentials within public GitHub repositories to facilitate cryptojacking activities. "As a result of this, the threat actor associated with the campaign was able to create multiple AWS Elastic Compute (EC2) instances that they used for wide-ranging and long-lasting cryptojacking operations," Palo Alto Networks Unit 42 researchers William Gamazo and Nathaniel Quist  said  in a technical report shared with The Hacker News. The operation, active since at least December 2020, is designed to mine Monero from as many as 474 unique Amazon EC2 instances between August 30 and October 6, 2023. A standout aspect of the attacks is the automated targeting of AWS IAM credentials within four minutes of their initial exposure on GitHub, indicating that threat actors are  programmatically cloning and scanning the repositories  to capture the exposed keys.
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