Malicious code in fernets (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 95fc75ed8a4cfcccc988b2241772effbc15eb3700a6a96f3183981a1b4c7fba7 If imported, the module starts a multi-stage infostealer, exfiltrating browser data as well as crypto wallets, and also attempts to monitor clipboard looking f...

Transaction Fee Mechanism Design for Leaderless Blockchain Protocols

We initiate the study of transaction fee mechanism design for blockchain protocols in which multiple block producers contribute to the production of each block. Our contributions include: - We propose an extensive-form multi-stage game model to reason about the game theory of multi-proposer...

Hackers Use Fake VPN and Browser NSIS Installers to Deliver Winos 4.0 Malware

Cybersecurity researchers have disclosed a malware campaign that uses fake software installers masquerading as popular tools like LetsVPN and QQ Browser to deliver the Winos 4.0 framework. The campaign, first detected by Rapid7 in February 2025, involves the use of a multi-stage, memory-resident...

CVE-2024-50601

Persistent and reflected XSS vulnerabilities in the themeMode cookie and h URL parameter of Axigen Mail Server up to version 10.5.28 allow attackers to execute arbitrary Javascript. Exploitation could lead to session hijacking, data leakage, and further exploitation via a multi-stage attack. Fixe...

Multi-Stage Malware Attack Uses .JSE and PowerShell to Deploy Agent Tesla and XLoader

A new multi-stage attack has been observed delivering malware families like Agent Tesla variants, Remcos RAT, and XLoader. "Attackers increasingly rely on such complex delivery mechanisms to evade detection, bypass traditional sandboxes, and ensure successful payload delivery and execution," Palo...

Multi-Stage Retrieval for Operational Technology Cybersecurity Compliance Using Large Language Models: a Railway Casestudy

Operational Technology Cybersecurity OTCS continues to be a dominant challenge for critical infrastructure such as railways. As these systems become increasingly vulnerable to malicious attacks due to digitalization, effective documentation and compliance processes are essential to protect these...

Microsoft Dismantles Malvertising Scam Using GitHub, Discord, Dropbox

Microsoft Threat Intelligence exposes a malvertising campaign exploiting GitHub, Discord, and Dropbox. Discover the multi-stage attack chain, the…...

Malvertising campaign leads to info stealers hosted on GitHub

In early December 2024, Microsoft Threat Intelligence detected a large-scale malvertising campaign that impacted nearly one million devices globally in an opportunistic attack to steal information. The attack originated from illegal streaming websites embedded with malvertising redirectors, leadi...

New ValleyRAT Malware Variant Spreading via Fake Chrome Downloads

Morphisec uncovers a new ValleyRAT malware variant with advanced evasion tactics, multi-stage infection chains, and novel delivery methods…...

Privilege Escalation

github.com/containers/buildah is vulnerable to Privilege Escalation. The vulnerability is due to improper use of the --mount flag in multi-stage builds, which exposes content from the build host to the command run in the RUN instruction. When the build process is performed with root privileges, i...

FireScam Android Malware Poses as Telegram Premium to Steal Data and Control Devices

An Android information stealing malware named FireScam has been found masquerading as a premium version of the Telegram messaging app to steal data and maintain persistent remote control over compromised devices. "Disguised as a fake 'Telegram Premium' app, it is distributed through a...

Black Basta Ransomware Uses MS Teams, Email Bombing to Spread Malware

The Black Basta ransomware group is using advanced social engineering tactics and a multi-stage infection process to target organizations...

Latest Multi-Stage Attack Scenarios with Real-World Examples

Multi-stage cyber attacks, characterized by their complex execution chains, are designed to avoid detection and trick victims into a false sense of security. Knowing how they operate is the first step to building a solid defense strategy against them. Let's examine real-world examples of some of...

CVE-2024-50601

Axigen Mail Server (up to 10.5.28) is affected by persistent and reflected XSS via the themeMode cookie and the _h URL parameter. The described impact includes arbitrary JavaScript execution, session hijacking, and data leakage, with a multi-stage attack potential. Remediation is available in fix...

CVE-2024-50601

Persistent and reflected XSS vulnerabilities in the themeMode cookie and h URL parameter of Axigen Mail Server up to version 10.5.28 allow attackers to execute arbitrary Javascript. Exploitation could lead to session hijacking, data leakage, and further exploitation via a multi-stage attack. Fixe...

New Stealer Uses Invalid Cert To Compromise Systems

New Stealer Uses Invalid Cert To Compromise Systems By Mohinder Gill, Mallikarjun Wali and Sangram Mohapatro · November 07, 2024 A new Stealer has been making the rounds. Its name: Fickle. Fickle Stealer is a new Rust-based information stealer that spreads through various attack vectors, includin...

Winos 4.0 Malware Infects Gamers Through Malicious Game Optimization Apps

Cybersecurity researchers are warning that a command-and-control C&C framework called Winos is being distributed within gaming-related applications like installation tools, speed boosters, and optimization utilities. "Winos 4.0 is an advanced malicious framework that offers comprehensive...

SideWinder APT Strikes Middle East and Africa With Stealthy Multi-Stage Attack

An advanced persistent threat APT actor with suspected ties to India has sprung forth with a flurry of attacks against high-profile entities and strategic infrastructures in the Middle East and Africa. The activity has been attributed to a group tracked as SideWinder, which is also known as...

Microsoft Identifies Storm-0501 as Major Threat in Hybrid Cloud Ransomware Attacks

The threat actor known as Storm-0501 has targeted government, manufacturing, transportation, and law enforcement sectors in the U.S. to stage ransomware attacks. The multi-stage attack campaign is designed to compromise hybrid cloud environments and perform lateral movement from on-premises to...

Multi-Stage ValleyRAT Targets Chinese Users with Advanced Tactics

Chinese-speaking users are the target of an ongoing campaign that distributes a malware known as ValleyRAT. "ValleyRAT is a multi-stage malware that utilizes diverse techniques to monitor and control its victims and deploy arbitrary plugins to cause further damage," Fortinet FortiGuard Labs...