Malware

Pierluigi Paganini January 24, 2025
J-magic malware campaign targets Juniper routers

Threat actors are targeting Juniper routers with a custom backdoor in a campaign called code-named “J-magic,” attackers are exploiting a Magic Packet flaw. Lumen Technologies researchers reported that the J-magic campaign targets Juniper routers with a custom backdoor using a passive agent based on the cd00r variant (an open-source backdoor by fx). It activates upon detecting […]

Pierluigi Paganini January 22, 2025
Two ransomware groups abuse Microsoft’s Office 365 platform to gain access to target organizations

Two ransomware groups exploiting Microsoft 365 services and default settings to target internal enterprise users. Sophos researchers started investigating two distinct clusters of activity, tracked as STAC5143 and STAC5777, in response to customer ransomware attacks in November and December 2024. Threat actors used their own Microsoft 365 tenants and exploited a default Teams setting allowing […]

Pierluigi Paganini January 21, 2025
New Mirai botnet variant Murdoc Botnet targets AVTECH IP cameras and Huawei HG532 routers

Researchers warn of a campaign exploiting AVTECH IP cameras and Huawei HG532 routers to create a Mirai botnet variant called Murdoc Botnet. Murdoc Botnet is a new Mirai botnet variant that targets vulnerabilities in AVTECH IP cameras and Huawei HG532 routers, the Qualys Threat Research Unit reported. The botnet has been active since at least […]

Pierluigi Paganini January 20, 2025
Esperts found new DoNot Team APT group’s Android malware

Researchers linked the threat actor DoNot Team to a new Android malware that was employed in highly targeted cyber attacks. CYFIRMA researchers linked a recently discovered Android malware to the Indian APT group known as DoNot Team. The Donot Team (aka APT-C-35 and Origami Elephant) has been active since 2016, it focuses on government and military organizations, […]

Pierluigi Paganini January 20, 2025
Malicious npm and PyPI target Solana Private keys to steal funds from victims’ wallets

Researchers found malicious npm and PyPI packages capable of stealing and deleting sensitive data from infected systems. Socket researchers have identified multiple packages in the npm and Python Package Index (PyPI) repository designed to target Solana private keys and drain funds from victims’ wallets. The malicious npm packages allowed the threat actors to exfiltrate Solana […]

Pierluigi Paganini January 19, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER – ROUND 29

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Stealthy Credit Card Skimmer Targets WordPress Checkout Pages via Database Injection Ransomware on ESXi: The mechanization of virtualized attacks FunkSec – Alleged Top Ransomware Group Powered by AI Abusing AWS Native Services: Ransomware Encrypting S3 Buckets […]

Pierluigi Paganini January 16, 2025
Clop Ransomware exploits Cleo File Transfer flaw: dozens of claims, disputed breaches

The Clop ransomware gang claims dozens of victims from a Cleo file transfer vulnerability, though several companies dispute the breaches. The Clop ransomware group added 59 new companies to its leak site, the gain claims to have breached them by exploiting a vulnerability ​​in Cleo file transfer products.  “We have data of many companies who […]

Pierluigi Paganini January 16, 2025
MikroTik botnet relies on DNS misconfiguration to spread malware

Researchers discovered a 13,000-device MikroTik botnet exploiting DNS flaws to spoof 20,000 domains and deliver malware. Infoblox researchers discovered a botnet of 13,000 MikroTik devices that exploits DNS misconfigurations to bypass email protections, spoof approximately 20,000 domains, and deliver malware. In late November, the experts spotted a malspam campaign impersonating DHL which used emails about […]

Pierluigi Paganini January 15, 2025
Codefinger ransomware gang uses compromised AWS keys to encrypt S3 bucket

The ransomware group Codefinger is using compromised AWS keys to encrypt S3 bucket data using SSE-C, Halcyon researchers warn. The ransomware group Codefinger has been spotted using compromised AWS keys to encrypt data in S3 buckets. The threat actor used AWS’s Server-Side Encryption with Customer Provided Keys (SSE-C) for encryption, then demanded the payment of […]

Pierluigi Paganini January 14, 2025
FBI deleted China-linked PlugX malware from over 4,200 US computers

The FBI has removed Chinese PlugX malware from over 4,200 computers in networks across the United States, the U.S. Department of Justice reported. The Justice Department and FBI, along with international partners, announced they deleted PlugX malware from thousands of infected computers worldwide as part of a multi-month law enforcement operation. The malware was operated […]