19 Sep, 2024

Malware infiltrates Pidgin messenger’s official plugin repository

The Pidgin messaging app removed the ScreenShareOTR plugin from its official third-party plugin list after it was discovered that it was used to install keyloggers, information stealers, and malware commonly used to gain initial access to corporate networks. The plugin was promoted as a screen-sharing tool for secure Off-The-Record (OTR) protocol and was available for […]

4 mins read

Microsoft: Exchange Online mistakenly tags emails as malware

Microsoft is investigating an Exchange Online false positive issue causing emails containing images to be wrongly tagged as malicious and sent to quarantine. “Users’ email messages containing images may be incorrectly flagged as malware and quarantined,” Microsoft said in a service alert posted on the Microsoft 365 admin center two hours ago. “We’re reviewing service monitoring telemetry […]

2 mins read

New NGate Android malware uses NFC chip to steal credit card data

A new Android malware named NGate can steal money from payment cards by relaying to an attacker’s device the data read by the near-field communication (NFC) chip. Specifically, NGate enables attackers to emulate victims’ cards and make unauthorized payments or withdrawal cash from ATMs.. The campaign has been active since November 2023 and is linked to a recent report […]

5 mins read

Stealthy ‘sedexp’ Linux malware evaded detection for two years

A stealthy Linux malware named ‘sedexp’ has been evading detection since 2022 by using a persistence technique not yet included in the MITRE ATT&CK framework. The malware was discovered by risk management firm Stroz Friedberg, an Aon Insurance company, and enables its operators to create reverse shells for remote access and to further the the […]

3 mins read

Hackers use PHP exploit to backdoor Windows systems with new malware

Unknown attackers have deployed a newly discovered backdoor dubbed Msupedge on a university’s Windows systems in Taiwan, likely by exploiting a recently patched PHP remote code execution vulnerability (CVE-2024-4577). CVE-2024-4577 is a critical PHP-CGI argument injection flaw patched in June that impacts PHP installations running on Windows systems with PHP running in CGI mode. It allows unauthenticated attackers […]

2 mins read

Ransomware gang deploys new malware to kill security software

RansomHub ransomware operators are now deploying new malware to disable Endpoint Detection and Response (EDR) security software in Bring Your Own Vulnerable Driver (BYOVD) attacks. Named EDRKillShifter by Sophos security researchers who discovered it during a May 2024 ransomware investigation, the malware deploys a legitimate, vulnerable driver on targeted devices to escalate privileges, disable security […]

3 mins read

Malware force-installs Chrome extensions on 300,000 browsers, patches DLLs

An ongoing and widespread malware campaign force-installed malicious Google Chrome and Microsoft Edge browser extensions in over 300,000 browsers, modifying the browser’s executables to hijack homepages and steal browsing history. The installer and extensions, which are usually undetected by antivirus tools, are designed to steal data and execute commands on infected devices. The campaign was discovered by […]

6 mins read

New AMD SinkClose flaw helps install nearly undetectable malware

AMD is warning about a high-severity CPU vulnerability named SinkClose that impacts multiple generations of its EPYC, Ryzen, and Threadripper processors. The vulnerability allows attackers with Kernel-level (Ring 0) privileges to gain Ring -2 privileges and install malware that becomes nearly undetectable. Ring -2 is one of the highest privilege levels on a computer, running […]

3 mins read

New LianSpy malware hides by blocking Android security feature

A previously undocumented Android malware named ‘LightSpy’ has been discovered targeting Russian users, posing on phones as an Alipay app or a system service to evade detection. Analysis shows that LianSpy has been actively targeting Android users since July 2021, but its extensive stealth capabilities helped it remain undetected for over three years. Kaspersky researchers […]

4 mins read

Ransomware gang targets IT workers with new SharpRhino malware

The Hunters International ransomware group is targeting IT workers with a new C# remote access trojan (RAT) called SharpRhino to breach corporate networks. The malware helps Hunters International achieve initial infection, elevate their privileges on compromised systems, execute PowerShell commands, and eventually deploy the ransomware payload. Quorum Cyber researchers who discovered the new malware report that it […]

2 mins read