malware
Fake Palo Alto GlobalProtect used as lure to backdoor enterprises
Threat actors target Middle Eastern organizations with malware disguised as the legitimate Palo Alto GlobalProtect Tool that can steal data and execute remote PowerShell commands to infiltrate internal networks further. Palo Alto GlobalProtect is a legitimate security solution offered by Palo Alto Networks that provides secure VPN access with multi-factor authentication support. Organizations widely use the […]
New Voldemort malware abuses Google Sheets to store stolen data
A new malware campaign is spreading a previously undocumented backdoor named “Voldemort” to organizations worldwide, impersonating tax agencies from the U.S., Europe, and Asia. As per a Proofpoint report, the campaign started on August 5, 2024, and has disseminated over 20,000 emails to over 70 targeted organizations, reaching 6,000 in a single day at the […]
Malware exploits 5-year-old zero-day to infect end-of-life IP cameras
The Corona Mirai-based malware botnet is spreading through a 5-year-old remote code execution (RCE) zero-day in AVTECH IP cameras, which have been discontinued for years and will not receive a patch. The flaw, discovered by Akamai’s Aline Eliovich, is tracked as CVE-2024-7029 and is a high-severity (CVSS v4 score: 8.7) issue in the “brightness” function […]
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 […]
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 […]
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 […]
New Windows SmartScreen bypass exploited as zero-day since March
Today, Microsoft revealed that a Mark of the Web security bypass vulnerability exploited by attackers as a zero-day to bypass SmartScreen protection was patched during the June 2024 Patch Tuesday. SmartScreen is a security feature introduced with Windows 8 that protects users against potentially malicious software when opening downloaded files tagged with a Mark of […]
Hackers posing as Ukraine’s Security Service infect 100 govt PCs
Attackers impersonating the Security Service of Ukraine (SSU) have used malicious spam emails to target and compromise systems belonging to the country’s government agencies. On Monday, the Computer Emergency Response Team of Ukraine (CERT-UA) disclosed that the attackers successfully infected over 100 computers with AnonVNC malware. Some samples were signed using the code signing certificate […]
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 […]
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 […]