Blog
Secret Blizzard Deploys Kazuar Backdoor in Ukraine Using Amadey Malware-as-a-Service
The Russian nation-state actor tracked as Secret Blizzard has been observed leveraging malware associated with other threat actors to deploy a known backdoor called Kazuar on target devices located in Ukraine. The new findings come from the Microsoft threat...
New Malware Technique Could Exploit Windows UI Framework to Evade EDR Tools
A newly devised technique leverages a Windows accessibility framework called UI Automation (UIA) to perform a wide range of malicious activities without tipping off endpoint detection and response (EDR) solutions. "To exploit this technique, a user must be convinced...
ZLoader Malware Returns With DNS Tunneling to Stealthily Mask C2 Comms
Cybersecurity researchers have discovered a new version of the ZLoader malware that employs a Domain Name System (DNS) tunnel for command-and-control (C2) communications, indicating that the threat actors are continuing to refine the tool after resurfacing a year ago....
Microsoft MFA AuthQuake Flaw Enabled Unlimited Brute-Force Attempts Without Alerts
Cybersecurity researchers have flagged a "critical" security vulnerability in Microsoft's multi-factor authentication (MFA) implementation that allows an attacker to trivially sidestep the protection and gain unauthorized access to a victim's account. "The bypass was...
Researchers Uncover Espionage Tactics of China-Based APT Groups in Southeast Asia
A suspected China-based threat actor has been linked to a series of cyber attacks targeting high-profile organizations in Southeast Asia since at least October 2023. The espionage campaign targeted organizations in various sectors spanning government ministries in two...
Chinese EagleMsgSpy Spyware Found Exploiting Mobile Devices Since 2017
Cybersecurity researchers have discovered a novel surveillance program that's suspected to be used by Chinese police departments as a lawful intercept tool to gather a wide range of information from mobile devices. The Android tool, codenamed EagleMsgSpy by Lookout,...
Microsoft Fixes 72 Flaws, Including Patch for Actively Exploited CLFS Vulnerability
Microsoft closed out its Patch Tuesday updates for 2024 with fixes for a total of 72 security flaws spanning its software portfolio, including one that it said has been exploited in the wild. Of the 72 flaws, 17 are rated Critical, 54 are rated Important, and one is...
U.S. Charges Chinese Hacker for Exploiting Zero-Day in 81,000 Sophos Firewalls
The U.S. government on Tuesday unsealed charges against a Chinese national for allegedly breaking into thousands of Sophos firewall devices globally in 2020. Guan Tianfeng (aka gbigmao and gxiaomao), who is said to have worked at Sichuan Silence Information Technology...
Ivanti Issues Critical Security Updates for CSA and Connect Secure Vulnerabilities
Ivanti has released security updates to address multiple critical flaws in its Cloud Services Application (CSA) and Connect Secure products that could lead to privilege escalation and code execution. The list of vulnerabilities is as follows - CVE-2024-11639 (CVSS...
Cleo File Transfer Vulnerability Under Exploitation – Patch Pending, Mitigation Urged
Users of Cleo-managed file transfer software are being urged to ensure that their instances are not exposed to the internet following reports of mass exploitation of a vulnerability affecting fully patched systems. Cybersecurity company Huntress said it discovered...
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