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Secret Blizzard Deploys Kazuar Backdoor in Ukraine Using Amadey Malware-as-a-Service

Secret Blizzard Deploys Kazuar Backdoor in Ukraine Using Amadey Malware-as-a-Service

Dec 11, 2024Ravie LakshmananMalware / Cyber Espionage 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… 

Read More »Secret Blizzard Deploys Kazuar Backdoor in Ukraine Using Amadey Malware-as-a-Service
New Malware Technique Could Exploit Windows UI Framework to Evade EDR Tools

New Malware Technique Could Exploit Windows UI Framework to Evade EDR Tools

Dec 11, 2024Ravie LakshmananMalware / Endpoint Security 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… 

Read More »New Malware Technique Could Exploit Windows UI Framework to Evade EDR Tools
Microsoft MFA AuthQuake Flaw Enabled Unlimited Brute-Force Attempts Without Alerts

Microsoft MFA AuthQuake Flaw Enabled Unlimited Brute-Force Attempts Without Alerts

Dec 11, 2024Ravie LakshmananVulnerability / Authentication 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… 

Read More »Microsoft MFA AuthQuake Flaw Enabled Unlimited Brute-Force Attempts Without Alerts
ZLoader Malware Returns With DNS Tunneling to Stealthily Mask C2 Comms

ZLoader Malware Returns With DNS Tunneling to Stealthily Mask C2 Comms

Dec 11, 2024Ravie LakshmananRansomware / Malware 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… 

Read More »ZLoader Malware Returns With DNS Tunneling to Stealthily Mask C2 Comms
Researchers Uncover Espionage Tactics of China-Based APT Groups in Southeast Asia

Researchers Uncover Espionage Tactics of China-Based APT Groups in Southeast Asia

Dec 11, 2024Ravie LakshmananCyber Espionage / Cyber Attack 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… 

Read More »Researchers Uncover Espionage Tactics of China-Based APT Groups in Southeast Asia
U.S. Charges Chinese Hacker for Exploiting Zero-Day in 81,000 Sophos Firewalls

U.S. Charges Chinese Hacker for Exploiting Zero-Day in 81,000 Sophos Firewalls

Dec 11, 2024Ravie LakshmananVulnerability / Data Breach 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… 

Read More »U.S. Charges Chinese Hacker for Exploiting Zero-Day in 81,000 Sophos Firewalls
Ivanti Issues Critical Security Updates for CSA and Connect Secure Vulnerabilities

Ivanti Issues Critical Security Updates for CSA and Connect Secure Vulnerabilities

Dec 11, 2024Ravie LakshmananVulnerability / Network Security 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… 

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Cleo File Transfer Vulnerability Under Exploitation – Patch Pending, Mitigation Urged

Cleo File Transfer Vulnerability Under Exploitation – Patch Pending, Mitigation Urged

Dec 10, 2024Ravie LakshmananVulnerability / Threat Analysis 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… 

Read More »Cleo File Transfer Vulnerability Under Exploitation – Patch Pending, Mitigation Urged