Category: GBHackers Security | #1 Globally Trusted Cyber Security News Platform

Critical UniFi OS RCE Chain Grants Root Access Without Credentials

Security Advisory Bulletin 064 describing a critical chain of vulnerabilities in UniFi OS Server that allows unauthenticated remote code execution and full root takeover. The issue combines an authentication-gateway bypass, a path-traversal mismatch, and a command-injection sink in the package-update…

China-Linked Espionage Cluster Deploys Custom ASPX/ASHX Shells on IIS

A previously disclosed China-linked threat cluster, tracked as OP-512, has been observed deploying a purpose-built web shell framework to compromise Internet Information Services (IIS) servers. Identified by ReliaQuest, the espionage operation targeted a Windows Server 2016 environment running an end-of-life…

Malspam Campaign Abuses DoubleClick to Deploy Stealthy .NET Loader

A sophisticated new malspam campaign is actively exploiting Google’s DoubleClick ad-tracking infrastructure to bypass enterprise email security gateways. Discovered by researchers at Huntress, the attack utilizes highly personalized dynamic lures to initiate a complex, five-stage infection chain that actively dismantles…