Pierluigi Paganini
July 31, 2026
SilverFox targeted a Japanese manufacturer with new DLL sideloading techniques, kernel drivers, and resilient ValleyRAT persistence mechanisms. Cato CTRL documented a new SilverFox campaign targeting a Japanese industrial manufacturer. The attack chain adds two previously undocumented DLL-sideloading hosts, two kernel drivers not previously associated with SilverFox, and a dual-layer recovery architecture that keeps ValleyRAT running […]
Pierluigi Paganini
August 17, 2024
FortiGuard Labs researchers uncovered an ongoing ValleyRAT malware campaign that is targeting Chinese-speaking users. ValleyRAT is a multi-stage malware that supports multiple techniques to monitor and control compromised devices. The malicious code is also used to deploy arbitrary plugins on the infected systems. A noteworthy characteristic of ValleyRAT malware is the heavy usage of shellcode […]
