Silver Fox Deploys ABCDoor Malware via Tax-Themed Phishing in India and Russia

Source: The Hacker News

Overview

The China‑based cybercrime group known as Silver Fox has been linked to a new campaign targeting organizations in Russia and India with a malware called ABCDoor.

The activity involved using phishing emails that mimic correspondence from the Income Tax Department of India in December 2025, followed by a similar campaign aimed at Russian entities.

“Both waves followed a nearly identical …”