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HIGH
Threat Intel
Silver Fox APT: Tax-Themed Phishing Delivers ABCDoor to India, Russia
China-backed Silver Fox APT targets organizations in India and Russia with over 1,600 tax-themed phishing messages to deploy ABCDoor backdoor and ValleyRAT.
Runtime Rebel Intel
4 min read·May 4, 2026
HIGH
Threat Intel
Silver Fox Deploys ABCDoor Malware via Tax-Themed Phishing
China-linked threat actor Silver Fox targets Russian and Indian organizations using tax-themed lures to deliver the novel ABCDoor malware via phishing waves.
Runtime Rebel Intel
3 min read·May 4, 2026