Silver Fox
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Silver Fox uses ABCDoor malware in phishing campaign targeting India and Russia
Silver Fox used tax-themed phishing emails to target organizations in Russia and India with the ABCDoor backdoor, with more than 1,600 malicious messages flagged in early 2026, according to a technical analysis by Kaspersky.
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Silver Fox uses fake Microsoft Teams installers in false-flag ValleyRAT campaign
Security researchers report that the Silver Fox group has run an SEO poisoning campaign since November 2025 that uses fake Microsoft Teams installers to deliver ValleyRAT to organisations in China; technical analysis from ReliaQuest and Nextron Systems details layered infection chains, false-flag indicators and the use of vulnerable drivers.
