
China-Aligned Hackers Hijack Sogou Keyboard App to Install DarkVigil Malware
ESET tracks China-aligned group SlippyNunchucks abusing Sogou Input Method updates via DNS hijacking to deploy DarkVigil since mid-2026.
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ESET tracks China-aligned group SlippyNunchucks abusing Sogou Input Method updates via DNS hijacking to deploy DarkVigil since mid-2026.

ESET researcher names SlippyNunchucks group and details DNS hijacking in Sogou app leading to DarkVigil malware delivery.

The SlippyNunchucks threat actor hijacked the Sogou Input Method branded vocabulary promotion mechanism to deploy DarkVigil implants targeting Chinese-speaking users in Asia and Europe.

Actively exploited one-click flaw in Sogou Input Method (CVE-2026-51990) let UNC3569 deploy the GRAYRABBIT espionage backdoor on Windows.

China-linked UNC3569 exploited CVE-2026-51990 in Sogou Input Method to deploy the GRAYRABBIT backdoor in active espionage intrusions.

China-linked UNC3569 exploited a Sogou Input Method flaw to deploy GRAYRABBIT backdoor on Windows machines across East and Southeast Asia.
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