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Technology3h 5m ago
ESET researchers uncovered two previously undocumented Windows variants of SprySOCKS, a backdoor linked to the China-aligned cyberespionage group FishMonger.
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Honduras, Taiwan, Thailand, Pakistan
Who
ESET researchers, FishMonger cyberespionage group
What
ESET researchers uncovered two previously undocumented Windows variants of SprySOCKS, a backdoor linked to the China-aligned cyberespionage group FishMonger.
When
Tue, 16 Jun 2026 09:04:51 GMT · 3h 5m ago
Where
Honduras, Taiwan, Thailand, Pakistan ·
Why
The newly discovered malware variants significantly expand the group's capabilities by introducing Windows-native persistence mechanisms and, in one version, a kernel-level rootkit designed to conceal malicious activity from security tools.
The Frontline Impact
How this affects you
This discovery reveals an expansion of the FishMonger group's cyberespionage capabilities, now targeting Windows systems with sophisticated rootkit technology to evade detection. The attacks primarily targeting government organizations in multiple Asian and Central American countries indicates a notable geopolitical threat to national security and data integrity.
Story chain
4 events in this thread- Technology2h 43m agoSecurity researchers identified two undocumented Windows backdoors linked to Chinese espionage threat activity targeting government organizations in Asia and Central America.Open article
- Technology2h 43m agoSecurity researchers spotted two undocumented Windows backdoors linked to Chinese espionage threat activity targeting government organizations in Asia and Central America between 2023 and 2024.Open article
- Technology3h 5m agoESET researchers uncovered two previously undocumented Windows variants of SprySOCKS, a backdoor previously known only as a Linux threat.Open article
- Currently Reading3h 5m agoESET researchers uncovered two previously undocumented Windows variants of SprySOCKS, a backdoor linked to the China-aligned cyberespionage group FishMonger.