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China's FamousSparrow flies back, breaches US org

Summary by The Register
: Crew also cooked up two fresh SparrowDoor backdoor variants, says ESET

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The RegisterThe Register
Center

China's FamousSparrow flies back, breaches US org

: Crew also cooked up two fresh SparrowDoor backdoor variants, says ESET

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BleepingComputerBleepingComputer
Center

Chinese FamousSparrow hackers deploy upgraded malware in attacks

A China-linked cyberespionage group known as 'FamousSparrow' was observed using a new modular version of its signature backdoor 'SparrowDoor' against a US-based trade organization.

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CSO OnlineCSO Online

Salt Typhoon may have upgraded backdoors for efficiency and evasion

The notorious China-backed APT group, Salt Typhoon, appears to have upgraded its arsenal with enhanced backdoors, even as the US cranks up the pressure on Chinese espionage. According to ESET Research, which tracks the threat group as FamousSparrow, the group has deployed two new versions of its SparrowDoor backdoor for modularity and parallel command execution. “Both of these versions of SparrowDoor constitute marked progress over earlier ones,…

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Tech RadarTech Radar

Notorious Chinese hackers FamousSparrow allegedly target US financial firms

FamousSparrow was though to have retired, but appears to be back with a venegeance

·United Kingdom
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GBHackers On SecurityGBHackers On Security

New FamousSparrow Malware Targets Hotels and Engineering Firms with Custom Backdoor

ESET researchers have uncovered new activity from the China-aligned APT group FamousSparrow, revealing two previously undocumented versions of their custom SparrowDoor backdoor. The group, thought to be inactive since 2022, compromised a US-based trade organization in the financial sector and a Mexican research institute in July 2024. The first variant closely resembles the CrowDoor malware […] The post New FamousSparrow Malware Targets Hotels a…

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The Record by Recorded FutureThe Record by Recorded Future

Chinese ‘FamousSparrow’ hackers back from the dead and targeting North America, researchers say

Thought to be dormant since 2022, the group is now believed to have been targeting organizations in the U.S., Mexico and Honduras.

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Help Net Security broke the news in on Wednesday, March 26, 2025.
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