FamousSparrow deploys new SparroWocky backdoor against Latin American governments
ESET researchers report that the China-linked hacking group FamousSparrow has spent over a year running espionage campaigns against government agencies across Argentina, Ecuador, Guatemala, Honduras, Panama, Peru, Puerto Rico, and Venezuela. The group's newly identified tool, a modular C++ backdoor called SparroWocky, replaces its older SparrowDoor malware and includes advanced anti-detection and remote-control capabilities.
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The targeting pattern suggests Beijing is closely monitoring how Latin American governments respond to U.S. economic pressure on Chinese interests, turning regional diplomacy into an intelligence-gathering target. SparroWocky's sophisticated evasion techniques—like spoofing call stacks and disguising itself as legitimate Windows processes—show state-linked actors continuing to invest heavily in stealth, making detection harder for government cybersecurity teams with limited resources.
- FamousSparrow's new SparroWocky backdoor has targeted governments in at least eight Latin American countries.
- The malware can execute commands, capture screenshots, manage files, and proxy network traffic while evading detection.
- The campaign appears aimed at tracking regional government reactions to U.S.-China economic tensions.
Source: bleepingcomputer.com, 2026-09-17
Published there as: “Chinese hackers use SparroWocky malware in govt espionage attacks”
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