ESET Research

ESET Research catalogs the changes of UAC-0099’s MATCHBOIL downloader from 2024 to 2026

ESET researchers document SparroWocky, the new flagship backdoor of the FamousSparrow APT group

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities

A view of the H1 2026 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts.

ESET Research analyzes Gamaredon’s new toolset and the group’s growing reliance on legitimate online services to hide its C&C infrastructure and exfiltrate stolen data

ESET researchers assisted in the global disruption of the Amadey botnet and Stealc infostealer, providing technical analysis, infrastructure tracking, and affiliate-level insights

ESET Research shares the results of a months-long investigation into the suite of EDR killers maintained by the RaaS gang Gentlemen

ESET researchers have discovered SprySOCKS for Windows, FishMonger’s backdoor weaponizing a kernel driver for advanced stealthiness

A shift in operational pattern of the infamous Vietnam-aligned APT group