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eset-apt-activity-report-q2-2025-q3-2025.pdf

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(eset):research

APT Activity

RUSSIA-ALIGNED APTs RAMP UP ATTACKS

AGAINST UKRAINE AND ITS STRATEGIC PARTNERS

April 2025 – September 2025

Report

ESET APT ACTIVITY REPORT APRIL 2025 - SEPTEMBER 2025 | 2

Contents

Executive summary 3

Attackers and targets 5

China 6

Notable China-aligned activity worldwide 7

FamousSparrow’s Latin American tour 9

APT groups using adversary-in-the-middle 9

Iran 11

MuddyWater internally spearphishes its way around

the world 12

GalaxyGato goes for a Greek gyro 13

North Korea 14

DeceptiveDevelopment: Faux IT workers of the

world, unite! 16

Supply-chain and watering-hole attacks targeting

South Korea 16

Relentless Lazarus 16

Other noteworthy activities 16

APT down – the North Korea files 17

Russia 18

RomCom uses WinRAR zero day 19

Gamaredon…

The opening of the report, shown for reference. The full report, with its figures and indicators, is published by ESET on web-assets.esetstatic.com.

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