Exchange servers under siege from at least 10 APT groups

ESET Research has found LuckyMouse, Tick, Winnti Group, and Calypso, among others, are likely using the recent Microsoft Exchange vulnerabilities to compromise email servers all around the world. ESET Research has discovered that more than ten different advanced persistent threat (APT) groups are exploiting the recent Microsoft Exchange vulnerabilities to compromise email servers. ESET has … More Exchange servers under siege from at least 10 APT groups

ESET Threat Report

A view of the Q1 2020 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts. The first quarter of 2020 was, without a doubt, defined by the outbreak of COVID-19 – now a pandemic that has put much of the world under lockdown, disrupting people’s lives … More ESET Threat Report

Advances in ESET ransomware protection

There are a multitude of cybersecurity issues that enterprises must negotiate in the current digital landscape, including ransomware. Ransomware is a form of malicious code that blocks or encrypts the contents of a device and demands a ransom to restore access to the data. The devices in question include mobile phones and PCs but also extend to … More Advances in ESET ransomware protection

Winnti Group’s skip‑2.0: A Microsoft SQL Server backdoor

Notorious cyberespionage group debases MSSQL. For a while, ESET researchers have been tracking the activities of the Winnti Group, active since at least 2012 and responsible for high-profile supply-chain attacks against the video game and software industry. Recently, we discovered a previously undocumented backdoor targeting Microsoft SQL (MSSQL) that allows attackers to maintain a very discreet … More Winnti Group’s skip‑2.0: A Microsoft SQL Server backdoor

Connecting the dots: Exposing the arsenal and methods of the Winnti Group

New ESET white paper released describing updates to the malware arsenal and campaigns of this group known for its supply-chain attacks. Today, ESET Research releases a white paper updating our understanding of the Winnti Group. Last March, ESET researchers warned about a new supply-chain attack targeting video game developers in Asia. Following that publication, we continued … More Connecting the dots: Exposing the arsenal and methods of the Winnti Group