From Agent.BTZ to ComRAT v4: A ten‑year journey
Turla has updated its ComRAT backdoor and now uses the Gmail web interface for Command and Control
Malware
Insidious Android malware gives up all malicious features but one to gain stealth
ESET researchers detect a new way of misusing Accessibility Service, the Achilles’ heel of Android security
No “Game over” for the Winnti Group
The notorious APT group continues to play the video game industry with yet another backdoor
Mikroceen: Spying backdoor leveraged in high‑profile networks in Central Asia
ESET researchers dissect a backdoor deployed in attacks against multiple government agencies and major organizations operating in two critical infrastructure sectors in Asia
Ramsay: A cyber‑espionage toolkit tailored for air‑gapped networks
ESET researchers uncover several instances of malware that uses various attack vectors to target systems isolated by an air gap
Breaking news? App promises news feeds, brings DDoS attacks instead
After being targeted by an Android DDoS app, ESET seized the opportunity to analyze the attack and to help put an end to it
Grandoreiro: How engorged can an EXE get?
Another in our occasional series demystifying Latin American banking trojans
Following ESET’s discovery, a Monero mining botnet is disrupted
ESET researchers discover, and play a key role in the disruption of, a 35,000-strong botnet spreading in Latin America via compromised USB drives
Stantinko’s new cryptominer features unique obfuscation techniques
ESET researchers bring to light unique obfuscation techniques discovered in the course of analyzing a new cryptomining module distributed by the Stantinko group’s botnet
Tracking Turla: New backdoor delivered via Armenian watering holes
Can an old APT learn new tricks? Turla’s TTPs are largely unchanged, but the group recently added a Python backdoor.
Guildma: The Devil drives electric
The fourth installment of our occasional series demystifying Latin American banking trojans
Up close and personal with Linux malware
What are the main security threats facing Linux? A Q&A with ESET Senior Malware Researcher Marc‑Etienne M.Léveillé, whose work has been instrumental in uncovering a number of malware strains hitting Linux servers.
Linux and malware: Should you worry?
Malicious code is nothing to worry about on Linux, right? Hold your penguins. How Linux malware has gone from the sidelines to the headlines.
Winnti Group targeting universities in Hong Kong
ESET researchers uncover a new campaign of the Winnti Group targeting universities and using ShadowPad and Winnti malware
Stantinko botnet adds cryptomining to its pool of criminal activities
ESET researchers have discovered that the criminals behind the Stantinko botnet are distributing a cryptomining module to the computers they control
Registers as “Default Print Monitor”, but is a malicious downloader. Meet DePriMon
ESET researchers have discovered a new downloader with a novel, not previously seen in the wild installation technique
Mispadu: Advertisement for a discounted Unhappy Meal
Another in our occasional series demystifying Latin American banking trojans
Deepfakes: When seeing isn’t believing
Is the world as we know it ready for the real impact of deepfakes?
Tracking down the developer of Android adware affecting millions of users
ESET researchers discovered a year-long adware campaign on Google Play and tracked down its operator. The apps involved, installed eight million times, use several tricks for stealth and persistence.
Winnti Group’s skip‑2.0: A Microsoft SQL Server backdoor
Notorious cyberespionage group debases MSSQL