Who is calling? CDRThief targets Linux VoIP softswitches
ESET researchers have discovered and analyzed malware that targets Voice over IP (VoIP) softswitches
Malware
KryptoCibule: The multitasking multicurrency cryptostealer
ESET researchers analyze a previously undocumented trojan that is spread via malicious torrents and uses multiple tricks to squeeze cryptocoins from its victims while staying under the radar
Grandoreiro banking trojan impersonates Spain’s tax agency
Beware the tax bogeyman – there are tax scams aplenty
Mekotio: These aren’t the security updates you’re looking for…
Another in our occasional series demystifying Latin American banking trojans
Stadeo: Deobfuscating Stantinko and more
We introduce Stadeo – a set of scripts that can help fellow threat researchers and reverse engineers to deobfuscate the code of Stantinko and other malware
Mac cryptocurrency trading application rebranded, bundled with malware
ESET researchers lure GMERA malware operators to remotely control their Mac honeypots
Welcome Chat as a secure messaging app? Nothing could be further from the truth
ESET research uncovers a malicious operation that both spies on victims and leaks their data
More evil: A deep look at Evilnum and its toolset
ESET research gives a detailed picture of the operations of the Evilnum group and its toolkit deployed in attacks against carefully chosen targets in the fintech sector
Remote access at risk: Pandemic pulls more cyber‑crooks into the brute‑forcing game
Poorly secured remote access attracts mostly ransomware gangs, but can provide access to coin miners and backdoors too
New ransomware posing as COVID‑19 tracing app targets Canada; ESET offers decryptor
ESET researchers dissect an Android app that masquerades as an official COVID-19 contact-tracing app and encrypts files on the victim's device
Digging up InvisiMole’s hidden arsenal
ESET researchers reveal the modus operandi of the elusive InvisiMole group, including newly discovered ties with the Gamaredon group
Operation In(ter)ception: Aerospace and military companies in the crosshairs of cyberspies
ESET researchers uncover targeted attacks against high-profile aerospace and military companies
Gamaredon group grows its game
Active APT group adds cunning remote template injectors for Word and Excel documents; unique Outlook mass-mailing macro
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
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