TA558 Uses AI-Generated Scripts to Deploy Venom RAT in Brazil Hotel Attacks

The threat actor known as TA558 has been attributed to a fresh set of attacks delivering various remote access trojans RATs like Venom RAT to breach hotels in Brazil and Spanish-speaking markets. Russian cybersecurity vendor Kaspersky is tracking the activity, observed in summer 2025, to a cluste...

TA558’s SteganoAmor Campaign Targets Organizations Worldwide

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TA558 Hackers Weaponize Images for Wide-Scale Malware Attacks

The threat actor tracked as TA558 has been observed leveraging steganography as an obfuscation technique to deliver a wide range of malware such as Agent Tesla, FormBook, Remcos RAT, LokiBot, GuLoader, Snake Keylogger, and XWorm, among others. "The group made extensive use of steganography by...

Massive Phishing Campaign Strikes Latin America: Venom RAT Targeting Multiple Sectors

The threat actor known as TA558 has been attributed to a new massive phishing campaign that targets a wide range of sectors in Latin America with the goal of deploying Venom RAT. The attacks primarily singled out hotel, travel, trading, financial, manufacturing, industrial, and government vertica...

New Mispadu Banking Trojan Exploiting Windows SmartScreen Flaw

The threat actors behind the Mispadu banking Trojan have become the latest to exploit a now-patched Windows SmartScreen security bypass flaw to compromise users in Mexico. The attacks entail a new variant of the malware that was first observed in 2019, Palo Alto Networks Unit 42 said in a report...

XWorm Malware Exploits Follina Vulnerability in New Wave of Attacks

Cybersecurity researchers have discovered an ongoing phishing campaign that makes use of a unique attack chain to deliver the XWorm malware on targeted systems. Securonix, which is tracking the activity cluster under the name MEME4CHAN, said some of the attacks have primarily targeted manufacturi...

Fake Reservation Links Prey on Weary Travelers

A longtime threat group identified as TA558 has ramped up efforts to target the travel and hospitality industries. After a lull in activity, believed tied to COVID-related travel restrictions, the threat group has ramped up campaigns to exploit an uptick in travel and related airline and hotel...

Cybercrime Group TA558 Targeting Hospitality, Hotel, and Travel Organizations

A financially motivated cybercrime group has been linked to an ongoing wave of attacks aimed at hospitality, hotel, and travel organizations in Latin America with the goal of installing malware on compromised systems. Enterprise security firm Proofpoint, which is tracking the group under the name...