North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.
North Korea-linked ScarCruft’s Ruby Jumper uses Zoho WorkDrive C2 and USB malware to breach air-gapped systems for surveillance.
IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...
A convincing lookalike of the popular Huorong Security antivirus has been used to deliver ValleyRAT, a sophisticated Remote Access Trojan (RAT) built on the Winos4.0 framework, to users who believed ...
ClickFix Campaign Abuses Compromised Sites to Deploy MIMICRAT Malware | Read more hacking news on The Hacker News cybersecurity news website and learn how to protect against cyberattacks and software ...
A fake CAPTCHA scam is tricking Windows users into running PowerShell commands that install StealC malware and steal passwords, crypto wallets, and more.
Cybersecurity investigators have identified a new cyberattack campaign connected to the Russia-linked hacking group APT28, ...
In a newly disclosed multi-stage threat campaign, attackers were seen skipping disk and leaning on in-memory tricks to deliver the XWorm remote access trojan (RAT). According to Forcepoint Labs’ ...
A newly identified Chinese advanced persistent threat (APT) group is targeting web infrastructure providers in Taiwan, with a focus on long-term access and data theft, according to Cisco Talos. The ...
Remcos RAT gets a stealthy upgrade as attackers ditch old office exploits for a fileless PowerShell loader that runs entirely in memory. Threat actors have been spotted using a PowerShell-based ...