Jun 01, 2023Ravie LakshmananEndpoint Security / Encryption The threat actors behind BlackCat ransomware have come up with an improved variant that prioritizes speed and stealth in an attempt to bypass security guardrails and achieve their goals. The new version, dubbed Sphynx and announced in February 2023, packs a "number of updated capabilities that strengthen the group's … [Read more...] about Improved BlackCat Ransomware Strikes with Lightning Speed and Stealthy Tactics
Stealthy
New Stealthy Bandit Stealer Targeting Web Browsers and Cryptocurrency Wallets
A new stealthy information stealer malware called Bandit Stealer has caught the attention of cybersecurity researchers for its ability to target numerous web browsers and cryptocurrency wallets. "It has the potential to expand to other platforms as Bandit Stealer was developed using the Go programming language, possibly allowing cross-platform compatibility," Trend Micro said … [Read more...] about New Stealthy Bandit Stealer Targeting Web Browsers and Cryptocurrency Wallets
China’s Stealthy Hackers Infiltrate U.S. and Guam Critical Infrastructure Undetected
May 25, 2023Ravie LakshmananCyber Threat / Espionage A stealthy China-based group managed to establish a persistent foothold into critical infrastructure organizations in the U.S. and Guam without being detected, Microsoft and the "Five Eyes" nations said on Wednesday. The tech giant's threat intelligence team is tracking the activity, which includes post-compromise … [Read more...] about China’s Stealthy Hackers Infiltrate U.S. and Guam Critical Infrastructure Undetected
A Stealthy, Financial Trojan and Info Stealer Delivered through Google Ads
May 02, 2023Ravie LakshmananMalvertising / Cyber Threat In yet another instance of how threat actors are abusing Google Ads to serve malware, a threat actor has been observed leveraging the technique to deliver a new Windows-based financial trojan and information stealer called LOBSHOT. "LOBSHOT continues to collect victims while staying under the radar," Elastic Security … [Read more...] about A Stealthy, Financial Trojan and Info Stealer Delivered through Google Ads
Vice Society Ransomware Using Stealthy PowerShell Tool for Data Exfiltration
Apr 17, 2023Ravie LakshmananRansomware / Cyber Attack Threat actors associated with the Vice Society ransomware gang have been observed using a bespoke PowerShell-based tool to fly under the radar and automate the process of exfiltrating data from compromised networks. "Threat actors (TAs) using built-in data exfiltration methods like [living off the land binaries and … [Read more...] about Vice Society Ransomware Using Stealthy PowerShell Tool for Data Exfiltration
Stealthy DBatLoader Malware Loader Spreading Remcos RAT and Formbook in Europe
Mar 28, 2023Ravie LakshmananMalware Attack / Hacking A new phishing campaign has set its sights on European entities to distribute Remcos RAT and Formbook via a malware loader dubbed DBatLoader. "The malware payload is distributed through WordPress websites that have authorized SSL certificates, which is a common tactic used by threat actors to evade detection engines," … [Read more...] about Stealthy DBatLoader Malware Loader Spreading Remcos RAT and Formbook in Europe
Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers
Mar 25, 2023Ravie LakshmananEnterprise Security / Microsoft Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability. Tracked as CVE-2023-23397 (CVSS score: 9.8), the critical flaw relates to a case of privilege escalation that could be exploited to steal NT Lan Manager (NTLM) … [Read more...] about Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers
Stealthy HeadCrab Malware Compromised Over 1,200 Redis Servers
Feb 02, 2023Ravie LakshmananDatabase Security / Cryptocurrency At least 1,200 Redis database servers worldwide have been corralled into a botnet using an "elusive and severe threat" dubbed HeadCrab since early September 2021. "This advanced threat actor utilizes a state-of-the-art, custom-made malware that is undetectable by agentless and traditional anti-virus solutions to … [Read more...] about Stealthy HeadCrab Malware Compromised Over 1,200 Redis Servers
A Stealthy Linux Malware Targeting Latin American Financial Sector
Cybersecurity researchers have taken the wraps off what they call a "nearly-impossible-to-detect" Linux malware that could be weaponized to backdoor infected systems. Dubbed Symbiote by threat intelligence firms BlackBerry and Intezer, the stealthy malware is so named for its ability to conceal itself within running processes and network traffic and drain a victim's resources … [Read more...] about A Stealthy Linux Malware Targeting Latin American Financial Sector
This New Stealthy JavaScript Loader Infecting Computers with Malware
Threat actors have been found using a previously undocumented JavaScript malware strain that functions as a loader to distribute an array of remote access Trojans (RATs) and information stealers. HP Threat Research dubbed the new, evasive loader "RATDispenser," with the malware responsible for deploying at least eight different malware families in 2021. Around 155 samples of … [Read more...] about This New Stealthy JavaScript Loader Infecting Computers with Malware