New Stealthy Variant of Linux Backdoor BPFDoor Emerges from the Shadows

A previously undocumented and mostly undetected variant of a Linux backdoor called BPFDoor has been spotted in the wild, cybersecurity firm Deep Instinct said in a technical report published this week. “BPFDoor retains its reputation as an extremely stealthy and difficult-to-detect malware with this latest iteration,” security researchers Shaul Vilkomir-Preisman and Eliran Nissan said. BPFDoor […]

LOBSHOT: A Stealthy, Financial Trojan and Info Stealer Delivered through Google Ads

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 Labs researcher Daniel Stepanic said in an […]

Vice Society Ransomware Using Stealthy PowerShell Tool for Data Exfiltration

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 scripts] negate the need to bring in external […]

Stealthy DBatLoader Malware Loader Spreading Remcos RAT and Formbook in Europe

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,” Zscaler researchers Meghraj Nandanwar and Satyam […]

Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers

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) hashes and stage a relay attack without requiring any […]

New EX-22 Tool Empowers Hackers with Stealthy Ransomware Attacks on Enterprises

A new post-exploitation framework called EXFILTRATOR-22 (aka EX-22) has emerged in the wild with the goal of deploying ransomware within enterprise networks while flying under the radar. “It comes with a wide range of capabilities, making post-exploitation a cakewalk for anyone purchasing the tool,” CYFIRMA said in a new report. Some of the notable features […]

New Threat: Stealthy HeadCrab Malware Compromised Over 1,200 Redis Servers

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 compromise a large number of Redis servers,” Aqua security researcher Asaf […]

Chinese Hackers Using New Stealthy Infection Chain to Deploy LODEINFO Malware

The Chinese state-sponsored threat actor known as Stone Panda has been observed employing a new stealthy infection chain in its attacks aimed at Japanese entities. Targets include media, diplomatic, governmental and public sector organizations and think-tanks in Japan, according to twin reports published by Kaspersky. Stone Panda, also called APT10, Bronze Riverside, Cicada, and Potassium, […]

Researchers Uncover Stealthy Techniques Used by Cranefly Espionage Hackers

A recently discovered hacking group known for targeting employees dealing with corporate transactions has been linked to a new backdoor called Danfuan. This hitherto undocumented malware is delivered via another dropper called Geppei, researchers from Symantec, by Broadcom Software, said in a report shared with The Hacker News. The dropper “is being used to install […]

novoShield Emerges From Stealth With Mobile Phishing Protection App

With an enterprise-grade iPhone protection app, mobile phishing defense firm novoShield has come out of hiding. According to novoShield, the new solution was created to shield organizations and end users against the rising amount of phishing attempts. With its real-time protection solution, novoShield seeks to address the considerable rise in cybercrime, including phishing, brought by […]

THE NEW LINUX SHIKITEGA MALWARE IS VERY STEALTHY. SECURE YOUR LINUX SERVERS

A new stealthy Linux malware known as Shikitega that infects computers and IoT devices via a series of payloads. The malware makes use of privilege elevation, adds persistence on the host via crontab, and finally launches a crypto-miner on infected devices. Shikitega is quite stealthy, managing to evade antivirus detection by using a polymorphic encoder […]

New Stealthy Shikitega Malware Targeting Linux Systems and IoT Devices

A new piece of stealthy Linux malware called Shikitega has been uncovered adopting a multi-stage infection chain to compromise endpoints and IoT devices and deposit additional payloads. “An attacker can gain full control of the system, in addition to the cryptocurrency miner that will be executed and set to persist,” AT&T Alien Labs said in […]

Symbiote: 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 like […]

Chinese Hackers Target Taiwanese Financial Institutions with a new Stealthy Backdoor

A Chinese advanced persistent threat (APT) group has been targeting Taiwanese financial institutions as part of a “persistent campaign” that lasted for at least 18 months. The intrusions, whose primary intent was espionage, resulted in the deployment of a backdoor called xPack, granting the adversary extensive control over compromised machines, Broadcom-owned Symantec said in a […]

North Korean Hackers Return with Stealthier Variant of KONNI RAT Malware

A cyberespionage group with ties to North Korea has resurfaced with a stealthier variant of its remote access trojan called Konni to attack political institutions located in Russia and South Korea. “The authors are constantly making code improvements,” Malwarebytes researcher Roberto Santos said. “Their efforts are aimed at breaking the typical flow recorded by sandboxes […]

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 […]

Mekotio Banking Trojan Resurfaces with New Attacking and Stealth Techniques

The operators behind the Mekotio banking trojan have resurfaced with a shift in its infection flow so as to stay under the radar and evade security software, while staging nearly 100 attacks over the last three months. “One of the main characteristics […] is the modular attack which gives the attackers the ability to change […]

New Stealthier ZLoader Variant Spreading Via Fake TeamViewer Download Ads

Users searching for TeamViewer remote desktop software on search engines like Google are being redirected to malicious links that drop ZLoader malware onto their systems while simultaneously embracing a stealthier infection chain that allows it to linger on infected devices and evade detection by security solutions. “The malware is downloaded from a Google advertisement published […]

New Stealthy Rootkit Infiltrated Networks of High-Profile Organizations

An unknown threat actor with the capabilities to evolve and tailor its toolset to target environments infiltrated high-profile organizations in Asia and Africa with an evasive Windows rootkit since at least 2018. Called ‘Moriya,’ the malware is a “passive backdoor which allows attackers to inspect all incoming traffic to the infected machine, filter out packets […]