Browsing tag

malware

ShellBot Uses Hex IPs to Evade Detection in Attacks on Linux SSH Servers

The threat actors behind ShellBot are leveraging IP addresses transformed into their hexadecimal notation to infiltrate poorly managed Linux SSH servers and deploy the DDoS malware. “The overall flow remains the same, but the download URL used by the threat actor to install ShellBot has changed from a regular IP address to a hexadecimal value,” […]

Microsoft Defender Thwarts Large-Scale Akira Ransomware Attack

Microsoft on Wednesday said that a user containment feature in Microsoft Defender for Endpoint helped thwart a “large-scale remote encryption attempt” made by Akira ransomware actors targeting an unknown industrial organization in early June 2023. The tech giant’s threat intelligence team is tracking the operator as Storm-1567. The attack leveraged devices that were not onboarded […]

Researchers Uncover Malware Posing as WordPress Caching Plugin

Cybersecurity researchers have shed light on a new sophisticated strain of malware that masquerades as a WordPress plugin to stealthily create administrator accounts and remotely control a compromised site. “Complete with a professional looking opening comment implying it is a caching plugin, this rogue code contains numerous functions, adds filters to prevent itself from being […]

Researchers Uncover Grayling APT’s Ongoing Attack Campaign Across Industries

A previously undocumented threat actor of unknown provenance has been linked to a number of attacks targeting organizations in the manufacturing, IT, and biomedical sectors in Taiwan. The Symantec Threat Hunter Team, part of Broadcom, attributed the attacks to an advanced persistent threat (APT) it tracks under the name Grayling. Evidence shows that the campaign […]

PEACHPIT: Massive Ad Fraud Botnet Powered by Millions of Hacked Android and iOS

An ad fraud botnet dubbed PEACHPIT leveraged an army of hundreds of thousands of Android and iOS devices to generate illicit profits for the threat actors behind the scheme. The botnet is part of a larger China-based operation codenamed BADBOX, which also entails selling off-brand mobile and connected TV (CTV) devices on popular online retailers […]

Analysis and Config Extraction of Lu0Bot, a Node.js Malware with Considerable Capabilities

Nowadays, more malware developers are using unconventional programming languages to bypass advanced detection systems. The Node.js malware Lu0Bot is a testament to this trend. By targeting a platform-agnostic runtime environment common in modern web apps and employing multi-layer obfuscation, Lu0Bot is a serious threat to organizations and individuals. Although currently, the malware has low activity, […]

Guyana Governmental Entity Hit by DinodasRAT in Cyber Espionage Attack

A governmental entity in Guyana has been targeted as part of a cyber espionage campaign dubbed Operation Jacana. The activity, which was detected by ESET in February 2023, entailed a spear-phishing attack that led to the deployment of a hitherto undocumented implant written in C++ called DinodasRAT. The Slovak cybersecurity firm said it could link […]

Rogue npm Package Deploys Open-Source Rootkit in New Supply Chain Attack

A new deceptive package hidden within the npm package registry has been uncovered deploying an open-source rootkit called r77, marking the first time a rogue package has delivered rootkit functionality. The package in question is node-hide-console-windows, which mimics the legitimate npm package node-hide-console-window in what’s an instance of a typosquatting campaign. It was downloaded 704 […]

Over 3 Dozen Data-Stealing Malicious npm Packages Found Targeting Developers

Nearly three dozen counterfeit packages have been discovered in the npm package repository that are designed to exfiltrate sensitive data from developer systems, according to findings from Fortinet FortiGuard Labs. One set of packages – named @expue/webpack, @expue/core, @expue/vue3-renderer, @fixedwidthtable/fixedwidthtable, and @virtualsearchtable/virtualsearchtable – harbored an obfuscated JavaScript file that’s capable of gathering valuable secrets. This […]

BunnyLoader: New Malware-as-a-Service Threat Emerges in the Cybercrime Underground

Cybersecurity experts have discovered yet another malware-as-a-service (MaaS) threat called BunnyLoader that’s being advertised for sale on the cybercrime underground. “BunnyLoader provides various functionalities such as downloading and executing a second-stage payload, stealing browser credentials and system information, and much more,” Zscaler ThreatLabz researchers Niraj Shivtarkar and Satyam Singh said in an analysis published last […]

Zanubis Android Banking Trojan Poses as Peruvian Government App to Target Users

An emerging Android banking trojan called Zanubis is now masquerading as a Peruvian government app to trick unsuspecting users into installing the malware. “Zanubis’s main infection path is through impersonating legitimate Peruvian Android applications and then tricking the user into enabling the Accessibility permissions in order to take full control of the device,” Kaspersky said […]

FBI Warns of Rising Trend of Dual Ransomware Attacks Targeting U.S. Companies

The U.S. Federal Bureau of Investigation (FBI) is warning of a new trend of dual ransomware attacks targeting the same victims, at least since July 2023. “During these attacks, cyber threat actors deployed two different ransomware variants against victim companies from the following variants: AvosLocker, Diamond, Hive, Karakurt, LockBit, Quantum, and Royal,” the FBI said […]

Iranian APT Group OilRig Using New Menorah Malware for Covert Operations

Sophisticated cyber actors backed by Iran known as OilRig have been linked to a spear-phishing campaign that infects victims with a new strain of malware called Menorah. “The malware was designed for cyberespionage, capable of identifying the machine, reading and uploading files from the machine, and downloading another file or malware,” Trend Micro researchers Mohamed […]

Cybercriminals Using New ASMCrypt Malware Loader to Fly Under the Radar

Threat actors are selling a new crypter and loader called ASMCrypt, which has been described as an “evolved version” of another loader malware known as DoubleFinger. “The idea behind this type of malware is to load the final payload without the loading process or the payload itself being detected by AV/EDR, etc.,” Kaspersky said in […]

Lazarus Group Impersonates Recruiter from Meta to Target Spanish Aerospace Firm

The North Korea-linked Lazarus Group has been linked to a cyber espionage attack targeting an unnamed aerospace company in Spain in which employees of the firm were approached by the threat actor posing as a recruiter for Meta. “Employees of the targeted company were contacted by a fake recruiter via LinkedIn and tricked into opening […]

GitHub Repositories Hit by Password-Stealing Commits Disguised as Dependabot Contributions

A new deceptive campaign has been observed hijacking GitHub accounts and committing malicious code disguised as Dependabot contributions with an aim to steal passwords from developers. “The malicious code exfiltrates the GitHub project’s defined secrets to a malicious C2 server and modify any existing javascript files in the attacked project with a web-form password-stealer malware […]

China-Linked Budworm Targeting Middle Eastern Telco and Asian Government Agencies

Government and telecom entities have been subjected to a new wave of attacks by a China-linked threat actor tracked as Budworm using an updated malware toolset. The intrusions, targeting a Middle Eastern telecommunications organization and an Asian government, took place in August 2023, with the adversary deploying an improved version of its SysUpdate toolkit, the […]

New ZenRAT Malware Targeting Windows Users via Fake Password Manager Software

A new malware strain called ZenRAT has emerged in the wild that’s distributed via bogus installation packages of the Bitwarden password manager. “The malware is specifically targeting Windows users and will redirect people using other hosts to a benign web page,” enterprise security firm Proofpoint said in a technical report. “The malware is a modular […]

ShadowSyndicate: A New Cybercrime Group Linked to 7 Ransomware Families

Cybersecurity experts have shed light on a new cybercrime group known as ShadowSyndicate (formerly Infra Storm) that may have leveraged as many as seven different ransomware families over the past year. “ShadowSyndicate is a threat actor that works with various ransomware groups and affiliates of ransomware programs,” Group-IB and Bridewell said in a joint technical […]