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An emerging threat cluster originating from North Korea has been linked to developing and using ransomware in cyberattacks targeting small businesses since September 2021. The group, which calls itself H0lyGh0st after the ransomware payload of the same name, is being tracked by the Microsoft Threat Intelligence Center under the moniker DEV-0530, a designation assigned for unknown, emerging, or a developing group of threat activity. Targeted entities primarily include small-to-midsize businesses such as manufacturing organizations, banks, schools, and event and meeting planning companies. "Along with their H0lyGh0st payload, DEV-0530 maintains an .onion site that the group uses to interact with their victims," the researchers  said  in a Thursday analysis. "The group's standard methodology is to encrypt all files on the target device and use the file extension .h0lyenc, send the victim a sample of the files as proof, and then demand payment in Bitcoin in exchange...

Over 30 security vulnerabilities have been disclosed in various artificial intelligence (AI)-powered Integrated Development Environments (IDEs) that combine prompt injection primitives with legitimate features to achieve data exfiltration and remote code execution. The security shortcomings have been collectively named IDEsaster by security researcher Ari Marzouk (MaccariTA). They affect popular IDEs and extensions such as Cursor, Windsurf, Kiro.dev, GitHub Copilot, Zed.dev, Roo Code, Junie, and Cline, among others. Of these, 24 have been assigned CVE identifiers. "I think the fact that multiple universal attack chains affected each and every AI IDE tested is the most surprising finding of this research," Marzouk told The Hacker News. "All AI IDEs (and coding assistants that integrate with them) effectively ignore the base software (IDE) in their threat model. They treat their features as inherently safe because they've been there for years. However, once you add A...

Security expert Ebrahim Hegazy , Cyber Security Analyst Consultant at Q-CERT, has found a serious vulnerability in Twitter that allows an attacker to upload files of any extension including PHP. When an application does not validate or improperly validates file types before uploading files to the system, called Unrestricted File upload vulnerability . Such flaws allow an attacker to upload and execute arbitrary code on the target system which could result in execution of arbitrary HTML and script code or system compromise. According to Ebrahim, when a developer creates a new application for Twitter  i.e. dev.twitter.com - they have an option to upload an image for that application. While uploading the image, the Twitter server will check for the uploaded files to accept certain image extensions only, like PNG, JPG and other extensions won't get uploaded. But in a Video Proof of Concept he demonstrated  that, a vulnerability allowed him to bypass this security va...

The advanced persistent threat (APT) actor known as Transparent Tribe has been observed targeting both Windows and BOSS (Bharat Operating System Solutions) Linux systems with malicious Desktop shortcut files in attacks targeting Indian Government entities. "Initial access is achieved through spear-phishing emails," CYFIRMA said . "Linux BOSS environments are targeted via weaponized .desktop shortcut files that, once opened, download and execute malicious payloads." Transparent Tribe, also called APT36, is assessed to be of Pakistani origin, with the group – along with its sub-cluster SideCopy – having a storied history of breaking into Indian government institutions with a variety of remote access trojans (RATs). The latest dual-platform demonstrates the adversarial collective's continued sophistication, allowing it to broaden its targeting footprint and ensure access to compromised environments. The attack chains begin with phishing emails bearing sup...

A high-severity vulnerability has been reported in Linux that could be exploited by a low privilege attacker to gain full root access on an affected system. The vulnerability, identified as CVE-2017-1000367, was discovered by researchers at Qualys Security in Sudo's "get_process_ttyname()" function for Linux that could allow a user with Sudo privileges to run commands as root or elevate privileges to root. Sudo, stands for "superuser do!," is a program for Linux and UNIX operating systems that lets standard users run specific commands as a superuser (aka root user), such as adding users or performing system updates. The flaw actually resides in the way Sudo parsed "tty" information from the process status file in the proc filesystem. On Linux machines, sudo parses the /proc/[pid]/stat file in order to determine the device number of the process's tty from field 7 (tty_nr), Qualys Security explains in its advisory . Although the fields in t...

A cybercrime group known as  Vice Society  has been linked to multiple ransomware strains in its malicious campaigns aimed at the education, government, and retail sectors. The Microsoft Security Threat Intelligence team, which is tracking the threat cluster under the moniker DEV-0832, said the group avoids deploying ransomware in some cases and rather likely carries out extortion using exfiltrated stolen data. "Shifting ransomware payloads over time from  BlackCat ,  Quantum Locker , and  Zeppelin , DEV-0832's latest payload is a Zeppelin variant that includes Vice Society-specific file extensions, such as .v-s0ciety, .v-society, and, most recently, .locked," the tech giant's cybersecurity division  said . Vice Society, active since June 2021, has been steadily observed encrypting and exfiltrating victim data, and threatening companies with exposure of siphoned information to pressure them into paying a ransom. "Unlike other RaaS (Ransomware-as-a-Ser...

Nmap 5.59 BETA1 - 40 new NSE scripts & improved IPv6 Official Change Log: o [NSE] Added 40 scripts, bringing the total to 217!  You can learn  more about any of them at https://nmap.org/nsedoc/. Here are the new  ones (authors listed in brackets):  + afp-ls: Lists files and their attributes from Apple Filing    Protocol (AFP) volumes. [Patrik Karlsson]  + backorifice-brute: Performs brute force password auditing against    the BackOrifice remote administration (trojan) service. [Gorjan    Petrovski]  + backorifice-info: Connects to a BackOrifice service and gathers    information about the host and the BackOrifice service    itself. [Gorjan Petrovski]  + broadcast-avahi-dos: Attempts to discover hosts in the local    network using the DNS Service Discovery protocol, then tests    whether each host is vulnerable to the Avahi NULL UDP packet    denial...

Cybersecurity researchers have exposed the operations of an Android malware vendor who teamed up with a second threat actor to market and sell a remote access Trojan (RAT) capable of device takeover and exfiltration of photos, locations, contacts, and messages from popular apps such as Facebook, Instagram, WhatsApp, Skype, Telegram, Kik, Line, and Google Messages. The vendor, who goes by the name of " Triangulum " in a number of darknet forums, is alleged to be a 25-year-old man of Indian origin, with the individual opening up shop to sell the malware three years ago on June 10, 2017, according to an analysis published by Check Point Research today. "The product was a mobile RAT, targeting Android devices and capable of exfiltration of sensitive data from a C&C server, destroying local data – even deleting the entire OS, at times," the researchers said. An Active Underground Market for Mobile Malware Piecing together Triangulum's trail of activities, t...

The Russian state-sponsored hacking group tracked as APT28 has been attributed to a new Microsoft Outlook backdoor called NotDoor in attacks targeting multiple companies from different sectors in NATO member countries. NotDoor "is a VBA macro for Outlook designed to monitor incoming emails for a specific trigger word," S2 Grupo's LAB52 threat intelligence team said . "When such an email is detected, it enables an attacker to exfiltrate data, upload files, and execute commands on the victim's computer." The artifact gets its name from the use of the word "Nothing" within the source code, the Spanish cybersecurity company added. The activity highlights the abuse of Outlook as a stealthy communication, data exfiltration, and malware delivery channel. The exact initial access vector used to deliver the malware is currently not known, but analysis shows that it's deployed via Microsoft's OneDrive executable ("onedrive.exe") using a t...

Microsoft's threat intelligence division on Wednesday assessed that a subgroup of the Iranian threat actor tracked as  Phosphorus  is conducting ransomware attacks as a "form of moonlighting" for personal gain. The tech giant, which is monitoring the activity cluster under the moniker  DEV-0270  (aka Nemesis Kitten), said it's operated by a company that functions under the public aliases Secnerd and Lifeweb, citing infrastructure overlaps between the group and the two organizations. "DEV-0270 leverages exploits for high-severity vulnerabilities to gain access to devices and is known for the early adoption of newly disclosed vulnerabilities," Microsoft  said . "DEV-0270 also extensively uses living-off-the-land binaries (LOLBINs) throughout the attack chain for discovery and credential access. This extends to its abuse of the built-in BitLocker tool to encrypt files on compromised devices." The use of BitLocker and DiskCryptor by Iranian actor...

The North Korean threat actors behind the Contagious Interview campaign have been observed using updated versions of a cross-platform malware called OtterCookie with capabilities to steal credentials from web browsers and other files. NTT Security Holdings, which detailed the new findings, said the attackers have "actively and continuously" updated the malware, introducing versions v3 and v4 in February and April 2025, respectively. The Japanese cybersecurity company is tracking the cluster under the name WaterPlum , which is also known as CL-STA-0240, DeceptiveDevelopment, DEV#POPPER, Famous Chollima, PurpleBravo, and Tenacious Pungsan. OtterCookie was first documented by NTT last year after having observed it in attacks since September 2024. Delivered by means of a JavaScript payload via a malicious npm package, trojanized GitHub or Bitbucket repository, or a bogus videoconferencing app, it's designed to contact an external server to execute commands on compromis...

The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including  IcedID ,  Bumblebee ,  TrueBot  (aka Silence), and  Clop ransomware . It is "part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread," the Microsoft Security Threat Intelligence Center (MSTIC)  said  in a detailed write-up. Raspberry Robin , also called QNAP Worm owing to the use of compromised QNAP storage servers for command-and-control, is the name given to a malware by cybersecurity company Red Canary that spreads to Windows systems through infected USB drives. MSTIC is keeping tabs on the activity group behind the USB-based Raspberry Robin infections as  DEV-0856 , adding it's aware of at least four confirmed entry points that all have the likely end goal of deploying ransomware. The tech giant's cybersecurity team said that...