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The threat actors behind a new ransomware group called Hunters International have acquired the source code and infrastructure from the now-dismantled Hive operation to kick-start its own efforts in the threat landscape. “It appears that the leadership of the Hive group made the strategic decision to cease their operations and transfer their remaining assets to […]
Cybersecurity researchers have warned about a Windows version of a wiper malware that was previously observed targeting Linux systems in cyber attacks aimed at Israel. Dubbed BiBi-Windows Wiper by BlackBerry, the wiper is the Windows counterpart of BiBi-Linux Wiper, which has been put to use by a pro-Hamas hacktivist group in the wake of the […]
The notorious Russian hackers known as Sandworm targeted an electrical substation in Ukraine last year, causing a brief power outage in October 2022. The findings come from Google’s Mandiant, which described the hack as a “multi-event cyber attack” leveraging a novel technique for impacting industrial control systems (ICS). “The actor first used OT-level living-off-the-land (LotL) […]
Cybersecurity researchers have discovered a stealthy backdoor named Effluence that’s deployed following the successful exploitation of a recently disclosed security flaw in Atlassian Confluence Data Center and Server. “The malware acts as a persistent backdoor and is not remediated by applying patches to Confluence,” Aon’s Stroz Friedberg Incident Response Services said in an analysis published […]
A group with links to Iran targeted transportation, logistics, and technology sectors in the Middle East, including Israel, in October 2023 amid a surge in Iranian cyber activity since the onset of the Israel-Hamas war. The attacks have been attributed by CrowdStrike to a threat actor it tracks under the name Imperial Kitten, and which […]
Urdu-speaking readers of a regional news website that caters to the Gilgit-Baltistan region have likely emerged as a target of a watering hole attack designed to deliver a previously undocumented Android spyware dubbed Kamran. The campaign, ESET has discovered, leverages Hunza News (urdu.hunzanews[.]net), which, when opened on a mobile device, prompts visitors of the Urdu […]
Iranian nation-state actors have been observed using a previously undocumented command-and-control (C2) framework called MuddyC2Go as part of attacks targeting Israel. “The framework’s web component is written in the Go programming language,” Deep Instinct security researcher Simon Kenin said in a technical report published Wednesday. The tool has been attributed to MuddyWater, an Iranian state-sponsored […]
ChatGPT: Productivity tool, great for writing poems, and… a security risk?! In this article, we show how threat actors can exploit ChatGPT, but also how defenders can use it for leveling up their game. ChatGPT is the most swiftly growing consumer application to date. The extremely popular generative AI chatbot has the ability to generate […]
Israeli higher education and tech sectors have been targeted as part of a series of destructive cyber attacks that commenced in January 2023 with an aim to deploy previously undocumented wiper malware. The intrusions, which took place as recently as October, have been attributed to an Iranian nation-state hacking crew it tracks under the name […]
Identity and authentication management provider Okta on Friday disclosed that the recent support case management system breach affected 134 of its 18,400 customers. It further noted that the unauthorized intruder gained access to its systems from September 28 to October 17, 2023, and ultimately accessed HAR files containing session tokens that could be used for […]
A threat actor affiliated with Iran’s Ministry of Intelligence and Security (MOIS) has been observed waging a sophisticated cyber espionage campaign targeting financial, government, military, and telecommunications sectors in the Middle East for at least a year. Israeli cybersecurity firm Check Point, which discovered the campaign alongside Sygnia, is tracking the actor under the name […]
F5 is warning of active abuse of a critical security flaw in BIG-IP less than a week after its public disclosure, resulting in the execution of arbitrary system commands as part of an exploit chain. Tracked as CVE-2023-46747 (CVSS score: 9.8), the vulnerability allows an unauthenticated attacker with network access to the BIG-IP system through […]
The threat actor known as Arid Viper (aka APT-C-23, Desert Falcon, or TAG-63) has been attributed as behind an Android spyware campaign targeting Arabic-speaking users with a counterfeit dating app designed to harvest data from infected handsets. “Arid Viper’s Android malware has a number of features that enable the operators to surreptitiously collect sensitive information […]
A new cyber attack campaign has been observed using spurious MSIX Windows app package files for popular software such as Google Chrome, Microsoft Edge, Brave, Grammarly, and Cisco Webex to distribute a novel malware loader dubbed GHOSTPULSE. “MSIX is a Windows app package format that developers can leverage to package, distribute, and install their applications […]
The Iranian threat actor known as Tortoiseshell has been attributed to a new wave of watering hole attacks that are designed to deploy a malware dubbed IMAPLoader. “IMAPLoader is a .NET malware that has the ability to fingerprint victim systems using native Windows utilities and acts as a downloader for further payloads,” the PwC Threat […]
Details have emerged about a malvertising campaign that leverages Google Ads to direct users searching for popular software to fictitious landing pages and distribute next-stage payloads. Malwarebytes, which discovered the activity, said it’s “unique in its way to fingerprint users and distribute time sensitive payloads.” The attack singles out users searching for Notepad++ and PDF […]
A new information stealer named ExelaStealer has become the latest entrant to an already crowded landscape filled with various off-the-shelf malware designed to capture sensitive data from compromised Windows systems. “ExelaStealer is a largely open-source infostealer with paid customizations available from the threat actor,” Fortinet FortiGuard Labs researcher James Slaughter said in a technical report. […]
The Computer Emergency Response Team of Ukraine (CERT-UA) has revealed that threat actors “interfered” with at least 11 telecommunication service providers in the country between May and September 2023. The agency is tracking the activity under the name UAC-0165, stating the intrusions led to service interruptions for customers. The starting point of the attacks is […]
The AvosLocker ransomware gang has been linked to attacks against critical infrastructure sectors in the U.S., with some of them detected as recently as May 2023. That’s according to a new joint cybersecurity advisory released by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) detailing the ransomware-as-a-service (RaaS) […]
High-profile government and telecom entities in Asia have been targeted as part of an ongoing campaign since 2021 that’s designed to deploy basic backdoors and loaders for delivering next-stage malware. Cybersecurity company Check Point is tracking the activity under the name Stayin’ Alive. Targets include organizations located in Vietnam, Uzbekistan, Pakistan, and Kazakhstan. “The simplistic […]
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 […]