RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers

Multiple companies operating in the cryptocurrency sector are the target of an ongoing malware campaign that involves a newly discovered Apple macOS backdoor codenamed RustDoor. RustDoor was first documented by Bitdefender last week, describing it as a Rust-based malware capable of harvesting and uploading files, as well as gathering information about the infected machines. It's

Kimsuky Hackers Deploying AppleSeed, Meterpreter, and TinyNuke in Latest Attacks

Nation-state actors affiliated to North Korea have been observed using spear-phishing attacks to deliver an assortment of backdoors and tools such as AppleSeed, Meterpreter, and TinyNuke to seize control of compromised machines. South Korea-based cybersecurity company AhnLab attributed the activity to an advanced persistent threat group known as Kimsuky. “A notable point about attacks that

Decoy Microsoft Word Documents Used to Deliver Nim-Based Malware

A new phishing campaign is leveraging decoy Microsoft Word documents as bait to deliver a backdoor written in the Nim programming language. "Malware written in uncommon programming languages puts the security community at a disadvantage as researchers and reverse engineers' unfamiliarity can hamper their investigation," Netskope researchers Ghanashyam Satpathy and Jan Michael Alcantara&nbsp

N. Korea's Kimsuky Targeting South Korean Research Institutes with Backdoor Attacks

The North Korean threat actor known as Kimsuky has been observed targeting research institutes in South Korea as part of a spear-phishing campaign with the ultimate goal of distributing backdoors on compromised systems. "The threat actor ultimately uses a backdoor to steal information and execute commands," the AhnLab Security Emergency Response Center (ASEC) said in an

Microsoft Warns of COLDRIVER's Evolving Evasion and Credential-Stealing Tactics

The threat actor known as COLDRIVER has continued to engage in credential theft activities against entities that are of strategic interests to Russia while simultaneously improving its detection evasion capabilities. The Microsoft Threat Intelligence team is tracking under the cluster as Star Blizzard (formerly SEABORGIUM). It's also called Blue Callisto, BlueCharlie (or TAG-53),

Microsoft Warns of Kremlin-Backed APT28 Exploiting Critical Outlook Vulnerability

Microsoft on Monday said it detected Kremlin-backed nation-state activity exploiting a now-patched critical security flaw in its Outlook email service to gain unauthorized access to victims' accounts within Exchange servers. The tech giant attributed the intrusions to a threat actor it called Forest Blizzard (formerly Strontium), which is also widely tracked under the

CISA Adds Three Security Flaws with Active Exploitation to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added three security flaws to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation in the wild. The vulnerabilities are as follows - CVE-2023-36584 (CVSS score: 5.4) - Microsoft Windows Mark-of-the-Web (MotW) Security Feature Bypass Vulnerability CVE-2023-1671 (CVSS score: 9.8) -

Iran's MuddyWater Targets Israel in New Spear-Phishing Cyber Campaign

The Iranian nation-state actor known as MuddyWater has been linked to a new spear-phishing campaign targeting two Israeli entities to ultimately deploy a legitimate remote administration tool from N-able called Advanced Monitoring Agent. Cybersecurity firm Deep Instinct, which disclosed details of the attacks, said the campaign "exhibits updated TTPs to previously reported MuddyWater activity,"

YoroTrooper: Researchers Warn of Kazakhstan's Stealthy Cyber Espionage Group

A relatively new threat actor known as YoroTrooper is likely made up of operators originating from Kazakhstan. The assessment, which comes from Cisco Talos, is based on their fluency in Kazakh and Russian, use of Tenge to pay for operating infrastructure, and very limited targeting of Kazakhstani entities, barring the government's Anti-Corruption Agency. "YoroTrooper attempts to obfuscate the

RomCom RAT Using Deceptive Web of Rogue Software Sites for Covert Attacks

The threat actors behind RomCom RAT are leveraging a network of fake websites advertising rogue versions of popular software at least since July 2022 to infiltrate targets. Cybersecurity firm Trend Micro is tracking the activity cluster under the name Void Rabisu, which is also known as Tropical Scorpius (Unit 42) and UNC2596 (Mandiant). "These lure sites are most likely only meant for a small

North Korean UNC2970 Hackers Expands Operations with New Malware Families

A North Korean espionage group tracked as UNC2970 has been observed employing previously undocumented malware families as part of a spear-phishing campaign targeting U.S. and European media and technology organizations since June 2022. Google-owned Mandiant said the threat cluster shares "multiple overlaps" with a long-running operation dubbed "Dream Job" that employs job recruitment lures in

Iranian Hackers Target Women Involved in Human Rights and Middle East Politics

Iranian state-sponsored actors are continuing to engage in social engineering campaigns targeting researchers by impersonating a U.S. think tank. "Notably the targets in this instance were all women who are actively involved in political affairs and human rights in the Middle East region," Secureworks Counter Threat Unit (CTU) said in a report shared with The Hacker News. The cybersecurity

Researchers Uncover MirrorFace Cyber Attacks Targeting Japanese Political Entities

A Chinese-speaking advanced persistent threat (APT) actor codenamed MirrorFace has been attributed to a spear-phishing campaign targeting Japanese political establishments. The activity, dubbed Operation LiberalFace by ESET, specifically focused on members of an unnamed political party in the nation with the goal of delivering an implant called LODEINFO and a hitherto unseen credential stealer

Chinese 'Mustang Panda' Hackers Actively Targeting Governments Worldwide

A notorious advanced persistent threat actor known as Mustang Panda has been linked to a spate of spear-phishing attacks targeting government, education, and research sectors across the world. The primary targets of the intrusions from May to October 2022 included counties in the Asia Pacific region such as Myanmar, Australia, the Philippines, Japan, and Taiwan, cybersecurity firm Trend Micro 

Researchers Uncover Covert Attack Campaign Targeting Military Contractors

A new covert attack campaign singled out multiple military and weapons contractor companies with spear-phishing emails to trigger a multi-stage infection process designed to deploy an unknown payload on compromised machines. The highly-targeted intrusions, dubbed STEEP#MAVERICK by Securonix, also targeted a strategic supplier to the F-35 Lightning II fighter aircraft. "The attack was carried out

Russian Hackers Exploiting Microsoft Follina Vulnerability Against Ukraine

The Computer Emergency Response Team of Ukraine (CERT-UA) has cautioned of a new set of spear-phishing attacks exploiting the "Follina" flaw in the Windows operating system to deploy password-stealing malware. Attributing the intrusions to a Russian nation-state group tracked as APT28 (aka Fancy Bear or Sofacy), the agency said the attacks commence with a lure document titled "Nuclear Terrorism