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malware

BianLian Threat Actors Exploiting JetBrains TeamCity Flaws in Ransomware Attacks

The threat actors behind the BianLian ransomware have been observed exploiting security flaws in JetBrains TeamCity software to conduct their extortion-only attacks. According to a new report from GuidePoint Security, which responded to a recent intrusion, the incident “began with the exploitation of a TeamCity server which resulted in the deployment of a PowerShell implementation […]

Magnet Goblin Hacker Group Leveraging 1-Day Exploits to Deploy Nerbian RAT

A financially motivated threat actor called Magnet Goblin is swiftly adopting one-day security vulnerabilities into its arsenal in order to opportunistically breach edge devices and public-facing services and deploy malware on compromised hosts. “Threat actor group Magnet Goblin’s hallmark is its ability to swiftly leverage newly disclosed vulnerabilities, particularly targeting public-facing servers and edge devices,” […]

CISA Warns of Actively Exploited JetBrains TeamCity Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical security flaw impacting JetBrains TeamCity On-Premises software to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerability, tracked as CVE-2024-27198 (CVSS score: 9.8), refers to an authentication bypass bug that allows for a complete compromise of a […]

Hacked WordPress Sites Abusing Visitors’ Browsers for Distributed Brute-Force Attacks

Threat actors are conducting brute-force attacks against WordPress sites by leveraging malicious JavaScript injections, new findings from Sucuri reveal. The attacks, which take the form of distributed brute-force attacks, “target WordPress websites from the browsers of completely innocent and unsuspecting site visitors,” security researcher Denis Sinegubko said. The activity is part of a previously documented […]

Chinese State Hackers Target Tibetans with Supply Chain, Watering Hole Attacks

The China-linked threat actor known as Evasive Panda orchestrated both watering hole and supply chain attacks targeting Tibetan users at least since September 2023. The end goal of the attacks is to deliver malicious downloaders for Windows and macOS that deploy a known backdoor called MgBot and a previously undocumented Windows implant known as Nightdoor. […]

New Python-Based Snake Info Stealer Spreading Through Facebook Messages

Facebook messages are being used by threat actors to distribute a Python-based information stealer dubbed Snake that’s designed to capture credentials and other sensitive data. “The credentials harvested from unsuspecting users are transmitted to different platforms such as Discord, GitHub, and Telegram,” Cybereason researcher Kotaro Ogino said in a technical report. Details about the campaign […]

Watch Out for Spoofed Zoom, Skype, Google Meet Sites Delivering Malware

Threat actors have been leveraging fake websites advertising popular video conferencing software such as Google Meet, Skype, and Zoom to deliver a variety of malware targeting both Android and Windows users since December 2023. “The threat actor is distributing Remote Access Trojans (RATs) including SpyNote RAT for Android platforms, and NjRAT and DCRat for Windows […]

Hackers Exploit Misconfigured YARN, Docker, Confluence, Redis Servers for Crypto Mining

Threat actors are targeting misconfigured and vulnerable servers running Apache Hadoop YARN, Docker, Atlassian Confluence, and Redis services as part of an emerging malware campaign designed to deliver a cryptocurrency miner and spawn a reverse shell for persistent remote access. “The attackers leverage these tools to issue exploit code, taking advantage of common misconfigurations and […]

Exit Scam: BlackCat Ransomware Group Vanishes After $22 Million Payout

The threat actors behind the BlackCat ransomware have shut down their darknet website and likely pulled an exit scam after uploading a bogus law enforcement seizure banner. “ALPHV/BlackCat did not get seized. They are exit scamming their affiliates,” security researcher Fabian Wosar said. “It is blatantly obvious when you check the source code of the […]

U.S. Cracks Down on Predatory Spyware Firm for Targeting Officials and Journalists

The U.S. Department of Treasury’s Office of Foreign Assets Control (OFAC) sanctioned two individuals and five entities associated with the Intellexa Alliance for their role in “developing, operating, and distributing” commercial spyware designed to target government officials, journalists, and policy experts in the country. “The proliferation of commercial spyware poses distinct and growing security risks […]

Alert: GhostSec and Stormous Launch Joint Ransomware Attacks in Over 15 Countries

The cybercrime group called GhostSec has been linked to a Golang variant of a ransomware family called GhostLocker. “TheGhostSec and Stormous ransomware groups are jointly conducting double extortion ransomware attacks on various business verticals in multiple countries,” Cisco Talos researcher Chetan Raghuprasad said in a report shared with The Hacker News. “GhostLocker and Stormous ransomware […]

Hackers Exploit ConnectWise ScreenConnect Flaws to Deploy TODDLERSHARK Malware

North Korean threat actors have exploited the recently disclosed security flaws in ConnectWise ScreenConnect to deploy a new malware called TODDLERSHARK. According to a report shared by Kroll with The Hacker News, TODDLERSHARK overlaps with known Kimsuky malware such as BabyShark and ReconShark. “The threat actor gained access to the victim workstation by exploiting the […]

Warning: Thread Hijacking Attack Targets IT Networks, Stealing NTLM Hashes

The threat actor known as TA577 has been observed using ZIP archive attachments in phishing emails with an aim to steal NT LAN Manager (NTLM) hashes. The new attack chain “can be used for sensitive information gathering purposes and to enable follow-on activity,” enterprise security firm Proofpoint said in a Monday report. At least two […]

Phobos Ransomware Aggressively Targeting U.S. Critical Infrastructure

U.S. cybersecurity and intelligence agencies have warned of Phobos ransomware attacks targeting government and critical infrastructure entities, outlining the various tactics and techniques the threat actors have adopted to deploy the file-encrypting malware. “Structured as a ransomware-as-a-service (RaaS) model, Phobos ransomware actors have targeted entities including municipal and county governments, emergency services, education, public healthcare, […]

New BIFROSE Linux Malware Variant Using Deceptive VMware Domain for Evasion

Cybersecurity researchers have discovered a new Linux variant of a remote access trojan (RAT) called BIFROSE (aka Bifrost) that uses a deceptive domain mimicking VMware. “This latest version of Bifrost aims to bypass security measures and compromise targeted systems,” Palo Alto Networks Unit 42 researchers Anmol Maurya and Siddharth Sharma said. BIFROSE is one of […]

Five Eyes Agencies Warn of Active Exploitation of Ivanti Gateway Vulnerabilities

The Five Eyes (FVEY) intelligence alliance has issued a new cybersecurity advisory warning of cyber threat actors exploiting known security flaws in Ivanti Connect Secure and Ivanti Policy Secure gateways, noting that the Integrity Checker Tool (ICT) can be deceived to provide a false sense of security. “Ivanti ICT is not sufficient to detect compromise […]

GTPDOOR Linux Malware Targets Telecoms, Exploiting GPRS Roaming Networks

Threat hunters have discovered a new Linux malware called GTPDOOR that’s designed to be deployed in telecom networks that are adjacent to GPRS roaming exchanges (GRX) The malware is novel in the fact that it leverages the GPRS Tunnelling Protocol (GTP) for command-and-control (C2) communications. GPRS roaming allows subscribers to access their GPRS services while […]

Lazarus Hackers Exploited Windows Kernel Flaw as Zero-Day in Recent Attacks

The notorious Lazarus Group actors exploited a recently patched privilege escalation flaw in the Windows Kernel as a zero-day to obtain kernel-level access and disable security software on compromised hosts. The vulnerability in question is CVE-2024-21338 (CVSS score: 7.8), which can permit an attacker to gain SYSTEM privileges. It was resolved by Microsoft earlier this […]