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Hackers Target macOS Users with Malicious Ads Spreading Stealer Malware

Hackers Target macOS Users with Malicious Ads Spreading Stealer Malware

Mar 30, 2024 Malware / Cryptocurrency
Malicious ads and bogus websites are acting as a conduit to deliver two different stealer malware, including Atomic Stealer, targeting Apple macOS users. The ongoing infostealer attacks targeting macOS users may have adopted different methods to compromise victims' Macs, but operate with the end goal of stealing sensitive data, Jamf Threat Labs  said  in a report published Friday. One such attack chain targets users searching for Arc Browser on search engines like Google to serve bogus ads that redirect users to look-alike sites ("airci[.]net") that serve the malware. "Interestingly, the malicious website cannot be accessed directly, as it returns an error," security researchers Jaron Bradley, Ferdous Saljooki, and Maggie Zirnhelt said. "It can only be accessed through a generated sponsored link, presumably to evade detection." The disk image file downloaded from the counterfeit website ("ArcSetup.dmg") delivers  Atomic Stealer , which i
Watch Out for Spoofed Zoom, Skype, Google Meet Sites Delivering Malware

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

Mar 07, 2024 Malware / Network Security
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 systems," Zscaler ThreatLabz researchers  said . The spoofed sites are in Russian and are hosted on domains that closely resemble their legitimate counterparts, indicating that the attackers are using typosquatting tricks to lure prospective victims into downloading the malware. They also come with options to download the app for Android, iOS, and Windows platforms. While clicking on the button for Android downloads an APK file, clicking on the Windows app button triggers the download of a batch script. The malicious batch script is responsible for executing a PowerShell script, which, in turn, downloads and exec
Code Keepers: Mastering Non-Human Identity Management

Code Keepers: Mastering Non-Human Identity Management

Apr 12, 2024DevSecOps / Identity Management
Identities now transcend human boundaries. Within each line of code and every API call lies a non-human identity. These entities act as programmatic access keys, enabling authentication and facilitating interactions among systems and services, which are essential for every API call, database query, or storage account access. As we depend on multi-factor authentication and passwords to safeguard human identities, a pressing question arises: How do we guarantee the security and integrity of these non-human counterparts? How do we authenticate, authorize, and regulate access for entities devoid of life but crucial for the functioning of critical systems? Let's break it down. The challenge Imagine a cloud-native application as a bustling metropolis of tiny neighborhoods known as microservices, all neatly packed into containers. These microservices function akin to diligent worker bees, each diligently performing its designated task, be it processing data, verifying credentials, or
Microsoft Expands Free Logging Capabilities for all U.S. Federal Agencies

Microsoft Expands Free Logging Capabilities for all U.S. Federal Agencies

Feb 24, 2024 Active Directory / Data Protection
Microsoft has expanded free logging capabilities to all U.S. federal agencies using Microsoft Purview Audit irrespective of the license tier, more than six months after a China-linked cyber espionage campaign targeting two dozen organizations came to light. "Microsoft will automatically enable the logs in customer accounts and increase the default log retention period from 90 days to 180 days," the U.S. Cybersecurity and Infrastructure Security Agency (CISA)  said . "Also, this data will provide new telemetry to help more federal agencies meet logging requirements mandated by [Office of Management and Budget]  Memorandum M-21-31 ." Microsoft, in July 2023,  disclosed  that a China-based nation-state activity group known as Storm-0558 gained unauthorized access to approximately 25 entities in the U.S. and Europe as well as a small number of related individual consumer accounts. "Storm-0558 operates with a high degree of technical tradecraft and operational
cyber security

WATCH: The SaaS Security Challenge in 90 Seconds

websiteAdaptive ShieldSaaS Security / Cyber Threat
Discover how you can overcome the SaaS security challenge by securing your entire SaaS stack with SSPM.
U.S. Offers $15 Million Bounty to Hunt Down LockBit Ransomware Leaders

U.S. Offers $15 Million Bounty to Hunt Down LockBit Ransomware Leaders

Feb 22, 2024 Ransomware / Cybercrime
The U.S. State Department has announced monetary rewards of up to $15 million for information that could lead to the identification of key leaders within the LockBit ransomware group and the arrest of any individual participating in the operation. "Since January 2020, LockBit actors have executed over 2,000 attacks against victims in the United States, and around the world, causing costly disruptions to operations and the destruction or exfiltration of sensitive information," the State Department  said . "More than $144 million in ransom payments have been made to recover from LockBit ransomware events." The development comes as a sweeping law enforcement operation led by the U.K. National Crime Agency (NCA)  disrupted  LockBit, a Russia-linked ransomware gang that has been active for more than four years, wreaking havoc on business and critical infrastructure entities around the world. Ransomware-as-a-service (RaaS) operations like LockBit and others work by e
Malicious PyPI Packages Slip WhiteSnake InfoStealer Malware onto Windows Machines

Malicious PyPI Packages Slip WhiteSnake InfoStealer Malware onto Windows Machines

Jan 29, 2024 PyPI Repository / Malware
Cybersecurity researchers have identified malicious packages on the open-source Python Package Index (PyPI) repository that deliver an information stealing malware called WhiteSnake Stealer on Windows systems. The malware-laced packages are named nigpal, figflix, telerer, seGMM, fbdebug, sGMM, myGens, NewGends, and TestLibs111. They have been uploaded by a threat actor named "WS." "These packages incorporate Base64-encoded source code of PE or other Python scripts within their setup.py files," Fortinet FortiGuard Labs  said  in an analysis published last week. "Depending on the victim devices' operating system, the final malicious payload is dropped and executed when these Python packages are installed." While Windows systems are infected with WhiteSnake Stealer, compromised Linux hosts are served a Python script designed to harvest information. The activity, which predominantly targets Windows users, overlaps with a  prior campaign  that JFrog
Hackers Weaponize Windows Flaw to Deploy Crypto-Siphoning Phemedrone Stealer

Hackers Weaponize Windows Flaw to Deploy Crypto-Siphoning Phemedrone Stealer

Jan 16, 2024 Cryptocurrency / Windows Security
Threat actors have been observed leveraging a now-patched security flaw in Microsoft Windows to deploy an open-source information stealer called  Phemedrone Stealer . "Phemedrone targets web browsers and data from cryptocurrency wallets and messaging apps such as Telegram, Steam, and Discord," Trend Micro researchers Peter Girnus, Aliakbar Zahravi, and Simon Zuckerbraun  said . "It also takes screenshots and gathers system information regarding hardware, location, and operating system details. The stolen data is then sent to the attackers via Telegram or their command-and-control (C&C) server." The attacks leverage  CVE-2023-36025  (CVSS score: 8.8), a security bypass vulnerability in Windows SmartScreen, that could be exploited by tricking a user into clicking on a specially crafted Internet Shortcut (.URL) or a hyperlink pointing to an Internet Shortcut file. The actively-exploited shortcoming was  addressed  by Microsoft as part of its November 2023 Patch Tuesday updates.
Malware Using Google MultiLogin Exploit to Maintain Access Despite Password Reset

Malware Using Google MultiLogin Exploit to Maintain Access Despite Password Reset

Jan 03, 2024 Malware / Data Theft
Information stealing malware are actively taking advantage of an undocumented Google OAuth endpoint named MultiLogin to hijack user sessions and allow continuous access to Google services even after a password reset. According to CloudSEK, the  critical exploit  facilitates session persistence and cookie generation, enabling threat actors to maintain access to a valid session in an unauthorized manner. The technique was first revealed by a threat actor named PRISMA on October 20, 2023, on their Telegram channel. It has since been  incorporated  into  various malware-as-a-service (MaaS) stealer families , such as Lumma, Rhadamanthys, Stealc, Meduza, RisePro, and WhiteSnake. The MultiLogin authentication endpoint is primarily designed for synchronizing Google accounts across services when users sign in to their accounts in the Chrome web browser (i.e.,  profiles ).  A reverse engineering of the Lumma Stealer code has revealed that the technique targets the "Chrome's token_
Google Cloud Resolves Privilege Escalation Flaw Impacting Kubernetes Service

Google Cloud Resolves Privilege Escalation Flaw Impacting Kubernetes Service

Dec 28, 2023 Cloud Security / Data Protection
Google Cloud has addressed a medium-severity security flaw in its platform that could be abused by an attacker who already has access to a Kubernetes cluster to escalate their privileges. "An attacker who has compromised the  Fluent Bit  logging container could combine that access with high privileges required by  Anthos Service Mesh  (on clusters that have enabled it) to escalate privileges in the cluster," the company  said  as part of an advisory released on December 14, 2023. Palo Alto Networks Unit 42, which discovered and reported the shortcoming, said adversaries could weaponize it to carry out "data theft, deploy malicious pods, and disrupt the cluster's operations." There is no evidence that the issue has been exploited in the wild. It has been addressed in the following versions of Google Kubernetes Engine (GKE) and Anthos Service Mesh (ASM) - 1.25.16-gke.1020000 1.26.10-gke.1235000 1.27.7-gke.1293000 1.28.4-gke.1083000 1.17.8-asm.8 1.18.
New Sneaky Xamalicious Android Malware Hits Over 327,000 Devices

New Sneaky Xamalicious Android Malware Hits Over 327,000 Devices

Dec 27, 2023 Privacy / App Security
A new Android backdoor has been discovered with potent capabilities to carry out a range of malicious actions on infected devices. Dubbed  Xamalicious  by the McAfee Mobile Research Team, the malware is so named for the fact that it's developed using an open-source mobile app framework called Xamarin and abuses the operating system's accessibility permissions to fulfill its objectives. It's also capable of gathering metadata about the compromised device and contacting a command-and-control (C2) server to fetch a second-stage payload, but only after determining if it fits the bill. The second stage is "dynamically injected as an assembly DLL at runtime level to take full control of the device and potentially perform fraudulent actions such as clicking on ads, installing apps, among other actions financially motivated without user consent," security researcher Fernando Ruiz  said . The cybersecurity firm said it identified 25 apps that come with this active thr
SpyLoan Scandal: 18 Malicious Loan Apps Defraud Millions of Android Users

SpyLoan Scandal: 18 Malicious Loan Apps Defraud Millions of Android Users

Dec 11, 2023 Data Security / Mobile Security
Cybersecurity researchers have discovered 18  malicious loan apps  for Android on the Google Play Store that have been collectively downloaded over 12 million times. "Despite their attractive appearance, these services are in fact designed to defraud users by offering them high-interest-rate loans endorsed with deceitful descriptions, all while collecting their victims' personal and financial information to blackmail them, and in the end gain their funds," ESET  said . The Slovak cybersecurity company is tracking these apps under the name  SpyLoan , noting they are designed to target potential borrowers located in Southeast Asia, Africa, and Latin America. The list of apps, which have now been taken down by Google, is below - AA Kredit: इंस्टेंट लोन ऐप (com.aa.kredit.android) Amor Cash: Préstamos Sin Buró (com.amorcash.credito.prestamo) Oro Préstamo - Efectivo rápido (com.app.lo.go) Cashwow (com.cashwow.cow.eg) CrediBus Préstamos de crédito (com.dinero.profin.pr
New 'HrServ.dll' Web Shell Detected in APT Attack Targeting Afghan Government

New 'HrServ.dll' Web Shell Detected in APT Attack Targeting Afghan Government

Nov 25, 2023 Cyber Attack / Threat Intelligence
An unspecified government entity in Afghanistan was targeted by a previously undocumented web shell called  HrServ  in what's suspected to be an advanced persistent threat (APT) attack. The web shell, a dynamic-link library (DLL) named "hrserv.dll," exhibits "sophisticated features such as custom encoding methods for client communication and in-memory execution," Kaspersky security researcher Mert Degirmenci  said  in an analysis published this week. The Russian cybersecurity firm said it identified variants of the malware dating all the way back to early 2021 based on the compilation timestamps of these artifacts. Web shells are typically  malicious tools  that provide remote control over a compromised server. Once uploaded, it allows threat actors to carry out a range of post-exploitation activities, including data theft, server monitoring, and lateral advancement within the network. The attack chain involves the  PAExec  remote administration tool, an alternative to  PsExec  t
Turla Updates Kazuar Backdoor with Advanced Anti-Analysis to Evade Detection

Turla Updates Kazuar Backdoor with Advanced Anti-Analysis to Evade Detection

Nov 01, 2023 Cyber Threat / Malware
The Russia-linked hacking crew known as Turla has been observed using an updated version of a known second-stage backdoor referred to as Kazuar. The new findings come from Palo Alto Networks Unit 42, which is tracking the adversary under its constellation-themed moniker  Pensive Ursa . "As the code of the upgraded revision of Kazuar reveals, the authors put special emphasis on Kazuar's ability to operate in stealth, evade detection and thwart analysis efforts," security researchers Daniel Frank and Tom Fakterman  said  in a technical report. "They do so using a variety of advanced anti-analysis techniques and by protecting the malware code with effective encryption and obfuscation practices." Pensive Ursa, active since at least 2004, is attributed to the Russian Federal Security Service (FSB). Earlier this July, the Computer Emergency Response Team of Ukraine (CERT-UA)  implicated  the threat group to attacks targeting the defense sector in Ukraine and East
YoroTrooper: Researchers Warn of Kazakhstan's Stealthy Cyber Espionage Group

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

Oct 26, 2023 Endpoint Protection / Malware
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 origin of their operations, employing various tactics to make its malicious activity appear to emanate from Azerbaijan, such as using VPN exit nodes local to that region," security researchers Asheer Malhotra and Vitor Ventura  said . First documented by the cybersecurity company in March 2023, the adversary is  known to be active  since at least June 2022, singling out various state-owned entities in the Commonwealth of Independent States (CIS) countries. Slovak cybersecurity firm ESET is tracking the activity under the name  SturgeonPhisher . YoroTrooper's attack cycles
How CISOs Should Prepare for Coronavirus Related Cybersecurity Threats

How CISOs Should Prepare for Coronavirus Related Cybersecurity Threats

Mar 18, 2020
The Coronavirus is hitting hard on the world's economy, creating a high volume of uncertainty within organizations. Cybersecurity firm Cynet today revealed new data, showing that the Coronavirus now has a significant impact on information security and that the crisis is actively exploited by threat actors. In light of these insights, Cynet has also shared a few ways to best prepare for the Coronavirus derived threat landscape and provides a solution ( learn more here ) to protect employees that are working from home with their personal computers because of the Coronavirus. The researchers identify two main trends – attacks that aim to steal remote user credentials and weaponized email attacks: Remote User Credential Theft The direct impact of the Coronavirus is a comprehensive quarantine policy that compels multiple organizations to allow their workforce to work from home to maintain business continuity. This inevitably entails shifting a significant portion of the wor
Turns Out Kaspersky Labs Helped FBI Catch Alleged NSA Leaker

Turns Out Kaspersky Labs Helped FBI Catch Alleged NSA Leaker

Jan 10, 2019
Remember " The Shadow Brokers " and the arrest of a former NSA contractor accused of stealing 50 Terabytes of top secret documents from the intelligence agency? It turns out that, Kaspersky Lab, which has been banned in US government computers over spying fears, was the one who tipped off the U.S. government and helped the FBI catch NSA contractor Harold T. Martin III , unnamed sources familiar with the investigation told Politico. In October 2016, the U.S. government arrested and charged Martin, 51, with theft of highly classified documents, including most sensitive NSA hacking tools and top-secret information about "national defense," that he siphoned from government computers over the period of two decades. The breach is believed to be the largest heist of classified government material in America's history, far bigger than Edward Snowden leaks . According to the sources, the Antivirus firm learned about Martin after he sent unusual direct messag
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