remote access Archives

AppWizard

September 23, 2026

RatHat Android Malware Uses AI to Target Banking Credentials in Real Time

A newly identified strain of Android malware, RatHat, utilizes generative AI to manipulate infected devices in real time. It is linked to threat actors believed to be operating out of China. RatHat serializes the device’s live Accessibility tree into XML format and communicates with a generative AI assistant to return screen coordinates, identify text, and issue navigation commands. The malware employs WebView-based HTML overlays to capture login credentials from banking and cryptocurrency applications and can infiltrate payment apps like WeChat and Alipay to extract PINs. It also features an SMS receiver and notification listener to intercept OTPs and 2FA codes. RatHat is disseminated through smishing, malvertising campaigns, and misleading third-party forums. It employs anti-analysis techniques such as container tampering, manifest bombing, DEX bytecode poisoning, string encryption, and anti-debugging. Once installed, it gains Accessibility access, activates Developer Options, and enables Wireless Debugging, allowing it to connect to the device's local ADB service and launch control agents with shell-level privileges. The malware captures raw touch coordinates to reconstruct PINs and unlock patterns, bypassing screenshot protections. It also includes persistence mechanisms that prevent uninstallation by presenting a fake Google Play failure overlay and automatically reinstalling itself if removed.

AppWizard

September 17, 2026

New Chinese-Made ‘RatHat’ Android Malware Leverages AI to Steal Financial Data

Security researchers at Zimperium have identified a new strain of Android malware called RatHat, which is linked to threat actors from China and is designed to steal sensitive credentials and banking information. RatHat infiltrates devices through phishing sites, malvertising, and SMS phishing (smishing), tricking users into downloading malicious Android package kits (APKs). The malware uses a dropper to activate its payload, which is hidden in encrypted assets, and employs techniques to bypass Android's security measures. RatHat consists of three main components: a malicious Android application, a Go agent (liblocal-service.so), and an FRP client (libmedia_codec.so). The app collects sensitive information such as banking credentials, notifications, 2FA codes, OTP keys, and screen inputs. It features a generative AI user interface-automation engine that communicates in Mandarin and can perform various tasks like determining screen coordinates and issuing navigation commands. The Go agent acts as a command-and-control executor, executing commands to bypass app-level security and manage system-level tasks. The FRP client maintains a secure reverse tunnel to the attacker's server, allowing ongoing remote access to the device. The architecture of RatHat demonstrates the inadequacy of traditional mobile security measures against such advanced threats.

Tech Optimizer

September 16, 2026

AI helps scammers build convincing antivirus renewal pages

Antivirus renewal scams often begin with messages claiming automatic subscription renewals, leading victims to counterfeit pages designed to collect personal information. These scams impersonate well-known brands and do not indicate that the sender has accessed the recipient's device. Responding to such messages can provide scammers with valuable data, including names and phone numbers, which can be sold or used for further scams. A specific scam site impersonating Avast targeted users in Belgium, falsely claiming a subscription renewal for €129.99. The site appeared polished and requested basic contact information without asking for sensitive data. It contained notes suggesting AI involvement in its creation, indicating it was a half-finished project. To identify antivirus renewal scams, individuals should verify any claimed charges directly with their bank, check subscriptions through official channels, be cautious of cancellation forms requesting phone numbers, treat follow-up calls as potential threats, and avoid installing remote access software. If engagement with a scam occurs, disconnect from the internet, remove any installed software, and change passwords. Tools like Malwarebytes Browser Guard can help block malicious sites, and Scam Guard can analyze suspicious communications.

Winsage

September 14, 2026

Microsoft patches Windows and Excel – breaks audio, remote access, and paste

Microsoft's recent security updates have caused disruptions in several areas: 1. Remote Desktop Services (RDS): Users on Windows 11 26H1 and Windows Server 2012 are experiencing connectivity issues, including failed connections, freezing servers, and unresponsive tools like Microsoft Management Console (MMC). A temporary solution involves restarting the virtual machine, and Microsoft is working on a fix. 2. USB Audio Devices: Problems have been reported with USB Audio Class 1.0 devices on Windows 11 26H1, 25H2, and 24H2, leading to audio issues. A workaround includes switching to two-channel mode, and Microsoft is addressing the situation. 3. Excel Functionality: A fix for vulnerabilities in Excel has disrupted the paste operation across versions 2016, 2019, 2021, and 2024, leaving users unable to paste content correctly. Some users have resolved the issue by uninstalling and reinstalling Office or using commands to remove the security update, though this also removes the associated security fixes.

Winsage

September 12, 2026

Microsoft admits Windows 11’s biggest September update is breaking multiple features, days after it warned users not to delay updates

Windows 11 KB5124008, released on September 8, has caused various issues, including disruptions to WSL-based applications and Remote Desktop sessions. Users have reported problems with File History backups and instability in Explorer.exe, leading to system and GPU crashes. Microsoft confirmed a bug affecting applications using HCS-managed Linux virtual machines, particularly Claude Cowork, which is experiencing connectivity issues. Remote Desktop Services (RDS) are malfunctioning, leading to connection failures and sign-in problems. Additionally, some users face black screens upon sign-in due to Explorer.exe crashes. Reports indicate that File History is not recognizing external backup drives, and serious GPU issues have been reported on AMD Radeon systems, including driver timeouts and system freezes.

AppWizard

September 11, 2026

NetScaler vulnerability exploited, AdaptHealth suffers breach, new Android malware

The Cybersecurity and Infrastructure Security Agency (CISA) warned of a critical vulnerability in NetScaler, identified as CVE-2026-19490, with a CVSS score of 9.3, which has been exploited and affects all NetScaler ADC and Gateway appliances. Citrix has patched this vulnerability as of August 19. AdaptHealth reported a data breach affecting over 4.1 million individuals, compromising personal, health, and insurance information, but not Social Security numbers or financial data. A new strain of Android malware, MantaxOtax, attributed to Indonesian threat actors, combines ransomware and spyware, stealing sensitive information and affecting older Android versions. The Gigabud banking trojan has evolved to evade detection by installing a secondary app that hides the malicious application. CISA acting director Nick Andersen emphasized the need for swift adaptation to cybersecurity threats and highlighted staffing improvements within CISA. Russian e-commerce giant Wildberries experienced disruptions from a DDoS attack affecting payments to sellers, following claims of a cyber operation by Ukraine's military intelligence. McKesson faced a cyberattack exposing sensitive data of 6.4 million individuals, with the ShinyHunters group releasing this data after a failed extortion attempt. IDScan confirmed a data breach affecting 150 million individuals, resulting in the theft of personally identifiable information and government-issued documents.

AppWizard

September 10, 2026

Google Play Early Access Abused to Push Thousands of Deceptive Android Apps

Bad actors are exploiting Google Play's Early Access program to distribute misleading applications that promise money, rewards, and casino winnings. This program allows developers to gather user feedback on unreleased apps but lacks public reviews or star ratings, enabling malicious actors to launch numerous fraudulent applications without immediate scrutiny. An example is the app "Vice Streets: Open World," which mimics Grand Theft Auto, has over 1 million downloads, and recently disappeared from the store without reviews or ratings. These deceptive apps are often promoted on social media with misleading advertisements and promise cash rewards, but users face obstacles when trying to withdraw their earnings. The primary goal of these apps is to generate revenue through excessive advertisements while circumventing regulatory requirements for legitimate gambling apps. Additionally, various malware families targeting Android devices have emerged, including Hagaseca, Mantax Otax, StreamRat, and GoldFactory's use of the Gigabud banking trojan, highlighting ongoing security threats in the digital landscape.

AppWizard

September 10, 2026

Gigabud Creates Android Work Profiles to Hide From Banking App Malware Checks

The Gigabud banking trojan installs a secondary Android application called Vwork, which creates a work profile on compromised devices to evade detection from banking app security measures. This work profile separates its contents from the personal space of the device, allowing fraudulent transactions without triggering alerts. Group-IB confirmed this operational chain in Indonesia, where Gigabud has been active since 2022 and is linked to the GoldFactory group, which uses deceptive tactics to distribute the trojan. Vwork simplifies the creation of a work profile and communicates with an external server for authorization before cloning apps. The report indicates that Vwork has been detected in various countries, while approximately 1,469 devices and 1,281 logins were compromised in Indonesia, leading to estimated losses of around ,000,000. Users can check for a work profile in their phone's settings and are advised to download apps only from official stores and to deny unnecessary Accessibility access.

AppWizard

September 9, 2026

Hackers Clone Banking Apps into Hidden Profiles, Android Malware Raises New Fraud Concerns

Cybercriminals are using advanced Android malware that mimics banking applications within hidden Work Profiles to bypass traditional fraud detection systems. This method is linked to Gigabud, a Remote Access Trojan active since at least 2022, and Vwork, an application cloning tool based on open-source software. Attackers distribute phishing links via social media and messaging, tricking victims into installing malicious files disguised as legitimate utilities. Once installed, the malware seeks Accessibility permissions and other capabilities to capture screen credentials and control the device. Vwork creates an isolated Work Profile to duplicate banking apps, allowing attackers to conduct fraudulent transactions without triggering security alerts in the personal space. Instances of counterfeit financial applications operating from these isolated environments have been documented, particularly in Indonesia. Between February and July 2026, monitoring revealed around 1,469 compromised devices and 1,281 compromised account credentials in Indonesia, resulting in estimated financial losses of 8.2 crore rupees. The operation is believed to be part of a larger international campaign linked to GoldFactory, with malware targeting users in multiple countries including Brazil, Colombia, Egypt, and others. Security experts warn that unusual Work Profile installations, duplicated banking apps, and unexpected requests for Accessibility permissions indicate a compromised device. Users are advised against sideloading APK files from private messages and should limit sensitive permissions to verified applications. Researchers emphasize the need for financial institutions to adopt behavioral analysis to detect unauthorized transactions effectively.

Winsage

September 9, 2026

Microsoft Patch Tuesday for September 2026 — Snort rules and prominent vulnerabilities

Microsoft's September 2026 security update revealed 973 vulnerabilities, with 113 classified as critical. Two actively exploited vulnerabilities are CVE-2026-81963 (Windows Update Stack, elevation of privilege, CVSS 7.8) and CVE-2026-85880 (Windows ALPC, elevation of privilege, CVSS 7.8). Among the 113 critical vulnerabilities, 82 are remote code execution (RCE) vulnerabilities. Notable vulnerabilities include: - CVE-2026-69676: RCE in Windows Kerberos, CVSS 8.8, authentication bypass. - CVE-2026-69852: RCE in Windows RRAS, CVSS 7.5, heap-based buffer overflow. - CVE-2026-72957: RCE in Windows Deployment Services, CVSS 7.8. - CVE-2026-69854: Elevation of privilege in Spring Cloud Azure, CVSS 9.0, improper authentication. - CVE-2026-83501: Information disclosure in Windows VBS, CVSS 5.5. - CVE-2026-69730: RCE in Windows DNS Server, CVSS 9.8. Less likely to be exploited vulnerabilities include: - CVE-2026-69845: RCE in Windows DHCP Server, CVSS 9.8, heap-based buffer overflow. - CVE-2026-65772: Vulnerability in Microsoft Dynamics 365 On-Premises, CVSS 8.8, deserialization of untrusted data. - CVE-2026-66302: RCE in Skype for Business, CVSS 9.8. Additional critical vulnerabilities include: - CVE-2026-62916: Elevation of privilege in Microsoft Entra ID, CVSS 9.1. - CVE-2026-83941: Elevation of privilege in Entra ID, CVSS 9.9. - CVE-2026-80098: Vulnerability in Copilot Studio, CVSS 9.3, improper verification of cryptographic signatures. Talos is releasing a new Snort ruleset to detect attempts to exploit these vulnerabilities, with specific SIDs for Snort 2 and Snort 3 rule coverage.