Tag: rat
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Threat Actors Market Stealthy New RAT as Alternative to ScreenConnect FUD
Cybersecurity researchers have identified a concerning development in the underground cybercrime marketplace: a sophisticated Remote Access Trojan (RAT) being marketed as a fully undetectable (FUD) alternative to the legitimate ScreenConnect remote access solution. This emerging threat represents a significant escalation in the professionalization of malware-as-a-service operations, with threat actors specifically targeting the trust associated with…
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Threat Actors Market Stealthy New RAT as Alternative to ScreenConnect FUD
Cybersecurity researchers have identified a concerning development in the underground cybercrime marketplace: a sophisticated Remote Access Trojan (RAT) being marketed as a fully undetectable (FUD) alternative to the legitimate ScreenConnect remote access solution. This emerging threat represents a significant escalation in the professionalization of malware-as-a-service operations, with threat actors specifically targeting the trust associated with…
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Weaponized ScreenConnect App Spreads AsyncRAT and PowerShell RAT
Remote Monitoring and Management tools such as ConnectWise ScreenConnect have earned a reputation for simplifying IT administration, but they have also drawn the attention of sophisticated attackers. By abusing ScreenConnect’s trusted installation footprint and deep system privileges, adversaries are now trojanizing installers to deploy dual Remote Access Trojans (RATs)”, AsyncRAT and a custom PowerShell RAT”,…
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SilentSync RAT Delivered via Two Malicious PyPI Packages Targeting Python Developers
Cybersecurity researchers have discovered two new malicious packages in the Python Package Index (PyPI) repository that are designed to deliver a remote access trojan called SilentSync on Windows systems.”SilentSync is capable of remote command execution, file exfiltration, and screen capturing,” Zscaler ThreatLabz’s Manisha Ramcharan Prajapati and Satyam Singh said. “SilentSync also extracts First seen on…
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Malicious Typosquatted PyPI Packages Spreading SilentSync RAT
On August 4, 2025, Zscaler ThreatLabz uncovered two malicious Python packages”, sisaws and secmeasure”, that deliver SilentSync, a Python-based remote access trojan (RAT), to unsuspecting developers. Both packages leverage typosquatting to impersonate legitimate libraries in the Python Package Index (PyPI), posing a serious supply-chain risk to projects that install them. SilentSync’s versatile capabilities include remote…
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Malicious Typosquatted PyPI Packages Spreading SilentSync RAT
On August 4, 2025, Zscaler ThreatLabz uncovered two malicious Python packages”, sisaws and secmeasure”, that deliver SilentSync, a Python-based remote access trojan (RAT), to unsuspecting developers. Both packages leverage typosquatting to impersonate legitimate libraries in the Python Package Index (PyPI), posing a serious supply-chain risk to projects that install them. SilentSync’s versatile capabilities include remote…
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Malicious PyPI Packages Deliver SilentSync RAT
IntroductionZscaler ThreatLabz regularly monitors for threats in the popular Python Package Index (PyPI), which contains open source libraries that are frequently used by many Python developers. In July 2025, a malicious Python package named termncolor was identified by ThreatLabz. Just a few weeks later, on August 4, 2025, ThreatLabz uncovered two more malicious Python packages…
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TA558 Uses AI-Generated Scripts to Deploy Venom RAT in Brazil Hotel Attacks
The threat actor known as TA558 has been attributed to a fresh set of attacks delivering various remote access trojans (RATs) like Venom RAT to breach hotels in Brazil and Spanish-speaking markets.Russian cybersecurity vendor Kaspersky is tracking the activity, observed in summer 2025, to a cluster it tracks as RevengeHotels.”The threat actors continue to employ…
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PureHVNC RAT Developers Exploit GitHub to Spread Pure Malware Source Code
The developers behind the PureHVNC remote access trojan (RAT) have been uncovered using GitHub repositories to host critical components and plugin source code for their Pure malware family. Check Point Research’s recent forensic analysis of an eight-day ClickFix intrusion campaign reveals that PureHVNC’s command-and-control (C&C) server delivered GitHub URLs to infected machines, a practice previously…
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 62
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter npm debug and chalk packages compromised GPUGate Malware: Malicious GitHub Desktop Implants Use Hardware-Specific Decryption, Abuse Google Ads to Target Western Europe Trojanized ScreenConnect installers evolve, dropping multiple RATs on a single machine Salt…
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Stealthy AsyncRAT flees the disk for a fileless infection
Tags: access, best-practice, control, credentials, infection, malicious, malware, monitoring, phishing, powershell, rat, theft, threat, update, windowsRAT with evasion and persistence: Once AsyncRAT was loaded, the attackers took steps to disrupt Windows defenses. The report notes techniques such as disabling Anti-malware Scan Interface (AMSI) and tampering with Event Tracking for Windows (ETW), both critical features for runtime detection. To maintain persistence, they created a scheduled task disguised as “Skype Update,” ensuring…
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Malware Campaign Uses SVG Email Attachments to Deploy XWorm and Remcos RAT
Recent threat campaigns have revealed an evolving use of BAT-based loaders to deliver Remote Access Trojans (RATs), including XWorm and Remcos. These campaigns typically begin with a ZIP archive”, often hosted on seemingly legitimate platforms such as ImgKit”, designed to entice user interaction by mimicking benign content. Once opened, the archive unpacks a highly obfuscated…
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Fünf KI-Use-Cases für CISOs
Tags: access, ai, business, ceo, cio, ciso, cybercrime, cybersecurity, cyersecurity, data, framework, google, incident response, mail, microsoft, phishing, rat, risk, risk-management, service, siem, soc, tool, vpn, vulnerability, vulnerability-management -
Fünf KI-Use-Cases für CISOs
Tags: access, ai, business, ceo, cio, ciso, cybercrime, cybersecurity, cyersecurity, data, framework, google, incident response, mail, microsoft, phishing, rat, risk, risk-management, service, siem, soc, tool, vpn, vulnerability, vulnerability-management -
Fileless Malware Deploys Advanced RAT via Legitimate Tools
A sophisticated fileless malware campaign has been observed using legitimate tools to deliver AsyncRAT executed in memory First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/fileless-malware-deploys-advanced/
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kkRAT Exploits Network Protocols to Exfiltrate Clipboard Data
The threat actor delivers three Remote Access Trojans (RATs)”, ValleyRAT, FatalRAT, and a newly discovered RAT dubbed kkRAT”, via phishing sites hosted on GitHub Pages. These sites masquerade as legitimate software installers for popular applications. In each instance, a ZIP archive contains a malicious executable that initiates a multi-stage attack chain designed to evade analysis,…
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CHILLYHELL macOS Backdoor and ZynorRAT RAT Threaten macOS, Windows, and Linux Systems
Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems.According to an analysis from Jamf Threat Labs, ChillyHell is written in C++ and is developed for Intel architectures.CHILLYHELL is the name assigned…
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CHILLYHELL macOS Backdoor and ZynorRAT RAT Threaten macOS, Windows, and Linux Systems
Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems.According to an analysis from Jamf Threat Labs, ChillyHell is written in C++ and is developed for Intel architectures.CHILLYHELL is the name assigned…
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CHILLYHELL macOS Backdoor and ZynorRAT RAT Threaten macOS, Windows, and Linux Systems
Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems.According to an analysis from Jamf Threat Labs, ChillyHell is written in C++ and is developed for Intel architectures.CHILLYHELL is the name assigned…
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 61
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Operation HanKook Phantom: North Korean APT37 targeting South Korea Three Lazarus RATs coming for your cheese Malvertising Campaign on Meta Expands to Android, Pushing Advanced Crypto-Stealing Malware to Users Worldwide Android Droppers: The Silent…
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Lazarus Subgroup Deploys Three Custom RATs in Targeted Crypto Attacks
The post Lazarus Subgroup Deploys Three Custom RATs in Targeted Crypto Attacks appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/lazarus-subgroup-deploys-three-custom-rats-in-targeted-crypto-attacks/
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Blind Eagle’s Five Clusters Target Colombia Using RATs, Phishing Lures, and Dynamic DNS Infra
Cybersecurity researchers have discovered five distinct activity clusters linked to a persistent threat actor known as Blind Eagle between May 2024 and July 2025.These attacks, observed by Recorded Future Insikt Group, targeted various victims, but primarily within the Colombian government across local, municipal, and federal levels. The threat intelligence firm is tracking the activity under…
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Fast-Spreading, Complex Phishing Campaign Installs RATs
Attackers not only steal credentials but also can maintain long-term, persistent access to corporate networks through the global campaign. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/fast-spreading-phishing-installs-rats
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Phishing Campaign Uses UpCrypter in Fake Voicemail Emails to Deliver RAT Payloads
Cybersecurity researchers have flagged a new phishing campaign that’s using fake voicemails and purchase orders to deliver a malware loader called UpCrypter.The campaign leverages “carefully crafted emails to deliver malicious URLs linked to convincing phishing pages,” Fortinet FortiGuard Labs researcher Cara Lin said. “These pages are designed to entice recipients into downloading JavaScript First seen…
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Fake Google Play Store Websites Deliver Potent RAT to Steal Sensitive Data
Cybersecurity researchers have uncovered a persistent campaign deploying the AndroidOS SpyNote malware, a sophisticated Remote Access Trojan (RAT) designed for surveillance, data exfiltration, and remote device control. This operation mimics legitimate Google Play Store pages for popular Android apps, tricking users into downloading malicious APK files. The campaign, linked to the same threat actor previously…
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Hackers Using New QuirkyLoader Malware to Spread Agent Tesla, AsyncRAT and Snake Keylogger
Cybersecurity researchers have disclosed details of a new malware loader called QuirkyLoader that’s being used to deliver via email spam campaigns an array of next-stage payloads ranging from information stealers to remote access trojans since November 2024.Some of the notable malware families distributed using QuirkyLoader include Agent Tesla, AsyncRAT, Formbook, Masslogger, Remcos RAT, First seen…
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New GodRAT Malware Uses Screensaver and Program Files to Target Organizations
Threat actors have been deploying a novel Remote Access Trojan (RAT) dubbed GodRAT, derived from the venerable Gh0st RAT codebase, to infiltrate financial institutions, particularly trading and brokerage firms. The malware is distributed via Skype as malicious .scr (screensaver) and .pif (Program Information File) executables masquerading as legitimate financial documents, such as client lists or…
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New GodRAT Trojan Targets Trading Firms Using Steganography and Gh0st RAT Code
Financial institutions like trading and brokerage firms are the target of a new campaign that delivers a previously unreported remote access trojan called GodRAT.The malicious activity involves the “distribution of malicious .SCR (screen saver) files disguised as financial documents via Skype messenger,” Kaspersky researcher Saurabh Sharma said in a technical analysis published today.The First seen…