GhostFrame phishing kit fuels widespread attacks against millions

GhostFrame is a new phishing-as-a-service PhaaS kit, tracked since September 2025, that has already powered more than a million phishing attacks. Threat analysts spotted a series of phishing attacks featuring tools and techniques they hadn't seen before. A few months later, they had linked over a...

Mac users warned about new DigitStealer information stealer

A new infostealer called DigitStealer is going after Mac users. It avoids detection, skips older devices, and steals files, passwords, and browser data. We break down what it does and how to protect your Mac. Researchers have described a new malware called DigitStealer that steals sensitive...

Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors

Threat actors are leveraging weaponized attachments distributed via phishing emails to deliver malware likely targeting the defense sector in Russia and Belarus. According to multiple reports from Cyble and Seqrite Labs, the campaign is designed to deploy a persistent backdoor on compromised host...

CVE-2017-20201

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 32-bit builds contained a malicious pre-entry-point loader that diverts execution from scrtcommonmainseh into a custom loader. That loader decodes an embedded blob into shellcode, allocates executable heap memory, resolves Windows API functions at...

CVE-2017-20201

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 32-bit builds contained a malicious pre-entry-point loader that diverts execution from scrtcommonmainseh into a custom loader. That loader decodes an embedded blob into shellcode, allocates executable heap memory, resolves Windows API functions at...

EUVD-2025-33278

CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 32-bit builds contained a malicious pre-entry-point loader that diverts execution from scrtcommonmainseh into a custom loader. That loader decodes an embedded blob into shellcode, allocates executable heap memory, resolves Windows API functions at...

CVE-2017-20201

CVE-2017-20201 affects CCleaner v5.33.6162 and CCleaner Cloud v1.07.3191 (32-bit). A malicious pre-entry-point loader diverts from __scrt_common_main_seh to a custom loader that decodes an embedded blob into shellcode, allocates executable memory, resolves Windows API calls at runtime, and transf...

PT-2025-41312

Name of the Vulnerable Software and Affected Versions CCleaner versions 5.33.6162 CCleaner Cloud versions 1.07.3191 Description CCleaner and CCleaner Cloud contained a malicious pre-entry-point loader that redirects execution to a custom loader. This loader decodes an embedded blob into shellcode...

XWorm 6.0 Returns with 35+ Plugins and Enhanced Data Theft Capabilities

Cybersecurity researchers have charted the evolution of XWorm malware, turning it into a versatile tool for supporting a wide range of malicious actions on compromised hosts. "XWorm's modular design is built around a core client and an array of specialized components known as plugins," Trellix...

New LockBit 5.0 Targets Windows, Linux, ESXi

Trend™ Research analyzed source binaries from the latest activity from notorious LockBit ransomware with their 5.0 version that exhibits advanced obfuscation, anti-analysis techniques, and seamless cross-platform capabilities for Windows, Linux, and ESXi systems...

New YiBackdoor Malware Shares Major Code Overlaps with IcedID and Latrodectus

Cybersecurity researchers have disclosed details of a new malware family dubbed YiBackdoor that has been found to share "significant" source code overlaps with IcedID and Latrodectus. "The exact connection to YiBackdoor is not yet clear, but it may be used in conjunction with Latrodectus and Iced...

New FileFix Variant Delivers StealC Malware Through Multilingual Phishing Site

Cybersecurity researchers have warned of a new campaign that's leveraging a variant of the FileFix social engineering tactic to deliver the StealC information stealer malware. "The observed campaign uses a highly convincing, multilingual phishing site e.g., fake Facebook Security page, with...

Hackers Use Facebook Ads to Spread JSCEAL Malware via Fake Cryptocurrency Trading Apps

Cybersecurity researchers are calling attention to an ongoing campaign that distributes fake cryptocurrency trading apps to deploy a compiled V8 JavaScript JSC malware called JSCEAL that can capture data such as credentials and wallets. The activity leverages thousands of malicious advertisements...

Threat Analysis: SquidLoader - Still Swimming Under the Radar

Threat Analysis: SquidLoader - Still Swimming Under the Radar By Charles Crofford · July 15, 2025 Executive summary A new wave of SquidLoader malware samples are actively targeting financial services institutions in Hong Kong. This sophisticated malware exhibits significant evasion capabilities,...

Demystifying Myth Stealer: A Rust Based InfoStealer

Demystifying Myth Stealer: A Rust Based InfoStealer By Niranjan Hegde, Vasantha Lakshmanan Ambasankar and Adarsh S · June 5, 2025 Introduction During regular proactive threat hunting, the Trellix Advanced Research Center identified a fully undetected infostealer malware sample written in Rust. Up...

New TgToxic Banking Trojan Variant Evolves with Anti-Analysis Upgrades

Cybersecurity researchers have discovered an updated version of an Android malware called TgToxic aka ToxicPanda, indicating that the threat actors behind it are continuously making changes in response to public reporting. "The modifications seen in the TgToxic payloads reflect the actors' ongoin...

Anatomy of Celestial Stealer: Malware-as-a-Service Revealed

Anatomy of Celestial Stealer: Malware-as-a-Service Revealed By Niranjan Hegde, Adarsh S and Shashikala Piddannavar · December 3, 2024 Introduction During proactive hunting, Trellix Advanced Research Center found samples belonging to Celestial Stealer, a JavaScript-based infostealer which is...

A Bag of RATs: VenomRAT vs. AsyncRAT

Introduction Remote access tools RATs have long been a favorite tool for cyber attackers, since they enable remote control over compromised systems and facilitate data theft, espionage, and continuous monitoring of victims. Among the well-known RATs are VenomRAT and AsyncRAT. These are open-sourc...

Cybercriminals Use Excel Exploit to Spread Fileless Remcos RAT Malware

Cybersecurity researchers have discovered a new phishing campaign that spreads a new fileless variant of known commercial malware called Remcos RAT. Remcos RAT "provides purchases with a wide range of advanced features to remotely control computers belonging to the buyer," Fortinet FortiGuard Lab...

New Stealer Uses Invalid Cert To Compromise Systems

New Stealer Uses Invalid Cert To Compromise Systems By Mohinder Gill, Mallikarjun Wali and Sangram Mohapatro · November 07, 2024 A new Stealer has been making the rounds. Its name: Fickle. Fickle Stealer is a new Rust-based information stealer that spreads through various attack vectors, includin...