Maverick: a new banking Trojan abusing WhatsApp in a mass-scale distribution

A malware campaign was recently detected in Brazil, distributing a malicious LNK file using WhatsApp. It targets mainly Brazilians and uses Portuguese-named URLs. To evade detection, the command-and-control C2 server verifies each download to ensure it originates from the malware itself. The whol...

Astaroth Trojan Uses GitHub Images to Stay Active After Takedowns

Astaroth banking trojan has evolved to use GitHub and steganography for resilient C2, hiding its vital commands in images. Learn how this sophisticated malware employs fileless techniques to steal banking and crypto credentials from users across Latin America...

Chinese APT Hits Philippine Military Firm with New EggStreme Fileless Malware

Bitdefender uncovers EggStreme, a fileless malware by a China-based APT targeting the Philippine military and APAC organisations. Cybersecurity…...

New Fileless Malware Attack Uses AsyncRAT for Credential Theft

LevelBlue Labs reports AsyncRAT delivered through a fileless attack chain using ScreenConnect, enabling credential theft and persistence...

Chinese APT Deploys EggStreme Fileless Malware to Breach Philippine Military Systems

An advanced persistent threat APT group from China has been attributed to the compromise of a Philippines-based military company using a previously undocumented fileless malware framework called EggStreme. "This multi-stage toolset achieves persistent, low-profile espionage by injecting malicious...

Silent Pivot: Detecting Fileless Lateral Movement via Service Manager with Trellix NDR

Silent Pivot: Detecting Fileless Lateral Movement via Service Manager with Trellix NDR By Maulik Maheta and Lishoy Mathew · September 8, 2025 Executive summary The tactics of cyber adversaries continue to evolve as they attempt to bypass security vendors. Rather than traditional malware, today’s...

The Silent, Fileless Threat of VShell

The Silent, Fileless Threat of VShell By Sagar Bade · August 21, 2025 Introduction Linux environments are often seen as bastions of security, favored by developers, sysadmins, and security professionals for their stability, transparency, and resistance to malware. Compared to Windows, the attack...

RX-INT: a Kernel Engine for Real-Time Detection and Analysis of In-Memory Threats

Malware and cheat developers use fileless execution techniques to evade traditional, signature-based security products. These methods include various types of manual mapping, module stomping, and threadless injection which work entirely within the address space of a legitimate process, presenting...

Over 1,500 PostgreSQL Servers Compromised in Fileless Cryptocurrency Mining Campaign

Exposed PostgreSQL instances are the target of an ongoing campaign designed to gain unauthorized access and deploy cryptocurrency miners. Cloud security firm Wiz said the activity is a variant of an intrusion set that was first flagged by Aqua Security in August 2024 that involved the use of a...

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...

Fake CAPTCHA Pages Used by Lumma Stealer to Spread Fileless Malware

Lumma Stealer malware uses fake CAPTCHA to deceive victims. This information-stealing malware targets sensitive data like passwords and…...

Silent Intrusions: Godzilla Fileless Backdoors Targeting Atlassian Confluence

Trend Micro discovered that old Atlassian Confluence versions that were affected by CVE-2023-22527 are being exploited using a new in-memory fileless backdoor...

8220 Gang Exploits Oracle WebLogic Server Flaws for Cryptocurrency Mining

Security researchers have shed more light on the cryptocurrency mining operation conducted by the 8220 Gang by exploiting known security flaws in the Oracle WebLogic Server. "The threat actor employs fileless execution techniques, using DLL reflective and process injection, allowing the malware...

Cookie-Monster - BOF To Steal Browser Cookies & Credentials

Steal browser cookies for edge, chrome and firefox through a BOF or exe! Cookie-Monster will extract the WebKit master key, locate a browser process with a handle to the Cookies and Login Data files, copy the handles and then filelessly download the target. Once the Cookies/Login Data files are...

Fileless Attacks Prompt Intel’s Next-Gen Security

Discover how Trend is strengthening its endpoint solutions to detect fileless attacks earlier. By leveraging Intel Threat Detection Technology, Trend enhances the scalability and resiliency of its solutions...

HeadCrab 2.0 Goes Fileless, Targeting Redis Servers for Crypto Mining

Cybersecurity researchers have detailed an updated version of the malware HeadCrab that's known to target Redis database servers across the world since early September 2021. The development, which comes exactly a year after the malware was first publicly disclosed by Aqua, is a sign that the...

FAUST: A Phobos Ransomware Variant Launches Fileless Attack

Summary: FAUST ransomware, a variant of the Phobos family, exhibiting intricate deployment stages, from decoding Base64 data to injecting shellcode. Notably, it employs a fileless attack through an Office document with a VBA script, emphasizing the need for user caution with document files from...

Albabat, Kasseika, Kuiper: New Ransomware Gangs Rise with Rust and Golang

Cybersecurity researchers have detected in the wild yet another variant of the Phobos ransomware family known as Faust. Fortinet FortiGuard Labs, which detailed the latest iteration of the ransomware, said it's being propagated by means of an infection that delivers a Microsoft Excel document .XL...

LODEINFO Fileless Malware Evolves with Anti-Analysis and Remote Code Tricks

Cybersecurity researchers have uncovered an updated version of a backdoor called LODEINFO that's distributed via spear-phishing attacks. The findings come from Japanese company ITOCHU Cyber & Intelligence, which said the malware "has been updated with new features, as well as changes to the...

How ransomware operators try to stay under the radar

An often heard remark is that when your security solution notices a ransomware attack, it’s already too late. Theres a lot of truth in that, if you consider the encryption process to be the ransomware attack. However, these days encryption is just a part of many ransomware attacks. Some of the...