Malware has typically used files that it makes resident on a target machine to carry out an attack. But another class of malware called "fileless" does the opposite. The attack that the malware causes ...

The campaign exploits an Office vulnerability to deliver the modular XWorm RAT, chaining HTA, PowerShell, and in-memory .NET execution to sidestep detection and expand post-compromise control.

Cybercriminals are increasingly infecting computers with malware that resides only in memory in order to make their attacks harder to detect. Recent attacks launched with the Angler exploit kit — a ...

A new report out today from cybersecurity company Securonix Inc. is warning of a highly sophisticated, multistage malware campaign where attackers are abusing trusted Windows features and fileless ...

I was doing a standard review of Windows Defender Antivirus telemetry when I noticed an anomaly from a detection algorithm designed to catch a specific fileless technique. Telemetry showed a sharp ...