SapphireStealer’s Stealthy Invasion via Deceptive Legal Documents

Summary: An intricate campaign aimed at Russian individuals has emerged, showcasing the SapphireStealer malware, a publicly available information-stealing tool introduced in December 2022. The incorporation of social engineering techniques significantly enhances the efficacy of these campaigns,...

New open-source infostealer, and reflections on 2023 so far

Welcome to this weeks edition of the Threat Source newsletter. Im covering for Jon this week whilst he takes some well-deserved holiday. Whats on my mind this week? Well, apart from a new horror film that I just read about called "Slotherhouse" where the killer is, um, a sloth I predict nothing b...

SapphireStealer Malware: A Gateway to Espionage and Ransomware Operations

An open-source .NET-based information stealer malware dubbed SapphireStealer is being used by multiple entities to enhance its capabilities and spawn their own bespoke variants. "Information-stealing malware like SapphireStealer can be used to obtain sensitive information, including corporate...