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Concept image showing SilentButDeadly cutting network connections between EDR and AV agents and their cloud management console while the agents still appear active.

SilentButDeadly Explained: User-Mode EDR Neutralization

SilentButDeadly is an open-source Windows tool that neutralizes EDR and AV visibility by cutting their cloud communications with Windows Filtering Platform filters instead of killing the agents. This article unpacks how SilentButDeadly discovers security processes, applies process-specific network blocks, disrupts services, and what defenders should monitor to detect and withstand similar EDR neutralization techniques.

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GlassWorm malware infection in VS Code extensions showing invisible code and supply-chain compromise.

GlassWorm Exploit Breakdown Self-Propagating Worm in VS Code

GlassWorm is the first known self-propagating worm targeting developer environments by infecting VS Code extensions with hidden Unicode payloads. Once installed, it steals credentials from NPM, GitHub and Git, and upgrades machines into proxy nodes and part of a distributed criminal infrastructure. It uses a blockchain-based command and control mechanism and auto-updates to spread across the developer ecosystem. In this article, we dissect how GlassWorm works, what makes it a paradigm shift in supply-chain attacks, and what organisations must do to detect and contain it before their dev workstations become weaponised.

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