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DragonForce ransomware used a custom malware named 'Backdoor.Turn' to hide command-and-control traffic inside Microsoft Teams relay infrastructure. [...]
AI assistants like Grok and Microsoft Copilot with web browsing and URL-fetching capabilities can be abused to intermediate command-and-control (C2) activity. [...]
Microsoft security researchers have discovered a new backdoor malware that uses the OpenAI Assistants API as a covert command-and-control channel. [...]
A new post-exploitation command-and-control (C2) evasion method called 'Ghost Calls' abuses TURN servers used by conferencing apps like Zoom and Microsoft Teams to tunnel traffic through trusted infrastructure. [...]
Microsoft has added command-and-control (C2) traffic detection capabilities to its Microsoft Defender for Endpoint (MDE) enterprise endpoint security platform. [...]
Microsoft said it blocked a Lebanon-based hacking group it tracks as Polonium from using the OneDrive cloud storage platform for data exfiltration and command and control while targeting and compromising Israelian organizations. [...]
A months-long global operation led by Microsoft's Digital Crimes Unit (DCU) has taken down dozens of domains used as command-and-control (C2) servers by the notorious ZLoader botnet. [...]
The TrickBot trojan has just added one more trick up its sleeve, now using vulnerable IoT (internet of things) devices like modem routers as proxies for its C2 (command and control) server communication. [...]
A new Golang-based botnet under active development has been ensnaring hundreds of Windows devices each time its operators deploy a new command and control (C2) server. [...]