Spoiler alert: it's not really IT support controlling your device
A cybercrime gang has been abusing Microsoft's Quick Assist application in social engineering attacks that ultimately allow the crew to infect victims with Black Basta ransomware.
Quick Assist is a software tool installed by default in Windows 11 that allows someone to share their PC or macOS device with a remote user, typically in corporate IT, who can then control the computer remotely. This also makes it easier for scammers, posing as tech support, to trick people into giving them full access to the targeted device.
Plus, there's a whole list of indicators of compromise, and threat-hunting queries that Microsoft customers can use to look for malicious activity on their networks, such as suspicious curl behavior or possible malicious use of proxy or tunneling tool.The break-ins begin with Storm-1811 impersonating IT support through voice phishing, and convincing the user to give them access to the computer through Quick Assist.
After this pwnage Storm-1811 gets to work delivering malicious payloads and remote monitoring and management software, we're told.
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