Russia-linked APT28 use Signal chats to target Ukraine official with malware

https://securityaffairs.com/179288/apt/russia-linked-apt28-use-signal-chats-to-target-ukraine-official-with-malware.html

https://twitter.com/home/status/1937492085290213733

https://twitter.com/home/status/1937575454195515649

https://twitter.com/home/status/1937613169717051635