New SysJoker Espionage Malware Targeting Windows, macOS, and Linux Users

In Hacker News by Blog Writer

Post Sharing
A new cross-platform backdoor called “SysJoker” has been observed targeting machines running Windows, Linux, and macOS operating systems as part of an ongoing espionage campaign that’s believed to have been initiated during the second half of 2021.
“SysJoker masquerades as a system update and generates its [command-and-control server] by decoding a string retrieved from a text file hosted on