This is a great achievment for the fediverse: it is now used by malware (in this case, to find the C&C, or C2, the Command and Control center where the malware will take instructions).
Do note the stupid remark (a typical one from some security fans) saying that the fediverse is not censored enough.
(The account mentioned in the article is already suspended.)
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!