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ISAC Alert - -

Be advised of a botnet of ActivityPub accounts registered as username yqqwe

These accounts appear to be part of a Beijing-based command-and-control structure to distribute spam and SEO links, associated with the Mastodon service found at mastodon[.]tinynews[.]org

We recommend reviewing local and remote accounts with this username.

We also recommend reviewing federation policies for the associated domain.

We strongly recommend not following any associated links or downloads.