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New Linux Botnet Discovered
There's a new bit of nastiness that's attacking Linux systems, by way of the Internet Relay Chat IRC) communication protocol to execute command-and-control (C2) takeovers.
This new, old-school botnet, called SSHStalker, was discovered by the Flare research team (https://flare.io/learn/resources/blog/old-school-irc-new-victims-inside-the-newly-discovered-sshstalker-linux-botnet) using an SSH honeypot. During a two-month period, Flare detected several attempts revealing a fairly sophisticated operation that used old-school technology with modern automation.
According to the report, SSHStalker chains an SSH scanner with rapid staging to hand off enrollment into IRC channels, and it is optimized for scale.
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