A week ago, KrebsOnSecurity broke the news that someone was attempting to disrupt the Trickbot botnet, a malware crime machine that has infected millions of computers and is often used to spread ransomware. A new report Friday says the coordinated attack was part of an operation carried out by the U.S. military’s Cyber Command.
On October 2, KrebsOnSecurity reported that twice in the preceding ten days, an unknown entity that had inside access to the Trickbot botnet sent all infected systems a command telling them to disconnect themselves from the Internet servers the Trickbot overlords used to control compromised Microsoft Windows computers.
On top of that, someone had stuffed millions of bogus records about new victims into the Trickbot database — apparently to confuse or stymie the botnet’s operators.
In a story published Oct. 9, The Washington Post reported that four U.S. officials who spoke on condition of anonymity said the Trickbot disruption was the work of U.S. Cyber Command, a branch of the Department of Defense headed by the director of the National Security Agency (NSA).
The Post report suggested the action was a bid to prevent Trickbot from being used to somehow interfere with the upcoming presidential election, noting that Cyber Command was instrumental in disrupting the Internet access of Russian online troll farms during the 2018 midterm elections.
The Post said U.S. officials recognized their operation would not permanently dismantle Trickbot, describing it rather as “one way to distract them for at least a while as they seek to restore their operations.”
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