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US Disrupts Russian Botnet

published on 2022-04-07 14:31:56 UTC by Bruce Schneier
Content:

The Justice Department announced the disruption of a Russian GRU-controlled botnet:

The Justice Department today announced a court-authorized operation, conducted in March 2022, to disrupt a two-tiered global botnet of thousands of infected network hardware devices under the control of a threat actor known to security researchers as Sandworm, which the U.S. government has previously attributed to the Main Intelligence Directorate of the General Staff of the Armed Forces of the Russian Federation (the GRU). The operation copied and removed malware from vulnerable internet-connected firewall devices that Sandworm used for command and control (C2) of the underlying botnet. Although the operation did not involve access to the Sandworm malware on the thousands of underlying victim devices worldwide, referred to as “bots,” the disabling of the C2 mechanism severed those bots from the Sandworm C2 devices’ control.

The botnet “targets network devices manufactured by WatchGuard Technologies Inc. (WatchGuard) and ASUSTek Computer Inc. (ASUS).” And note that only the command-and-control mechanism was disrupted. Those devices are still vulnerable.

The Justice Department made a point that they did this before the botnet was used for anything offensive.

Four more news articles. Slashdot post.

EDITED TO ADD (4/13): WatchGuard knew and fixed it nearly a year ago, but tried to keep it hidden. The patches were reverse-engineered.

Article: US Disrupts Russian Botnet - published over 2 years ago.

https://www.schneier.com/blog/archives/2022/04/us-disrupts-russian-botnet.html   
Published: 2022 04 07 14:31:56
Received: 2022 04 13 14:46:28
Feed: Schneier on Security
Source: Schneier on Security
Category: Cyber Security
Topic: Cyber Security
Views: 0

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