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NSA Hijacking malware

NSAIn addition to having its own arsenal of digital weapons, the U.S. National Security Agency reportedly hijacks and repurposes third-party malware.

The NSA is using its network of servers around the world to monitor botnets made up of thousands or millions of infected computers. When needed, the agency can exploit features of those botnets to insert its own malware on the already compromised computers, through a technology codenamed Quantumbot, German new magazine Der Spiegel reported Sunday.

One of the secret documents leaked by former NSA contractor Edward Snowden and published by Der Spiegel contains details about a covert NSA program called DEFIANTWARRIOR that’s used to hijack botnet computers and use them as “pervasive network analysis vantage points” and “throw-away non-attributable CNA [computer network attack] nodes.”

This means that if a user’s computer is infected by cybercriminals with some malware, the NSA might step in, deploy their own malware alongside it and then use that computer to attack other interesting targets. Those attacks couldn’t then be traced back to the NSA.

In 2009, the NSA tracked a Chinese cyberattack against the U.S. Department of Defense and was eventually able to infiltrate the operation. It found that the Chinese attackers were also stealing data from the United Nations so it continued to monitor the attackers while they were collecting internal UN data, Der Spiegel reported.

It goes deeper than that. One leaked secret document contains an NSA worker’s account of a case of fifth party collection. It describes how the NSA infiltrated the South Korean CNE (computer network exploitation) program that targeted North Korea.

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