In 2008, the United States Department of Defense was infected with malware. Described at the time as the "worst breach of U.S. military computers in history", the defense against the attack was named "Operation Buckshot Yankee". It led to the creation of the United States Cyber Command.[1][2][3]

History

The infection started when a USB flash drive infected by a foreign intelligence agency was left in the parking lot of a Department of Defense facility at a base in the Middle East. It contained malicious code, and was plugged into a laptop that was attached to United States Central Command. From there it spread undetected to other systems, both classified and unclassified.[1][2]

Operation Buckshot Yankee

The Pentagon spent nearly 14 months cleaning the worm, named agent.btz, from military networks. Agent.btz, a variant of the SillyFDC worm,[4] has the ability "to scan computers for data, open backdoors, and send through those backdoors to a remote command and control server."[5] It was originally suspected that Chinese or Russian hackers were behind it as they had used the same code that made up agent.btz before in previous attacks. In December 2016, the United States FBI and DHS issued a Joint Analysis Report which included attribution of Agent.BTZ to one or more "Russian civilian and military intelligence Services (RIS)."[6] In order to try to stop the spread of the worm, the Pentagon banned USB drives, and disabled the Windows autorun feature.[5]

References

  1. 1 2 "Defense Department Confirms Critical Cyber Attack". Eweek. August 25, 2010. Retrieved 2010-08-25. A senior Pentagon official has revealed details of a previously-classified malware attack he declared "the most significant breach of U.S. military computers ever." In an article for Foreign Affairs, Deputy Defense Secretary William J. Lynn III writes that in 2008, a flash drive believed to have been infected by a foreign intelligence agency uploaded malicious code onto a network run by the military's Central Command. ...
  2. 1 2 William J. Lynn III. "Defending a New Domain". Foreign Affairs. Retrieved 2010-08-25. In 2008, the U.S. Department of Defense suffered a significant compromise of its classified military computer networks. It began when an infected flash drive was inserted into a U.S. military laptop at a base in the Middle East. The flash drive's malicious computer code, placed there by a foreign intelligence agency, uploaded itself onto a network run by the U.S. Central Command. That code spread undetected on both classified and unclassified systems, establishing what amounted to a digital beachhead, from which data could be transferred to servers under foreign control. It was a network administrator's worst fear: a rogue program operating silently, poised to deliver operational plans into the hands of an unknown adversary.
  3. ↑ Knowlton, Brian (August 25, 2010). "Military Computer Attack Confirmed". The New York Times. Retrieved 2010-08-26.
  4. ↑ Shachtman, Noah (November 19, 2008). "Under Worm Assault, Military Bans Disks, USB Drives". Wired.
  5. 1 2 Shachtman, Noah. "Insiders Doubt 2008 Pentagon Hack Was Foreign Spy Attack (Updated)". Retrieved 2016-10-04.
  6. ↑ NCCIC (December 29, 2016). "GRIZZLY STEPPE – Russian Malicious Cyber Activity" (PDF). Retrieved 2023-05-08.

Further reading

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