MITRE ATT&CK / Groups / G0035

Dragonfly

ID
G0035
Associated names
TEMP.Isotope, DYMALLOY, Berserk Bear, TG-4192, Crouching Yeti, IRON LIBERTY, Energetic Bear, Ghost Blizzard, BROMINE
Source
attack.mitre.org
MITRE last modified
1 Aug 2026

Dragonfly is a cyber espionage group that has been attributed to Russia's Federal Security Service (FSB) Center 16.[1][2] Active since at least 2010, Dragonfly has targeted defense and aviation companies, government entities, companies related to industrial control systems, and critical infrastructure sectors worldwide through supply chain, spearphishing, and drive-by compromise attacks.[3][4][5][6][7][8][9]

Techniques used (56)

Software used (10)

References

  1. DOJ Russia Targeting Critical Infrastructure March 2022
  2. UK GOV FSB Factsheet April 2022
  3. Symantec Dragonfly
  4. Secureworks IRON LIBERTY July 2019
  5. Symantec Dragonfly Sept 2017
  6. Fortune Dragonfly 2.0 Sept 2017
  7. Gigamon Berserk Bear October 2021
  8. CISA AA20-296A Berserk Bear December 2020
  9. Symantec Dragonfly 2.0 October 2017