ThreeByte

First seen
2021-06-15 00:00:00
Malware type
backdoor, rat
Family
Malware family
Profile updated
2026-07-07 12:35:48

Targeted industries: government-and-public-sector technology-and-telecommunications financial-services

Context

ThreeByte is a backdoor remote access trojan (RAT) primarily used for espionage activities. It targets government and critical infrastructure sectors, allowing attackers to remotely control infected systems.

Detection coverage

  • 1 YARA rules

Detection rules

  • MALPEDIA_Win_Threebyte_Auto (yara-rule)

Reports & references

  • Mandiant — Darwins Favorite Apt Group 2 (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Threebyte (report)

External references