CLASSFON

First seen
2015-06-15 00:00:00
Malware type
trojan, backdoor
Profile updated
2026-07-07 14:52:49

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

Targeted regions: country_code:us

Context

CLASSFON is a sophisticated malware used as a backdoor and trojan primarily targeting government and financial institutions, allegedly for espionage purposes. It has been in use since at least mid-2015, primarily affecting the United States.

Detection coverage

  • 1 YARA rules

Detection rules

  • MALPEDIA_Win_Classfon_Auto (yara-rule)

Reports & references

  • malpedia.caad.fkie.fraunhofer.de — Win.Classfon (report)
  • Mandiant — Rpt Apt41 (report)

External references