Seasalt

MITRE ATT&CK: S0345 View on attack.mitre.org

Aliases: Seasalt

First seen
2010-01-01 00:00:00
Malware type
trojan
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 12:35:06

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

Targeted regions: country_code:cn country_code:us

Context

Seasalt is malware that has been linked to APT1's 2010 operations. It shares some code similarities with OceanSalt.

Detection coverage

  • 1 YARA rules
  • 239 Sigma rules

Malware & tools used

  • Windows Command Shell (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Web Protocols (attack-pattern)
  • Process Discovery (attack-pattern)
  • Masquerade Task or Service (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Encrypted/Encoded File (attack-pattern)
  • Windows Service (attack-pattern)
  • File Deletion (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)

Used by threat actors

  • APT1 (threat-actor)

Detection rules

  • MALPEDIA_Win_Seasalt_Auto (yara-rule)

Reports & references

  • McAfee — Rp Operation Oceansalt (report)
  • github.com — Appendix%20C%20(Digital)%20 %20The%20Malware%20Arsenal (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Seasalt (report)
  • Mandiant — Mandiant Apt1 Report (report)
  • MITRE ATT&CK — S0345 (report)

External references