BACKSPACE

MITRE ATT&CK: S0031 View on attack.mitre.org

Aliases: Lecna, ZRLnk, BACKSPACE

First seen
2005-01-01 00:00:00
Malware type
backdoor
Family
Malware family
Operating systems
windows
Last IoC activity
2026-05-27 08:45:05
Profile updated
2026-07-07 12:36:37

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

Targeted regions: country_code:cn country_code:in country_code:sg

Context

BACKSPACE is a backdoor used by APT30 that dates back to at least 2005.

Detection coverage

  • 2 YARA rules
  • 254 Sigma rules

Malware & tools used

  • System Information Discovery (attack-pattern)
  • Modify Registry (attack-pattern)
  • Windows Command Shell (attack-pattern)
  • Query Registry (attack-pattern)
  • Web Protocols (attack-pattern)
  • Process Discovery (attack-pattern)
  • Non-Standard Encoding (attack-pattern)
  • Internal Proxy (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)
  • Exfiltration Over C2 Channel (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Multi-Stage Channels (attack-pattern)
  • Shortcut Modification (attack-pattern)
  • Disable or Modify System Firewall (attack-pattern)

Used by threat actors

Detection rules

  • DITEKSHEN_MALWARE_WIN_BACKSPACE (yara-rule)
  • MALPEDIA_Win_Backspace_Auto (yara-rule)

Reports & references

  • secureworks.com — Bronze Geneva (report)
  • Mandiant — Rpt Apt30 (report)
  • media.kasperskycontenthub.com — Rpt Apt30 (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Backspace (report)
  • Mandiant — Rpt Apt30 (report)
  • ptsecurity.com — Eagle Eye Is Back Apt30 (report)
  • MITRE ATT&CK — S0031 (report)

External references