BISCUIT
MITRE ATT&CK: S0017 View on attack.mitre.org
Aliases: zxdosml, BISCUIT
- First seen
- 2007-01-01 00:00:00
- Malware type
- backdoor
- Family
- Malware family
- Operating systems
- windows
- Profile updated
- 2026-07-07 12:34:52
Targeted industries: government-and-public-sector technology-and-telecommunications
Context
BISCUIT is a backdoor that has been used by APT1 since as early as 2007.
Detection coverage
- 1 YARA rules
- 182 Sigma rules
Malware & tools used
- Screen Capture (attack-pattern)
- Fallback Channels (attack-pattern)
- System Information Discovery (attack-pattern)
- System Time Discovery (attack-pattern)
- Process Discovery (attack-pattern)
- Ingress Tool Transfer (attack-pattern)
- Keylogging (attack-pattern)
- Asymmetric Cryptography (attack-pattern)
- System Owner/User Discovery (attack-pattern)
- Windows Command Shell (attack-pattern)
Used by threat actors
- APT1 (threat-actor)
Detection rules
- MALPEDIA_Win_Biscuit_Auto (yara-rule)
Reports & references
- Mandiant — Mandiant Apt1 Report (report)
- github.com — Appendix%20C%20(Digital)%20 %20The%20Malware%20Arsenal (report)
- malpedia.caad.fkie.fraunhofer.de — Win.Biscuit (report)
- Mandiant — Mandiant Apt1 Report (report)
- MITRE ATT&CK — S0017 (report)