Sibot
MITRE ATT&CK: S0589 View on attack.mitre.org
Aliases: Sibot
- First seen
- 2021-01-01 00:00:00
- Malware type
- downloader, loader
- Family
- Malware family
- Operating systems
- windows
- Profile updated
- 2026-07-07 12:58:50
Targeted industries: government-and-public-sector technology-and-telecommunications
Targeted regions: country_code:us country_code:gb country_code:ca
Context
Sibot is dual-purpose malware written in VBScript designed to achieve persistence on a compromised system as well as download and execute additional payloads. Microsoft discovered three Sibot variants in early 2021 during its investigation of APT29 and the SolarWinds Compromise.
Detection coverage
- 422 Sigma rules
Malware & tools used
- Query Registry (attack-pattern)
- Scheduled Task (attack-pattern)
- Match Legitimate Resource Name or Location (attack-pattern)
- System Network Configuration Discovery (attack-pattern)
- Command Obfuscation (attack-pattern)
- Windows Management Instrumentation (attack-pattern)
- Ingress Tool Transfer (attack-pattern)
- File Deletion (attack-pattern)
- Web Service (attack-pattern)
- Visual Basic (attack-pattern)
- Deobfuscate/Decode Files or Information (attack-pattern)
- Mshta (attack-pattern)
- Rundll32 (attack-pattern)
- System Network Connections Discovery (attack-pattern)
- Indicator Removal (attack-pattern)
- Fileless Storage (attack-pattern)
- Modify Registry (attack-pattern)
- Web Protocols (attack-pattern)
Used by threat actors
- SolarWinds Compromise (campaign)
- APT29 (threat-actor)
Reports & references
- Microsoft — Goldmax Goldfinder Sibot Analyzing Nobelium Malware (report)
- MITRE ATT&CK — S0589 (report)