Bootkit
Modifies MBR/VBR or the EFI System Partition to run before the OS loads
categoryMalwareseverityHighdetectabilityLowlabnot yet measured
Example: BlackLotus
Classification
30 values: 13 reviewed, 14 imported, 3 derived. What do these mean?
Exploitability
| Attack vector | Malware |
|---|---|
| Reach (CVSS) | Local |
| Attack complexity | High |
| Privileges required | High |
| User interaction | None |
| Attacker skill required | High |
| Resources required | Medium |
| Likelihood / prevalence | Medium |
| Maturity | Established |
Impact & scope
| Severity | High |
|---|---|
| Impact | AvailabilityConfidentialityIntegrity |
| Platform | LinuxWindows |
| Environment | On-premises |
| Target asset class | EndpointServer |
| Kill-chain phase (tactic) | PersistenceStealth |
Detection & telemetry
| Detectability | Low |
|---|---|
| Data sources (ATT&CK data components) | Drive AccessDrive ModificationFile CreationFile Modification |
| Defense bypassed | Anti-virusFile monitoringHost intrusion prevention |
| Attack permissions (ATT&CK) | AdministratorSYSTEM |
Detection & response
Mitigated by 7
- M1026 attack-mitigation
- M1046 attack-mitigation
D3-AVEd3fendD3-BAd3fendD3-RSd3fendD3-SUd3fendD3-SWId3fend
Detected by 2
- DET0150 attack-detection-strategy
c9fbe8e9-119d-40a6-9b59-dd58a5d84429sigma
Framework references
- Primary source: https://attack.mitre.org/techniques/T1542/003/
- attack: T1542.003 (primary)
Evidence & sources
- ev-0001 (Cyber Attack Taxonomy) — Name, definition and Example/ID taken verbatim from the 'Malware' table, line 82 of Cyber-Attack-Taxonomy.md
- ev-0002 (MITRE Enterprise ATT&CK v19.2 (STIX 2.1)) — ATT&CK usage prevalence: 9 groups/software/campaigns reference this technique (ATT&CK enterprise v19.2)