EDR killers / disable security tools
Endpoint agents terminated or blinded
categoryPhysical, insider and cross-cutting attacksseverityMediumdetectabilityHighlabnot yet measured
Example: EDRSilencer
Classification
38 values: 10 reviewed, 23 imported, 5 derived. What do these mean?
Exploitability
| Attack vector | Post-compromise / campaign |
|---|---|
| Reach (CVSS) | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Attacker skill required | Medium |
| Resources required | Low |
| Likelihood / prevalence | Medium |
| Maturity | Commoditized |
Impact & scope
| Severity | Medium |
|---|---|
| Impact | Availability |
| Platform | ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows |
| Environment | CloudOn-premises |
| Target asset class | EndpointServer |
| Kill-chain phase (tactic) | Defense Impairment |
Detection & telemetry
| Detectability | High |
|---|---|
| Data sources (ATT&CK data components) | Cloud Service ModificationCommand ExecutionHost StatusProcess CreationProcess TerminationService CreationService ModificationWindows Registry Key Modification |
| Defense bypassed | Anti-virusFile monitoringHost intrusion preventionLog analysisSignature-based detection |
Detection & response
Mitigated by 19
- M1018 attack-mitigation
- M1022 attack-mitigation
- M1024 attack-mitigation
- M1038 attack-mitigation
- M1042 attack-mitigation
- M1047 attack-mitigation
- M1054 attack-mitigation
D3-ABPId3fendD3-HBPId3fendD3-HRd3fendD3-HSd3fendD3-KBPId3fendD3-PLAd3fendD3-PSd3fendD3-PSAd3fendD3-PSMDd3fendD3-PTd3fendD3-SCFd3fendD3-SDMd3fend
Detected by 1
- DET0497 attack-detection-strategy
Framework references
- Primary source: https://www.picussecurity.com/resource/blog/t1562-impair-defenses
- attack: T1562.001 (primary)
Evidence & sources
- ev-0001 (Cyber Attack Taxonomy) — Name, definition and Example/ID taken verbatim from the 'Physical, insider and cross-cutting attacks' table, line 690 of Cyber-Attack-Taxonomy.md
- ev-0002 (MITRE Enterprise ATT&CK v19.2 (STIX 2.1)) — ATT&CK T1562.001 was revoked and replaced by T1685 in v19.2; facets imported from the replacement technique.
- ev-0003 (MITRE Enterprise ATT&CK v19.2 (STIX 2.1)) — ATT&CK usage prevalence: 128 groups/software/campaigns reference this technique (ATT&CK enterprise v19.2)