Credential stuffing
Leaked username/password pairs replayed against other services
categoryIdentity, authentication and credential attacksseverityHighdetectabilityHighlabnot yet measured
Example: Snowflake/UNC5537 (2024)
Classification
30 values: 10 reviewed, 14 imported, 6 derived. What do these mean?
Exploitability
| Attack vector | Credential attacks |
|---|---|
| Reach (CVSS) | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Attacker skill required | Low |
| Resources required | Low |
| Likelihood / prevalence | High |
| Maturity | Commoditized |
Impact & scope
| Severity | High |
|---|---|
| Impact | ConfidentialityIntegrity |
| Platform | ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows |
| Environment | CloudMobileOn-premises |
| Target asset class | Identity |
| Kill-chain phase (tactic) | Credential Access |
Detection & telemetry
| Detectability | High |
|---|---|
| Testability | Atomic Red Team test |
| Data sources (ATT&CK data components) | User Account Authentication |
Detection & response
Mitigated by 17
- M1018 attack-mitigation
- M1027 attack-mitigation
- M1032 attack-mitigation
- M1036 attack-mitigation
D3-AEMd3fendD3-ANAAd3fendD3-APCAd3fendD3-CAAd3fendD3-CSPPd3fendD3-NTCDd3fendD3-NTFd3fendD3-NTSAd3fendD3-OPMd3fendD3-PHDURAd3fendD3-PMADd3fendD3-RTSDd3fendD3-UGLPAd3fend
Detected by 1
- DET0460 attack-detection-strategy
Tested by 4
4852c630-87a9-409b-bb5e-5dc12c9ebcdeatomic4f08197a-2a8a-472d-9589-cd2895ef22adatomica790d50e-7ebf-48de-8daa-d9367e0911d4atomicd546a3d9-0be5-40c7-ad82-5a7d79e1b66batomic
Attack relationships
- Parent: Broken authentication (API)
- Parent: WPS PIN brute force
Framework references
- Primary source: https://cloud.google.com/blog/topics/threat-intelligence/unc5537-snowflake-data-theft-extortion
- attack: T1110.004 (primary)
Evidence & sources
- ev-0001 (Cyber Attack Taxonomy) — Name, definition and Example/ID taken verbatim from the 'Identity, authentication and credential attacks' table, line 317 of Cyber-Attack-Taxonomy.md
- ev-0002 (MITRE Enterprise ATT&CK v19.2 (STIX 2.1)) — ATT&CK usage prevalence: 3 groups/software/campaigns reference this technique (ATT&CK enterprise v19.2)