SYN flood
Spoofed TCP SYNs leave half-open connections that exhaust the backlog
categoryNetwork and infrastructure attacksseverityMediumdetectabilityLowlabnot yet measured
Classification
24 values: 10 reviewed, 10 imported, 4 derived. What do these mean?
Exploitability
| Attack vector | Network attacks |
|---|---|
| Reach (CVSS) | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Attacker skill required | Low |
| Resources required | Medium |
| Likelihood / prevalence | Medium |
| Maturity | Commoditized |
Impact & scope
| Severity | Medium |
|---|---|
| Impact | Availability |
| Platform | LinuxmacOSWindows |
| Environment | CloudOn-premises |
| Target asset class | Network deviceServer |
| Kill-chain phase (tactic) | Impact |
Detection & telemetry
| Detectability | Low |
|---|---|
| Data sources (ATT&CK data components) | Host StatusNetwork Traffic ContentNetwork Traffic FlowProcess Creation |
Detection & response
Mitigated by 1
- M1037 attack-mitigation
Detected by 2
- DET0356 attack-detection-strategy
f14719ce-d3ab-4e25-9ce6-2899092260b0sigma
Attack relationships
- Parent: DoS / DDoS
- Parent: LAND attack
- Parent: Phantom domain
Framework references
- Primary source: https://www.cloudflare.com/learning/ddos/syn-flood-ddos-attack/
- attack: T1499.001 (primary)
Evidence & sources
- ev-0001 (Cyber Attack Taxonomy) — Name, definition and Example/ID taken verbatim from the 'Network and infrastructure attacks' table, line 128 of Cyber-Attack-Taxonomy.md