Build a systematic threat hunt hypothesis framework that transforms threat intelligence, attack patterns, and environmental data into testable hunting hypotheses.
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---
name: building-threat-hunt-hypothesis-framework
description: Build a systematic threat hunt hypothesis framework that transforms threat intelligence, attack patterns, and environmental data into testable hunting hypotheses.
tags:
- methodology
- hunting-framework
- threat-hunting
- threat-intelligence
- hypothesis
- fetih
- cybersecurity
- siber-güvenlik
- proactive-detection
triggers:
- alert
- anomali tespit
- building
- endpoint
- framework
- hunt
- hunting
- hypothesis
- incident
- log
- network
- tehdit ara
category: threat-hunting
source_subdomain: threat-hunting
nist_csf:
- DE.CM-01
- DE.AE-02
- DE.AE-07
- ID.RA-05
adapted_for: fetih
---
# Building Threat Hunt Hypothesis Framework
## Ne Zaman Kullanılır
- Proaktif olarak şu göstergeleri ararken: building threat hunt hypothesis framework in the environment
- threat intelligence sonrasında indicates active campaigns using these techniques
- incident response sırasında to scope compromise related to these techniques
- EDR veya SIEM alarmları ilgili göstergeleri tetiklediğinde
- Periyodik güvenlik değerlendirmeleri ve purple team egzersizleri sırasında
## Ön Gereksinimler
- EDR platform with process and network telemetry (CrowdStrike, MDE, SentinelOne)
- SIEM with relevant log data ingested (Splunk, Elastic, Sentinel)
- Sysmon Dağıtılmış with comprehensive configuration
- Windows Security Event Log forwarding enabled
- Threat intelligence feeds for IOC correlation
## İş Akışı
1. **Formulate Hypothesis**: Define a testable hypothesis based on threat intelligence or ATT&CK gap analysis.
2. **Identify Data Sources**: Belirle: which logs and telemetry are needed to validate or refute the hypothesis.
3. **Execute Queries**: Run Tespit queries against SIEM and EDR platforms to collect relevant events.
4. **Analyze Results**: İncele: query results for anomalies, correlating across multiple data sources.
5. **Validate Bul:ings**: Distinguish true positives from false positives through contextual analysis.
6. **Correlate Activity**: Link Bul:ings to broader attack chains and threat actor TTPs.
7. **Document and Report**: Record Bul:ings, update Tespit rules, and recommend response actions.
## Key Concepts
| Concept | Description |
|---------|-------------|
| TA0001 | Initial Access |
| TA0003 | Persistence |
| TA0008 | Lateral Movement |
| TA0010 | Exfiltration |
## Tools & Systems
| Tool | Purpose |
|------|---------|
| CrowdStrike Falcon | EDR telemetry and threat Tespit |
| Microsoft Defender for Endpoint | Advanced hunting with KQL |
| Splunk Enterprise | SIEM log analysis with SPL queries |
| Elastic Security | Tespit rules and investigation timeline |
| Sysmon | Detailed Windows event monitoring |
| Velociraptor | Endpoint artifact collection and hunting |
| Sigma Rules | Cross-platform Tespit rule format |
## Common Scenarios
1. **Scenario 1**: Intelligence-driven hunt based on APT campaign report
2. **Scenario 2**: ATT&CK coverage gap analysis driving hypothesis creation
3. **Scenario 3**: Anomaly-driven hypothesis from UEBA alert investigation
4. **Scenario 4**: Situational awareness hunt based on industry sector threats
## Output Format
```
Hunt ID: TH-BUILDI-[DATE]-[SEQ]
Technique: TA0001
Host: [Hostname]
User: [Account context]
Evidence: [Log entries, process trees, network data]
Risk Level: [Critical/High/Medium/Low]
Confidence: [High/Medium/Low]
Recommended Action: [Containment, investigation, monitoring]
```
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