Effective Threat Investigation For Soc Analysts Pdf -

: Focus your deepest technical skills on high-impact systems like domain controllers and executive devices. The Investigative Funnel

: Use Cisco Talos, AbuseIPDB, or AlienVault OTX to check for known malicious hosting history.

: Extract MD5, SHA-1, or SHA-256 hashes of executed binaries. Run these hashes against internal whitelists and external malware repositories. 4. Phase 3: Strategic Pivoting and Scope Expansion effective threat investigation for soc analysts pdf

: Check if the system owner ran a scheduled script or performed maintenance during the alert window.

MITRE ATT&CK categorizes real-world adversary behaviors into specific tactics and techniques. : Focus your deepest technical skills on high-impact

Connecting these four vertices allows analysts to understand the broader context of an intrusion rather than focusing solely on a single piece of malware. 3. The SOC Analyst’s Investigative Toolkit

A successful investigation follows a repeatable six-stage pipeline: Run these hashes against internal whitelists and external

such as VirusTotal, AbuseIPDB, and X‑Force are essential for investigating suspicious artifacts. Analysts will become very familiar with using these tools to search file hashes or IPs against known malicious activity.

To stay ahead in threat investigation, pursue relevant certifications and engage in continuous learning:

| Artifact | What to look for | |----------|------------------| | Process tree | Parent-child relationships (e.g., powershell.exe launched from winword.exe ) | | Network connections | Beaconing intervals, known C2 domains, ports (445, 3389, 443 unusual) | | File system | Temp folder executable drops, renamed svchost.exe , unusual extensions (.js, .vba) | | Registry / persistence | Run keys, scheduled tasks, WMI event subscriptions |