Effective Threat Investigation For Soc Analysts Pdf đ
Map observed behaviors directly to the MITRE ATT&CK matrix to predict the attacker's next moves. Observed Tactic Common Technique Investigation Pivot PowerShell Abuse Review command-line arguments for encoded strings ( -enc ). Persistence Scheduled Tasks Inspect C:\Windows\System32\Tasks and event ID 4698. Credential Access LSASS Dumping Check for unauthorized reads on lsass.exe process memory. Lateral Movement Remote Desktop (RDP) Correlate Event ID 4624 (Type 10 logon) across the subnet. Lateral Movement Tracking
Relying on standard frameworks ensures investigations are structured, repeatable, and thorough. The Cyber Kill Chain (Lockheed Martin)
For a Security Operations Center (SOC) analyst, the average day is a war against entropy. Hundreds of thousands of log lines, dozens of SIEM alerts, and a cacophony of false positives compete for attention. In this environment, "investigation" often degrades into "triage"âacknowledging an alert, checking VirusTotal, and closing the ticket. effective threat investigation for soc analysts pdf
Is this a true positive? Check for false positives based on known benign activity.
Modern SOC incident response playbooks are structured around real-world detection sources, MITRE ATT&CK mappings, tools involved, and clearly defined response phases: preparation, detection and analysis, containment, eradication, recovery, and lessons learned. Map observed behaviors directly to the MITRE ATT&CK
An effective PDF playbook should contain:
A practical guide on critical logs to monitor explains that SOC analysts must have practical techniques at their disposal, such as SIEM queries, log correlation methods, anomaly detection approaches, and real-world use cases â including detecting lateral movement, privilege escalation, and data exfiltration. Credential Access LSASS Dumping Check for unauthorized reads
: Use initial telemetry to confirm if the activity is genuinely malicious or expected administrative behavior.
Emerging AI SOC platforms are changing the investigation landscape by enabling full forensic investigation across every alert, continuously improving detection based on real outcomes, and allowing human experts to focus on incidents that truly require judgment. Agentic AI can build adaptive investigation workflows from live data, mapping every field and correlation path.