: Collecting immediate artifacts surrounding the involved assets and users.
A strong baseline forms the foundation for spotting suspicious activity.
TIPs aggregate external threat data to help analysts prioritize alerts based on real-world emerging threats. Popular platforms include VirusTotal, AbuseIPDB, and X-Force for investigating suspicious artifacts. effective threat investigation for soc analysts pdf
Once an alert passes triage, the real investigation begins. Start by asking structured questions:
Determine if the attacker moved from the initial weaponized host to other internal machines using protocols like RDP, SMB, or WinRM. The IP addresses, domains, or physical servers used
The IP addresses, domains, or physical servers used. Victim: The target organization, user, or asset.
By following the step-by-step methodology outlined in this guide—from establishing baselines and triaging alerts to conducting hypothesis-driven investigations and documenting findings—SOC analysts can dramatically improve their ability to detect, investigate, and respond to cyber threats. or exploitation of public-facing applications.
Flag administrative binaries executed by non-administrative service accounts or standard users. Network Traffic and Memory Analysis
The triage phase prevents alert fatigue by filtering out noise and confirming true security incidents. Step 1: Analyze the Alert Metadata
Valid accounts, spearphishing, or exploitation of public-facing applications.