Individual skill

analyzing-network-traffic-for-incidents

Analyzes network traffic captures and flow data to identify adversary activity during security incidents, including command-and-control communications, lateral movement, data exfiltration, and exploitation attempts. Uses Wireshark, Zeek, and NetFlow analysis techniques. Activates for requests involving network traffic analysis, packet capture investigation, PCAP analysis, network forensics, C2 traffic detection, or exfiltration detection.

internal/tools/skills/data/incident-response/analyzing-network-traffic-for-incidents/SKILL.md

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Nov 7, 2026
License
Apache-2.0

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# Analyzing Network Traffic for Incidents

## When to Use

- SIEM alerts on anomalous network traffic patterns requiring deeper investigation
- C2 beaconing is suspected and needs confirmation through packet-level analysis
- Data exfiltration volume or destination must be quantified from network evidence
- Lateral movement between systems needs to be traced through network connections
- An IDS/IPS alert requires packet-level validation to confirm or dismiss

**Do not use** for host-based forensic analysis (process execution, file system artifacts); use endpoint forensics tools instead.

## Detection Gaps & Validation