skills/mukul975/anthropic-cybersecurity-skills/analyzing-dns-logs-for-exfiltration/Gen Agent Trust Hub
analyzing-dns-logs-for-exfiltration
Pass
Audited by Gen Agent Trust Hub on Apr 7, 2026
Risk Level: SAFEEXTERNAL_DOWNLOADS
Full Analysis
- [SAFE]: The skill is a legitimate toolset for SOC operations, providing methodologies to detect DNS tunneling and DGA domains. The Python script and SIEM queries follow standard security practices for log analysis.
- [EXTERNAL_DOWNLOADS]: The documentation references official API endpoints for VirusTotal, Cisco Umbrella, and Farsight DNSDB. These are well-known security services used for domain reputation checks and are documented neutrally with appropriate authentication placeholders.
- [PROMPT_INJECTION]: The skill has an indirect ingestion surface via the DNS logs processed in
scripts/agent.py. Ingestion points include theparse_zeek_dns_logfunction which reads log files from the local filesystem. While boundary markers are absent in the TSV parsing logic, the skill's capabilities are restricted to calculating statistics, calculating entropy, and printing to the console. It lacks network write or command execution capabilities, ensuring that any malicious content in the logs cannot be used to perform dangerous actions.
Audit Metadata