+Active DNS

Active DNS

"Domain Name: Active DNS" data component captures queried DNS registry data that highlights current domain-to-IP address resolutions. This data includes both direct queries to DNS servers and records that provide mappings between domain names and associated IP addresses. It serves as a critical resource for tracking active infrastructure and understanding the network footprint of an organization or adversary. Examples: - DNS Query Example: `nslookup example.com`, `dig example.com A` - PTR Record Example: `dig -x 192.168.1.1` - Tracking Malicious Domains: DNS logs reveal repeated queries to suspicious domains like malicious-site.com. The IPs resolved by these domains may be indicators of compromise (IOCs). - DNS Record Types - A/AAAA Record: Maps domain names to IP addresses (IPv4/IPv6). - CNAME Record: Canonical name records, often used for redirects. - MX Record: Mail exchange records, used to route emails. - TXT Record: Can include security information like SPF or DKIM policies. - SOA Record: Start of authority record for domain management. - NS Record: Lists authoritative name servers for the domain. This data component can be collected through the following measures: - System Utilities: Use built-in tools like `nslookup`, `dig`, or host on Linux, macOS, and Windows to perform active DNS queries. - DNS Logging - Windows DNS Server: Enable DNS Analytical Logging to capture DNS queries and responses. - Bind DNS: Enable query logging in the named.conf file. - Cloud Provider DNS Logging - AWS Route 53: Enable query logging through CloudWatch or S3: - Google Cloud DNS: Enable logging for Cloud DNS queries through Google Cloud Logging. - Network Traffic Monitoring: Use tools like Wireshark or Zeek to analyze DNS queries within network traffic. - Security Information and Event Management (SIEM) Integration: Aggregate DNS logs in a SIEM like Splunk to create alerts and monitor patterns. - Public OSINT Tools: Use OSINT platforms like VirusTotal, or PassiveTotal to collect information on domains and their associated IP addresses.

1. Overview

1.1 References

1.2 Identified Requirements

1.3 Related Regulations

2. Identified Requirements

Requirements

3. Related Regulations

Regulations

Linked Issues

Issuelinks
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