DNINT Techniques

Contents

DNINT Techniques#

The tradecraft applied to DNINT sources with the operator’s kit. Each technique is a repeatable procedure that turns raw data into intelligence.

Technique

Description

Host discovery

Identify live hosts in a target range.

Port scanning

Enumerate open services.

Service banner grabbing

Pull version strings for vulnerability matching.

OS fingerprinting

Stack signatures, TTL, window size.

Subdomain enumeration

DNS brute, CT logs, scraping, passive sources.

ASN / prefix analysis

Identify target ownership at the network layer.

Passive monitoring

Watch the target’s externally visible footprint over time.

Traffic analysis

Flow records, NetFlow, IPFIX; pattern of life.

References#