Network

DNS (Domain Name System) DNS plays a crucial role in the initial reconnaissance (footprinting) phase of a security assessment. It provides valuable information about a target organization’s network infrastructure. Whois The whois command reveals information about domain registration and ownership. Understanding the regional distribution of DNS management organizations is helpful. Registrar Region ARIN North America APNIC Asia Pacific LACNIC Southern and Central America and Caribbean RIPE NCC Europe, the Middle East and Central Asia AfriNIC Africa DNS Commands nslookup This is the primary DNS query tool available on Windows systems. Useful options include: ...

Idle Scan is an advanced TCP port scanning technique. In this method, an attacker uses a “zombie” computer (a machine in an idle state) to perform port scanning on target systems. 🎯 Basic Concepts Idle Scan is based on three important facts: TCP Port State Verification Open port → Responds with SYN/ACK packet Closed port → Responds with RST packet Unsolicited Packet Response Unsolicited SYN/ACK → Responds with RST Unsolicited RST → Ignored IP ID Characteristics ...