HotSpot Detective — Advanced Tools and Techniques for Network Sleuthing
Overview
HotSpot Detective is a practical guide (and workflow) for identifying, analyzing, and remediating Wi‑Fi and wireless-network threats and misconfigurations in public and managed environments. It focuses on passive and active discovery, device- and packet-level analysis, locating rogue/unauthorized access points, assessing client risk, and hardening networks against common attacks.
Key tools covered
- Wi‑Fi scanners & survey tools: Ekahau, NetSpot, AirMagnet — for heatmaps, coverage gaps, SSID/roaming issues.
- Packet capture & analysis: Wireshark, tcpdump, Tshark — capture 802.11 frames, inspect EAP/802.1X handshakes, decode management/data frames.
- Wireless adapters & drivers: Alfa, Pineapple-compatible NICs, USB adapters in monitor mode — for active scanning and injection.
- Spectrum analyzers: Metageek Chanalyzer, Wi‑Spy, RF Explorer — detect RF interference, non‑Wi‑Fi noise sources, co‑channel issues.
- Rogue/AP detection appliances: Kismet, Aircrack-ng suite, OpenWIPS-ng — identify hidden SSIDs, evil twins, and replay attacks.
- Location & tracking: Wi‑Fi triangulation tools, Ekahau Sidekick, passive sniffing with directional antennas for physical localization.
- Authentication & policy testing: FreeRADIUS, hostapd, EAP testing tools, 802.1X test clients.
- Endpoint & client analysis: Mobile device logs, Fing, Nmap, and MDM/endpoint tools to detect vulnerable or misconfigured clients.
Core techniques
- Passive discovery first: Capture beacon, probe, and association frames to map SSIDs, BSSIDs, channels, and client associations without transmitting.
- Correlate spectrum + packet data: Use spectrum analysis to confirm whether packet losses are due to interference or congested channels.
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