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Mod 10 · Les 2/5
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Module 10•Lesson 2 of 5•⏱️ 15 min read•Beginner+40 XP

Detection Notes

Map wireless lab actions to defender signals — WIDS, RADIUS, AP logs on $LAB.

Detection Notes
00:00/02:24

Visual · t15_detection_notes

Every lab action has a blue-team mirror. Original Cyberlium.

Red literacy without blue signals is incomplete.

Handshake labs → deauth detection and PMF. Rogue twin concepts → WIDS duplicate SSID alerts. Bluetooth pairing → MDM pairing logs. AP hardening → config drift alerts. Document signals for YOUR $LAB exercises — build defender vocabulary, not evasion recipes for production or neighbors.

1. Wi-Fi signals

Deauth/disassoc floods, duplicate SSID/BSSID pairs, auth failure spikes.

PMF blocks unsigned management frames on supported clients.

Command guide

Try these commands — Wi-Fi signals

═══ TOOLS & WEBSITES ═══ Browse / read these (authorized learning only — stay in YOUR lab / program scope)

Wireless IDS concepts — https://www.wi-fi.org/discover-wi-fi/security Wireshark tutorials — https://www.wireshark.org/docs/wsug_html_chunked/

═══ INSTALL ═══

Linux (Debian/Ubuntu):

Command — copy this

sudo apt install tcpdump

macOS: Built-in

Windows: Use Wireshark or install via WSL

═══ LINUX / macOS ═══

Command — copy this

sudo tcpdump -i any -c 10 -n 2>/dev/null | tee /tmp/cyberlium-wifi-sample.log | head -5 || tcpdump -i any -c 5 -n 2>/dev/null | head -5
grep -cE 'IP|802.11|ARP' /tmp/cyberlium-wifi-sample.log 2>/dev/null || echo 'Write detection notes from YOUR lab capture'

Primary tools to practice this lesson: tcpdump, grep. Reference sites: Wireless IDS concepts (https://www.wi-fi.org/discover-wi-fi/security); Wireshark tutorials (https://www.wireshark.org/docs/wsug_html_chunked/). Run every command in the box — install first, then the usage lines — only on YOUR lab / program scope.

2. Enterprise signals

RADIUS reject bursts, cert mismatch events, NAC quarantine.

802.1X same user from multiple BSSIDs.

3. Bluetooth signals

Unexpected pairing, unknown BD_ADDR on corporate laptop.

BLE beacon anomalies in authorized venues — inventory, not exploit.

4. What you ship: wireless detection matrix

Three lab action types → defender signal mapping.

5. What you record before the next lesson

Detection matrix path.

6. Wrong vs right: stranger SSIDs vs YOUR lab AP

Worked failure — same MSF word, opposite target. Right never needs a café Wi-Fi or classmate laptop.

  • Wrong: Document signals only to evade WIDS on public nets.
  • Right: Detection matrix for $LAB. Next: lab bring-up.
Hands-on Exercise

Mission: detection matrix

1) Map handshake lab to one signal. 2) Map rogue concept to one signal. 3) Map Bluetooth lab to one signal.

Pro Tip

Stuck? Ask Cyberlium AI Mentor

Ask Mentor: “Example WIDS rogue rule?”

Practice QuizQuestion 1
Multiple choice
Q1

APPLY: Deauth floods trigger:

Practice QuizQuestion 2
True or False
Q2

APPLY: True or False: Blue signals matter in this topic.

Practice QuizQuestion 3
Multiple choice
Q3

APPLY: Duplicate SSID alerts belong to:

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