Land rapid7#7750, module docs for chromecast_wifi

Author: wvu

documentation/modules/auxiliary/scanner/http/chromecast_wifi.md

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+This module is scanner which enumerates wifi access points visible from a Google Chromecast via its HTTP interface (default port 8080).  Any wifi access point the Chromecast is associated with or can be associated with is marked with an `(*)`.
+
+## Verification Steps
+
+1. Do: ```use auxiliary/scanner/http/chromecast_wifi```
+2. Do: ```set RHOSTS [IP]```
+3. Do: ```run```
+
+## Sample Output
+
+Of note, all 3 of the devices are the 1st generation Google Chromecast (USB stick looking, not circular)
+
+```
+msf > use auxiliary/scanner/http/chromecast_wifi 
+msf auxiliary(chromecast_wifi) > set rhosts 10.10.10.0/24
+rhosts => 10.10.10.0/24
+msf auxiliary(chromecast_wifi) > set threads 20
+threads => 20
+msf auxiliary(chromecast_wifi) > set verbose true
+verbose => true
+msf auxiliary(chromecast_wifi) > run
+
+Wireless Access Points from 10.10.10.11
+========================================
+
+BSSID              PWR  ENC   CIPHER  AUTH  ESSID
+-----              ---  ---   ------  ----  -----
+00:11:22:33:44:55  -59  WPA2  CCMP    PSK   Rapid7 (*)
+aa:11:22:33:44:66  -71  OPN                 xfinitywifi
+
+[*] Scanned  26 of 256 hosts (10% complete)
+[*] Scanned  53 of 256 hosts (20% complete)
+[*] Scanned  79 of 256 hosts (30% complete)
+[*] Scanned 105 of 256 hosts (41% complete)
+[*] Scanned 129 of 256 hosts (50% complete)
+[*] Scanned 154 of 256 hosts (60% complete)
+Wireless Access Points from 10.10.10.12
+=========================================
+
+BSSID              PWR  ENC   CIPHER  AUTH  ESSID
+-----              ---  ---   ------  ----  -----
+bb:aa:22:33:44:66  -94  WPA   TKIP    PSK   wifi
+bb:aa:cc:dd:44:66  -54  WPA2  CCMP    PSK   wifi2 (*)
+
+[*] Scanned 180 of 256 hosts (70% complete)
+Wireless Access Points from 10.10.10.16
+=========================================
+
+BSSID              PWR  ENC   CIPHER  AUTH  ESSID
+-----              ---  ---   ------  ----  -----
+bb:aa:cc:dd:44:66  -54  WPA2  CCMP    PSK   wifi2 (*)
+
+[*] Scanned 222 of 256 hosts (86% complete)
+Wireless Access Points from 10.10.10.23
+=========================================
+
+BSSID              PWR  ENC   CIPHER  AUTH  ESSID
+-----              ---  ---   ------  ----  -----
+bb:aa:cc:dd:44:66  -63  WPA2  CCMP    PSK   wifi2 (*)
+00:11:22:33:44:55  -85  WPA2  CCMP    PSK   Rapid7 (*)
+
+[*] Scanned 241 of 256 hosts (94% complete)
+[*] Scanned 256 of 256 hosts (100% complete)
+[*] Auxiliary module execution completed
+```