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FREE WIFI

Locate the SSID of a wireless hotspot given its BSSID: B4:5D:50:AA:86:41.

Tools Used

WiGLE.net

Overview

Given a BSSID address B4:5D:50:AA:86:41, we need to lookup the corresponding SSID to construct the flag in the format STG{ssid}.

Reconnaissance

BSSIDs are unique hardware addresses representing wireless access points. Databases like wigle.net map SSIDs, BSSIDs, and geographic coordinates globally.

Exploitation Strategy

By creating an account on wigle.net and executing a BSSID search for B4:5D:50:AA:86:41, we locate the network name (SSID) as UnileverWiFi.

Solution Code

1. Log into wigle.net
2. Search -> Advanced Search -> BSSID: B4:5D:50:AA:86:41
3. Retrieve SSID: UnileverWiFi
4. Format flag: STG{UnileverWiFi}

Flag

STG{UnileverWiFi}