Clear it in 3 steps
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Start the environment
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Investigate the target
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Submit the flag
Analyze Chrome history database and Cookie file to retrieve session information for a specific site. Learn browser forensics. Provided files: Cookies (SQLite), History
Cookies is Chrome's SQLite DB; inspect the cookies table with sqlite3
Among many decoy cookies, find the session cookie for the sensitive host (admin.kinoco.internal)
An exact host_key match isolates the one cookie whose value holds the flag