Bookmarklet

• Description: Why search for the flag when I can make a bookmarklet to print it for me?
• Difficulty: Easy

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🔎 Solution

Upon accessing the website, a snippet of JavaScript code is provided.

javascript:(function() {
    var encryptedFlag = "àÒÆަȬë٣֖ÓÚåÛÑ¢ÕӖәǡ”¥Ìí";
    var key = "picoctf";
    var decryptedFlag = "";
    for (var i = 0; i < encryptedFlag.length; i++) {
        decryptedFlag += String.fromCharCode((encryptedFlag.charCodeAt(i) - key.charCodeAt(i % key.length) + 256) % 256);
    }
    alert(decryptedFlag);
})();

By executing this script, the flag is revealed.

🚩Flag

picoCTF{p@g3_turn3r_0c0d211f}