You can easily create a hidden file on the ISO file burning disc.

Many genuine discs contain many hidden directories or files. It would be amazing to create your own hidden files when you burn a CD. What are you waiting for? Come with me!

I. Principles

The ISO 9660 record specifies that each directory and file of the CD image file has a certain format, specification, and record. The folder tag is recorded in 26th bytes. The principle of hiding a CD is to modify the 26th-byte location of the ISO file so that the file generated by the CD does exist, but the special effect of the file and directory is not visible.

Ii. Operations

Here, we need software for CD-based recording, such as Nero, and ASCII character editing software that can edit binary code, such as UltraEdit32.

First, create an ISO image file for the CD. Note that the property of the created ISO image file is ISO 9660, because if the JOLIET format is used, it is only valid in DOS or Windows 3.1, but is exposed in Windows 9x.

Then, use UltraEdit32 to modify the ISO file. If you want to hide the "Hide2" directory in this file, use UltraEdit32 to open the image file you just created, and click "Search> Search" in the drop-down menu to find Hide2, check the "Find ASCII characters" check box. After the Hide2 directory is located, the sector of the directory is displayed in the editing window and displayed in a blue color block.

Note that there are more than one directory tag item in the image file. You can use the shortcut key "F3" to find the correct sector twice. This is where you want to modify it. At this time, the hexadecimal code marked by the color block should be the first 8 bits, and the 8th bits should be changed to 04. Save the code and exit. At this point, the directory tag item is modified.

The last step is to burn the CD. Well, I don't need to talk about it. The rest will let us all enjoy the results together.