Steghide
It is used to embed and extract secret messages in images. It supports all the general formats of images like .png, .jpg etc.
Installation¶
$ sudo apt install steghide
Usage¶
To embed a secret message into an image
$ steghide embed -cf image.jpg -ef secret_message.txt
Enter passphrase : ********
Re-Enter passphrase : ********
embedding "secret_message.txt" in "image.jpg"... done
To extract the secret message from the image
$ steghide extract -sf image.jpg
Enter passphrase : ********
wrote extracted data to "secret_message.txt".
$ steghide --help
Some of such websites are:
1. HashKiller
2. MD5Decrypt
References¶
For more information about the tool,
$ man steghide