In this article, we are telling you about what is Metadata Extraction, you must have heard about Metadata Extraction at some point of time, here we are telling you about this in detail.
Like what is Metadata Extraction, what is Metadata, why do we need to do Metadata Extraction, you will get answers to all questions here, here we are telling you all this practically
Metadata Extraction is a part of website information gathering, when you extract information from a website, then you may read the need to do all this, so you must know about it.
Note – This article is only for educational purpose. Don’t miss use your knowledge and skills.
Metadata Extraction ?
Before going about Metadata Extraction, you should know that what is Metadata, let us understand Metadata with an easy example, which you will be able to understand Metadata easily. There are three types of metadata: Operational, Extraction & Transformation and End user metadata.
Books must have been lying in your book at some point or the other, if you have to find a chapter, then you can easily find the chapter with the help of index, just like in the same data warehouse, if we have to find something, then we can find with the help of Metadata.
Data warehouse means where all types of data of a website are stored, in simple language, metadata can also be called index of data warehouse. Extracting metadata from a data warehouse is called metadata extraction, like we use it to extract PDF files, doc files from a website.
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Metadata extraction tool ?
Let us now tell you about the metadata extraction tool, you will find many tools with the help of which you can extract metadata, here we are telling you about a tool as well as with the help of Google dorks you can do this.
Here the name of the tool we are telling you about is metagoofil, you have to install it first as you can see in the image, (sudo apt-get install metagoofil) if it is not installed then you can clone this metadata extraction tool from GitHub and use it.
https://github.com/opsdisk/metagoofil
You can see by checking the help of metagoofil, you will get all the instructions to use metagoofil here, if you want, you can also use the foca tool instead, to use the foca tool, you must install sql server.
As you can see in the image, in this way you can extract metadata from any website like here we have extracted pdf files, you can also extract doc files excel files images. Like we have given pdf in the format here, you have to doc in the same format.
All the extracted files will be shown to you in this way, we do this work in website information gathering because many times we also get sensitive information of your target by doing Metadata Extraction.
Like we have told here using metagoofil, similarly you can do this work using google dorks as you can see in the image, we have also told you about this in footprinting.
Email tracing and website footprinting
If you have not read our footprinting article, then you can read it as well, in the same way, you can extract the docs file, in the same way, different types of files can be extracted by changing the format.
Extract metadata from pdf ?
Let us now do Metadata Extraction, now its information also has to be extracted, for that you can use exiftool, similarly you can also use exif tool and jhead.exe tool.
First of all, you have to install this tool in such a way that this tool lets you remove the information of any pdf files or doc files, all this is also used in Computer Hacking Forensics Investigation.
After installing this tool, you can use it in such a way as you can see in the image, similarly you can use the exif tool, you can also change this metadata if you want.
Similarly, you can use exiftool in windows as well, you have to simple download and run it through cmd as you can see in the image, in this way you can remove metadata of images also.
The Conclusion
We hope that you must have come to know about Metadata Extraction, here we have told you everything about Metadata Extraction, if you have any kind of question, you can ask in the comment.
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