By Nihad Ahmad Hassan
In the electronic international, the necessity to guard on-line communications raise because the know-how at the back of it evolves. there are various innovations at the moment on hand to encrypt and safe our verbal exchange channels. information hiding options can take facts confidentiality to a brand new point as we will be able to disguise our mystery messages in traditional, honest-looking facts documents.
Steganography is the technology of hiding info. It has numerous categorizations, and every sort has its personal options in hiding. Steganography has performed a necessary function in mystery communique in the course of wars because the sunrise of historical past. In fresh days, few laptop clients effectively be able to make the most their home windows® laptop to hide their deepest facts.
Businesses even have deep issues approximately misusing information hiding options. Many employers are surprised at how simply their worthwhile details can get out in their corporation partitions. in lots of felony instances a disgruntled worker could effectively thieve corporation inner most information regardless of all safety features carried out utilizing basic electronic hiding concepts.
Human correct activists who dwell in nations managed by means of oppressive regimes want how one can smuggle their on-line communications with no attracting surveillance tracking platforms, constantly experiment in/out web site visitors for fascinating key words and different artifacts. an identical applies to newshounds and whistleblowers around the globe.
Computer forensic investigators, legislations enforcements officials, intelligence prone and IT safeguard pros desire a advisor to inform them the place criminals can disguise their facts in home windows® OS & multimedia documents and the way they could detect hid info quick and retrieve it in a forensic method.
Data Hiding concepts in home windows OS is a reaction to some of these matters. information hiding themes tend to be approached in such a lot books utilizing an instructional technique, with lengthy math equations approximately how every one hiding method set of rules works at the back of the scene, and tend to be exact at those that paintings within the educational arenas. This publication teaches professionals and finish clients alike how they could conceal their info and observe the hidden ones utilizing quite a few methods below the main generic working process on the earth, Windows®.
This is your hands-on advisor to appreciate, observe and use today’s most well liked ideas in hiding and exploring hidden information lower than home windows® machines, masking all home windows® types from XP until eventually home windows® 10. beginning with the Roman Emperor, Julius Caesar, and his basic cipher technique to the surveillance courses deployed via NSA, to watch verbal exchange and on-line site visitors, this booklet will train you every thing you want to recognize to guard your electronic facts utilizing steganographic & anonymity cryptographic thoughts. Written in an easy kind and requiring merely uncomplicated wisdom of major home windows® services, thoughts are awarded in the way to simply enforce them without delay in your desktop.
- A short background of steganography considering early inception to provide day
- Simple easy methods to disguise your facts with out utilizing any 3rd celebration instruments, and other ways to enquire and discover hidden data
- Exploiting multimedia documents to hide facts utilizing textual content, photograph, video and audio steganography
- Exploiting home windows® NTFS dossier procedure to conceal your mystery data
- A good selection of encryption concepts to guard your personal facts and securing your on-line communications
- Using cryptographic anonymity instruments to hide your identification online
- Explaining how hidden info should be used to plant a malware and release subtle assaults opposed to laptop systems
- Methods to crack steganography and cryptography
- A bankruptcy devoted to anti-forensic options, detailing easy methods to hide info while utilizing a home windows® machine
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Within the electronic global, the necessity to guard on-line communications bring up because the know-how at the back of it evolves. there are various recommendations at the moment on hand to encrypt and safe our communique channels. information hiding strategies can take facts confidentiality to a brand new point as we will be able to conceal our mystery messages in usual, honest-looking facts documents.
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Extra resources for Data Hiding Techniques in Windows OS. A Practical Approach to Investigation and Defense
The steganograpic text has three spaces after the termination period (see Fig. 2); two spaces represent the binary number 1 and the second space represents the binary number 0 of our secret text. The advantage of this method is that it cannot be noticed by a document reader. The same technique can be used between words in the text. We insert a single space between words to represent the binary number 0 and two consecutive spaces to represent the binary number 1 of the secret message. For example, if we want to conceal the hex letter A (binary value 1010) in the text, Nihad is writing a book, we need to adjust the spaces between words as shown in Fig.
We will put our newly created RTF document inside it and then zip its contents as shown in Fig. 13. Now, select an image and place it in the directory where the zip file is stored. Any picture will do the job; we usually use JPG and PNG image types. Use the copy command in DOS, combined with the /b option, for the purpose of handling the file as a binary file. 11 Accessing Windows® built-in utility for file compression. 12 Create a new RTF document that contains a hidden message. rtf) inside SecretFolder and compress it (Fig.
Here we’re using a free zipping software called 7zip . Insert the file(s) you want to hide inside the unzipped container. We can add these files to any folder or subfolder of the container. mp3. We will store both files under the word/media folder. MS Word® usually stores all document images and audio files in this location (see Fig. 9). 7 Error message generated by MS Word® application stating a problem with its contents after inserting an image inside its word/media folder. 8 MS Word® application gives an option to correct the damaged file by removing unknown parts from it.
Data Hiding Techniques in Windows OS. A Practical Approach to Investigation and Defense by Nihad Ahmad Hassan