Question: Task 1: Hiding Files Using NTFS Streams 1. Start Windows 7 VM. 2. Create a folder called YourName on the c: drive 3. From the
Task 1: Hiding Files Using NTFS Streams
1. Start Windows 7 VM.
2. Create a folder called YourName on the c:\ drive
3. From the start menu, Open command prompt and navigate to c:\YourName by typing the following command in the command prompt:
cd c:\YourName
4. Type the below command in the command prompt and press enter
notepad readme.txt
5. readme.txt appears in Notepad (click the Yes button if prompted to create a new readme.txt file)
6. Type Hello World!
7. Save and close the file
8. Note down the file size of the readme.txt by typing dir in the command prompt.
- File size: _________
9. Now hide calc.exe inside the readme.txt by typing the following command in the command prompt:
type C:\Windows\System32\calc.exe>readme.txt:calc.exe
10. Type dir in command prompt and note down the file size of readme.txt.
- Did the size of readme.txt change?
11. Type dir /r in command prompt and note the file size of readme.txt again
- What are the results of this command?
- Provide a screenshot.
12. Download Stream Detector from https://www.novirusthanks.org/products/stream-detector/ and install it. Use it to extract the hidden file.
13. Start Stream Detector and click on Browse.
14. Select C:/YourName and click Ok then click on Scan button. Note the results under Stream Name, Content Type, and Size.
- Provide a screenshot of your results.
15. Right click on the Stream name then click on Extract Stream from the drop-down menu. This will save the stream onto Stream Detector\Extracts folder.
16. Close the Stream Detector.
- What is NTFS? Explain what does it stand for?
- What is ADS ? Explain what does it stand for?
- Discuss how ADS can be used maliciously?
- Discuss another alternative parameter/method for hiding files.
17. Now, hide a text file (secret.txt write inside it this is my first evil file) inside another text file (readme1.txt). Provide all steps in details then extract the hidden screen and provide a screenshot for the extracted hidden stream.
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