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Tuesday, February 27, 2018
Veil Framework (III): Evasion -> AES (encryption) -> Msfvenom
ANTIVIRUS EVASION /Veil Framework (III): Evasion -> AES (encryption) -> Msfvenom
- Layout for this exercise:
- The goal of this exercise is to achieve a reasonable good rate of Anti Virus evasion using the Veil Framework with Evasion, AES (encryption) and Msfvenom
1 - Veil-Evasion with AES and Msfvenom
- Launching the program:
- Listing the available tools:
- Using Evasion:
- Listing Evasion payloads:
- Let's take the payload number 29, what injects an AES Python script:
- Generating the payload:
- Using MSFVenom:
- Entering a name test2.exe:
- Using Pyinstaller:
- The Veil files are created and stored in these folders:
2 - Setting up a Metasploit handler session on Kali Linux
- Using the newly created test2.rc as a reference file, Msfconsole opens a handler session:
3 - Running the .exe file on the victim Windows 10
- Establishing a simple web server on Kali Linux:
- Accesing test2.exe and downloading it to Windows 10:
- Running test2.exe:
- A successful Meterpreter session is created:
4 - Checking the Anti Virus evasion rate
- Checking test2.exe against Virus total, a rate of 60.3% evasion success is achieved:
- Checking test2.exe against No Distribute, a rate of 67.5% evasion success is achieved:
- Clearly, the use of encryption to generate the payload improves the success rate of Anti Virus evasion.