r00tw0rm hacker "th3breacher!" release Rootdabitch v0.1 ,which is a Multithreaded Linux/UNIX tool to brute-force cracking local root through su using sucrack.
sucrack is a multithreaded Linux/UNIX tool for brute-force cracking local user accounts via su. The main feature of the Rootdabitch is that It's local brute forcer, using 10 passwords in 3 seconds. and works in background so you can leave it , when root is cracked it will email the user using /bin/mail .
All for this, you need to have a php shell/reverse shell/ssh access to the target to run thistool and run it as a normal user, Upload this script into it and give it the execution permission and execute the script like: