Offensive and defensive world re master zone Mysterious WP

Check the shell first to help analyze

After reading the information, throw it into IDA32 static analysis

IDA32 static analysis

First shift+F12 to look at the string to see if there is any prompt information. I

found well done, so I boldly guessed that there is a flag near this code. We check the pseudo code.

There really is a flag. As long as v5 is solved, the flag
is the system. Function, Baidu, I found out its function,

so I got v5="123", spliced ​​to get flag