Can somebody tell me what program can mess with pockets and enlarge them for Ping of death attack? (i need it for lab) Is there anywhere step-by-step instructions of this attack? I'm not a hacker (embedded systems), don't know where to look.
Generally, sending a 65.536-byte ping should do the trick. For what program it can do? Well a script, which you should write!
I'll hand you some tools:
Generally if you want to look for something, you should try using google. For instance googling for "ping of death example script" which should yield several examples in different languages.