UDP Echo DDoS
small paper about how to use UDP echo servers as DDoS zombies 
INACTIVE ACCOUNT HIJACKING
first version of my 'INACTIVE ACCOUNT HIJACKING' tutorial 
INACTIVE ACCOUNT HIJACKING
hakin9 magazine 3/2009 
TRYING TO MAKE YOUR BINARY SHUTUP
hide the purpose of your binary. written in 2006 i think. 
networkprogramming [de]
networkprogramming [en]
my very oldschool text about networkprogramming on linux systems 
VAX/VMS Guide [de]
very oldschool too :)