I did this while on holidays in Zakynthos ... BTW, it's my first try at JAPH and obfuscation. 
#!/usr/bin/perl                      
# Thomas Klausner - domm@zsi.at - http://domm.zsi.at - 2001-08-15 #   
+           
$$=917263787091;use Socket;$|=888;socket(K,PF_INET,SOCK_STREAM,6);$
j =q| just    |;$x=sockaddr_in(8888,INADDR_ANY);bind(K,$x)||die$!;$
a =q| another |;sub a{print T eval'$'.chr(34+shift)};print'telne';$
p =q| perl    |;listen(K,SOMAXCONN);$}="\n";print't to port 8888';$
h =q| hacker  |;while(accept(T,K)){$$=~s((\d\d))(a($1);a 91 )eg};$$

[download]
(to really see the action you will need to telnet to localhost port 8888)

In reply to my $japh='first'; by domm

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