Can't download the binaries - looks like your HTTP port is firewalled:

$ wget http://www.gat3way.eu/poc/hashkill-0.2.4-x86.tgz
--2011-07-03 14:09:41--  http://www.gat3way.eu/poc/hashkill-0.2.4-x86.tgz
Resolving www.gat3way.eu... 78.90.217.9
Connecting to www.gat3way.eu|78.90.217.9|:80... failed: No route to host.

$ ping www.gat3way.eu
PING www.gat3way.eu (78.90.217.9) 56(84) bytes of data.
64 bytes from 78.90.217.9: icmp_seq=1 ttl=47 time=155 ms
64 bytes from 78.90.217.9: icmp_seq=2 ttl=47 time=155 ms
64 bytes from 78.90.217.9: icmp_seq=3 ttl=47 time=155 ms
64 bytes from 78.90.217.9: icmp_seq=4 ttl=47 time=155 ms

--- www.gat3way.eu ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2999ms
rtt min/avg/max/mdev = 155.017/155.276/155.580/0.243 ms