If you haven’t patched your Linux systems lately (for instance Ubuntu 8.04/8.10), you might want to do so. HD Moore threw this out on Twitter.
There are seminal vuln-exploit instances that get used as easy attacks in testing, especially your personal labs. Years ago it was LSASS attacks. In recent months, MS06-087 is an easy route. For some Linux flavors, this should be one of the first scripts grabbed to pwn a box and move on.
Update after reading more: You need to be running SCTP on the target box. Yeah, I haven’t heard of SCTP either.