If You Haven’t Shored Up That Citrix Hole, You Were Probably Hacked Over The Weekend: Exploit Code
People's honey pots are being actively attacked, so if you haven't put in place the mitigations, and you have vulnerable systems facing the internet, you were probably hacked over the weekend by miscreants mass-scanning the 'net for machines to compromise. A thread tracking technical aspects of the vulnerability is here.
If you haven’t shored up that Citrix hole, you were probably hacked over the weekend: Exploit code