Sludge3000
The unknown crooks behind the infamous Conficker worm may be quietly selling off parts of the huge botnet established by the malware, but virus fighters have no way of knowing because the cryptographic defences of its command and control network have proved uncrackable.
Conficker (aka Downadup) first appeared in November 2008, originally using a recently patched vulnerability in Windows Server Service to infect insecure systems. Later its ability to spread through network shares and to hop over onto PCs from infected USB sticks became its primary spreading mechanism.
Story @ The Register
Maybe this is the proof the guys at MIT are after for the algorithms strength. You can read up on their page on MD6 Here
