Johannes Ullrich
Johannes Ullrich
Johannes Ullrich is the founder of DShield. DShield is now part of the SANS Internet Storm Center which he leads since it was created from Incidents.org and DShield back in 2001. In 2005, he was named one of the 50 most powerful people in Networking by Network World Magazine. He is the dean of research, and an instructor for the SANS Institute...
against attack average defend hard problem
The problem with this attack is that it is so hard to defend against for the average user.
assembly available both code difficult functions limits operating relying virus work worm
Writing a cross-platform worm is difficult because it limits you to functions that are available on both operating systems. You have to also code the virus in assembly to make it work without relying on any OS-specific function.
basically built doors
We've basically built doors now for 4,000 years and still have burglaries.
attempts aware blocks carefully checked exploit official patch percent sure tested worth
We carefully checked this patch and are 100 percent sure that it is not malicious. The patch is, of course, not as carefully tested as an official patch. But we feel it is worth the risk. We know it blocks all exploit attempts we are aware of.
based company convinced customers danger days early explorer given imminent internet issue microsoft patch patches prior production public release released require stated suspect within
We do suspect that Microsoft will still release an early patch given the imminent danger to its customers from this flaw. As stated by the company about two years ago, patches can be released within two days if needed. Based on prior public commitments, we do suspect that Microsoft will issue the patch early once they are convinced that customers require the use of Internet Explorer in production environments.
connected laptop
Typically, the infective vector is a laptop connected to unsecured networks,
allow bad compromise crash excel file hackers program trying word
What hackers are trying to find is, if they can make a bad Excel file or a bad Word file, does the program crash and allow them to compromise the system.
ask connect control network tries
will connect to a control server to ask for instructions. It scans network neighborhoods and tries to infect them, as well.
allow blocking display files normally programs windows
This should allow Windows programs to display WMF files normally while still blocking the exploit.
The story here is if you are hit, you do have other vulnerabilities than this problem.
dangerous exploit issue
The Snort issue is more dangerous because the exploit is really simple.
laptop systems
This laptop will infect your systems from the inside.