Temporary MS DNS Rule
This is a temporary sig till we have more information. I’d recommend running it only on your Internet facing sensors. Discussion is very useful at the first reference link.
### EXPERIMENTAL ###
alert tcp $EXTERNAL_NET any -> $HOME_NET 1024:65535 (msg:”BLEEDING-EDGE CURRENT EVENTS MS DNS DCE-RPC Temporary Rule - Possible Attack”; flow:established; content:”|a4 c2 ab 50 4d 57 b3 40 9d 66 ee 4f d5 fb a0 76|”; classtype:attempted-admin; reference:url,erratasec.blogspot.com/2007/04/news-from-microsoft-dns-0day-being.html; reference:url,isc.sans.org/diary.html?storyid=2627; sid:2003587; rev:3;)
Please report and falses asap.
Matt