alert tcp $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET HUNTING Windows nbtstat -r Microsoft Windows DOS prompt command exit OUTBOUND";
flow:established,to_server;
content:"NetBIOS Names Resolution and Registration Statistics"; fast_pattern;
content:"Name"; distance:0;
content:"Type"; distance:0;
content:"Status"; distance:0;
classtype:trojan-activity;
sid:2020956; rev:2;
metadata:created_at 2015_04_21, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)