Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Windows nbtstat -a Microsoft Windows DOS prompt command exit OUTBOUND"; flow:established,to_server; content:"NetBIOS Remote Machine Name Table"; fast_pattern; content:"Name"; distance:0; content:"Type"; content:"Status"; distance:0; classtype:trojan-activity; sid:2020954; rev:2; metadata:created_at 2015_04_21, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)