alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET MALWARE Bandook v1.2 Get Processes"; flowbits:isset,BE.Bandook1.2; flow:established,to_server; dsize:8; content:"|99 9b 86 8a 85 80 9a 9d|"; reference:url,www.nuclearwintercrew.com; reference:url,research.sunbelt-software.com/threatdisplay.aspx?name=Bandook&threatid=40408; classtype:trojan-activity; sid:2003550; rev:5; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)