alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET MALWARE [eSentire] Win32/Spy.Banker CnC Command (DOWNLOAD)"; flow:from_server,established; dsize:11; content:"DOWNLOAD1|0d 0a|"; depth:11; reference:md5,f45991556122b07d501fa995bd4e74a7; classtype:command-and-control; sid:2025651; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_07_11, deployment Perimeter, malware_family Banking_Trojan, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19;)