alert ftp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL.Orion Stealer Exfil via FTP"; flow:established,to_server; content:"STOR PC|3a 20|"; depth:9; content:"/Orion Logger - System Details|3a 20|"; distance:0; fast_pattern; reference:md5,007c4edc6e1ca963a9b2e05e136142f2; classtype:trojan-activity; sid:2026741; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_12_21, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)